ID

VAR-201806-1505

CVE

CVE-2018-3665

TITLE

Intel Core Microprocessors Information Disclosure Vulnerability

DESCRIPTION

System software utilizing Lazy FP state restore technique on systems using Intel Core-based microprocessors may potentially allow a local process to infer data from another process through a speculative execution side channel. Intel Core-based microprocessors are Intel's Core series of central processing units (CPUs). An information disclosure vulnerability exists in Intel Core-based microprocessors. An attacker could exploit this vulnerability to obtain values about other processes stored in a number register. Enhancement(s): * The kernel-rt packages have been upgraded to version 3.10.0-693.35.1.rt56.623, which provides a number of bug fixes over the previous version. (BZ#1579972) Users of kernel-rt are advised to upgrade to these updated packages, which add this enhancement. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. Bugs fixed (https://bugzilla.redhat.com/): 1579972 - Update the kernel-rt sources with the latest 3.10 sources. ========================================================================== Ubuntu Security Notice USN-3698-2 July 02, 2018 linux-lts-trusty vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.04 ESM Summary: Several security issues were fixed in the Linux kernel. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. It was discovered that the nested KVM implementation in the Linux kernel in some situations did not properly prevent second level guests from reading and writing the hardware CR8 register. A local attacker in a guest could use this to cause a denial of service (system crash). (CVE-2017-12154) Fan Wu, Haoran Qiu, and Shixiong Zhao discovered that the associative array implementation in the Linux kernel sometimes did not properly handle adding a new entry. A local attacker could use this to cause a denial of service (system crash). (CVE-2017-12193) It was discovered that a race condition existed in the ALSA subsystem of the Linux kernel when creating and deleting a port via ioctl(). A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-15265) It was discovered that a null pointer dereference vulnerability existed in the DCCP protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2018-1130) Julian Stecklina and Thomas Prescher discovered that FPU register states (such as MMX, SSE, and AVX registers) which are lazily restored are potentially vulnerable to a side channel attack. A local attacker could use this to expose sensitive information. (CVE-2018-3665) Wang Qize discovered that an information disclosure vulnerability existed in the SMBus driver for ACPI Embedded Controllers in the Linux kernel. A local attacker could use this to expose sensitive information (kernel pointer addresses). (CVE-2018-5750) It was discovered that the SCTP Protocol implementation in the Linux kernel did not properly validate userspace provided payload lengths in some situations. A local attacker could use this to cause a denial of service (system crash). (CVE-2018-5803) It was discovered that an integer overflow error existed in the futex implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2018-6927) It was discovered that an information leak vulnerability existed in the floppy driver in the Linux kernel. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2018-7755) It was discovered that a memory leak existed in the SAS driver subsystem of the Linux kernel. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2018-7757) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 ESM: linux-image-3.13.0-153-generic 3.13.0-153.203~precise1 linux-image-3.13.0-153-generic-lpae 3.13.0-153.203~precise1 linux-image-generic-lpae-lts-trusty 3.13.0.153.143 linux-image-generic-lts-trusty 3.13.0.153.143 After a standard system update you need to reboot your computer to make all the necessary changes. ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual, linux-powerpc), a standard system upgrade will automatically perform this as well. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2018:2164-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2018:2164 Issue date: 2018-07-10 CVE Names: CVE-2018-3639 CVE-2018-3665 CVE-2018-10675 CVE-2018-10872 ==================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux Desktop (v. 6) - i386, noarch, x86_64 Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64 Red Hat Enterprise Linux HPC Node (v. 6) - noarch, x86_64 Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, noarch, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, noarch, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load & Store instructions (a commonly used performance optimization). It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory read from address to which a recent memory write has occurred may see an older value and subsequently cause an update into the microprocessor's data cache even for speculatively executed instructions that never actually commit (retire). As a result, an unprivileged attacker could use this flaw to read privileged memory by conducting targeted cache side-channel attacks. (CVE-2018-3639, x86 AMD) * kernel: Use-after-free vulnerability in mm/mempolicy.c:do_get_mempolicy function allows local denial of service or other unspecified impact (CVE-2018-10675) * Kernel: FPU state information leakage via lazy FPU restore (CVE-2018-3665) * kernel: error in exception handling leads to DoS (CVE-2018-8897 regression) (CVE-2018-10872) For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section. Red Hat would like to thank Ken Johnson (Microsoft Security Response Center) and Jann Horn (Google Project Zero) for reporting CVE-2018-3639 and Julian Stecklina (Amazon.de), Thomas Prescher (cyberus-technology.de), and Zdenek Sojka (sysgo.com) for reporting CVE-2018-3665. Bug Fix(es): * Previously, microcode updates on 32 and 64-bit AMD and Intel architectures were not synchronized. As a consequence, it was not possible to apply the microcode updates. This fix adds the synchronization to the microcode updates so that processors of the stated architectures receive updates at the same time. As a result, microcode updates are now synchronized. (BZ#1574592) 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 1566890 - CVE-2018-3639 hw: cpu: speculative store bypass 1575065 - CVE-2018-10675 kernel: Use-after-free vulnerability in mm/mempolicy.c:do_get_mempolicy function allows local denial-of-service or other unspecified impact 1585011 - CVE-2018-3665 Kernel: FPU state information leakage via lazy FPU restore 1596094 - CVE-2018-10872 kernel: error in exception handling leads to DoS (CVE-2018-8897 regression) 6. Package List: Red Hat Enterprise Linux Desktop (v. 6): Source: kernel-2.6.32-754.2.1.el6.src.rpm i386: kernel-2.6.32-754.2.1.el6.i686.rpm kernel-debug-2.6.32-754.2.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-754.2.1.el6.i686.rpm kernel-debug-devel-2.6.32-754.2.1.el6.i686.rpm kernel-debuginfo-2.6.32-754.2.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-754.2.1.el6.i686.rpm kernel-devel-2.6.32-754.2.1.el6.i686.rpm kernel-headers-2.6.32-754.2.1.el6.i686.rpm perf-2.6.32-754.2.1.el6.i686.rpm perf-debuginfo-2.6.32-754.2.1.el6.i686.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.i686.rpm noarch: kernel-abi-whitelists-2.6.32-754.2.1.el6.noarch.rpm kernel-doc-2.6.32-754.2.1.el6.noarch.rpm kernel-firmware-2.6.32-754.2.1.el6.noarch.rpm x86_64: kernel-2.6.32-754.2.1.el6.x86_64.rpm kernel-debug-2.6.32-754.2.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-754.2.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-754.2.1.el6.i686.rpm kernel-debug-devel-2.6.32-754.2.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-754.2.1.el6.i686.rpm kernel-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm kernel-debuginfo-common-i686-2.6.32-754.2.1.el6.i686.rpm kernel-debuginfo-common-x86_64-2.6.32-754.2.1.el6.x86_64.rpm kernel-devel-2.6.32-754.2.1.el6.x86_64.rpm kernel-headers-2.6.32-754.2.1.el6.x86_64.rpm perf-2.6.32-754.2.1.el6.x86_64.rpm perf-debuginfo-2.6.32-754.2.1.el6.i686.rpm perf-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.i686.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm Red Hat Enterprise Linux Desktop Optional (v. 6): i386: kernel-debug-debuginfo-2.6.32-754.2.1.el6.i686.rpm kernel-debuginfo-2.6.32-754.2.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-754.2.1.el6.i686.rpm perf-debuginfo-2.6.32-754.2.1.el6.i686.rpm python-perf-2.6.32-754.2.1.el6.i686.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.i686.rpm x86_64: kernel-debug-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-754.2.1.el6.x86_64.rpm perf-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm python-perf-2.6.32-754.2.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm Red Hat Enterprise Linux HPC Node (v. 6): Source: kernel-2.6.32-754.2.1.el6.src.rpm noarch: kernel-abi-whitelists-2.6.32-754.2.1.el6.noarch.rpm kernel-doc-2.6.32-754.2.1.el6.noarch.rpm kernel-firmware-2.6.32-754.2.1.el6.noarch.rpm x86_64: kernel-2.6.32-754.2.1.el6.x86_64.rpm kernel-debug-2.6.32-754.2.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-754.2.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-754.2.1.el6.i686.rpm kernel-debug-devel-2.6.32-754.2.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-754.2.1.el6.i686.rpm kernel-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm kernel-debuginfo-common-i686-2.6.32-754.2.1.el6.i686.rpm kernel-debuginfo-common-x86_64-2.6.32-754.2.1.el6.x86_64.rpm kernel-devel-2.6.32-754.2.1.el6.x86_64.rpm kernel-headers-2.6.32-754.2.1.el6.x86_64.rpm perf-2.6.32-754.2.1.el6.x86_64.rpm perf-debuginfo-2.6.32-754.2.1.el6.i686.rpm perf-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.i686.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm Red Hat Enterprise Linux HPC Node Optional (v. 6): x86_64: kernel-debug-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-754.2.1.el6.x86_64.rpm perf-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm python-perf-2.6.32-754.2.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm Red Hat Enterprise Linux Server (v. 6): Source: kernel-2.6.32-754.2.1.el6.src.rpm i386: kernel-2.6.32-754.2.1.el6.i686.rpm kernel-debug-2.6.32-754.2.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-754.2.1.el6.i686.rpm kernel-debug-devel-2.6.32-754.2.1.el6.i686.rpm kernel-debuginfo-2.6.32-754.2.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-754.2.1.el6.i686.rpm kernel-devel-2.6.32-754.2.1.el6.i686.rpm kernel-headers-2.6.32-754.2.1.el6.i686.rpm perf-2.6.32-754.2.1.el6.i686.rpm perf-debuginfo-2.6.32-754.2.1.el6.i686.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.i686.rpm noarch: kernel-abi-whitelists-2.6.32-754.2.1.el6.noarch.rpm kernel-doc-2.6.32-754.2.1.el6.noarch.rpm kernel-firmware-2.6.32-754.2.1.el6.noarch.rpm ppc64: kernel-2.6.32-754.2.1.el6.ppc64.rpm kernel-bootwrapper-2.6.32-754.2.1.el6.ppc64.rpm kernel-debug-2.6.32-754.2.1.el6.ppc64.rpm kernel-debug-debuginfo-2.6.32-754.2.1.el6.ppc64.rpm kernel-debug-devel-2.6.32-754.2.1.el6.ppc64.rpm kernel-debuginfo-2.6.32-754.2.1.el6.ppc64.rpm kernel-debuginfo-common-ppc64-2.6.32-754.2.1.el6.ppc64.rpm kernel-devel-2.6.32-754.2.1.el6.ppc64.rpm kernel-headers-2.6.32-754.2.1.el6.ppc64.rpm perf-2.6.32-754.2.1.el6.ppc64.rpm perf-debuginfo-2.6.32-754.2.1.el6.ppc64.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.ppc64.rpm s390x: kernel-2.6.32-754.2.1.el6.s390x.rpm kernel-debug-2.6.32-754.2.1.el6.s390x.rpm kernel-debug-debuginfo-2.6.32-754.2.1.el6.s390x.rpm kernel-debug-devel-2.6.32-754.2.1.el6.s390x.rpm kernel-debuginfo-2.6.32-754.2.1.el6.s390x.rpm kernel-debuginfo-common-s390x-2.6.32-754.2.1.el6.s390x.rpm kernel-devel-2.6.32-754.2.1.el6.s390x.rpm kernel-headers-2.6.32-754.2.1.el6.s390x.rpm kernel-kdump-2.6.32-754.2.1.el6.s390x.rpm kernel-kdump-debuginfo-2.6.32-754.2.1.el6.s390x.rpm kernel-kdump-devel-2.6.32-754.2.1.el6.s390x.rpm perf-2.6.32-754.2.1.el6.s390x.rpm perf-debuginfo-2.6.32-754.2.1.el6.s390x.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.s390x.rpm x86_64: kernel-2.6.32-754.2.1.el6.x86_64.rpm kernel-debug-2.6.32-754.2.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-754.2.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-754.2.1.el6.i686.rpm kernel-debug-devel-2.6.32-754.2.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-754.2.1.el6.i686.rpm kernel-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm kernel-debuginfo-common-i686-2.6.32-754.2.1.el6.i686.rpm kernel-debuginfo-common-x86_64-2.6.32-754.2.1.el6.x86_64.rpm kernel-devel-2.6.32-754.2.1.el6.x86_64.rpm kernel-headers-2.6.32-754.2.1.el6.x86_64.rpm perf-2.6.32-754.2.1.el6.x86_64.rpm perf-debuginfo-2.6.32-754.2.1.el6.i686.rpm perf-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.i686.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 6): i386: kernel-debug-debuginfo-2.6.32-754.2.1.el6.i686.rpm kernel-debuginfo-2.6.32-754.2.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-754.2.1.el6.i686.rpm perf-debuginfo-2.6.32-754.2.1.el6.i686.rpm python-perf-2.6.32-754.2.1.el6.i686.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.i686.rpm ppc64: kernel-debug-debuginfo-2.6.32-754.2.1.el6.ppc64.rpm kernel-debuginfo-2.6.32-754.2.1.el6.ppc64.rpm kernel-debuginfo-common-ppc64-2.6.32-754.2.1.el6.ppc64.rpm perf-debuginfo-2.6.32-754.2.1.el6.ppc64.rpm python-perf-2.6.32-754.2.1.el6.ppc64.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.ppc64.rpm s390x: kernel-debug-debuginfo-2.6.32-754.2.1.el6.s390x.rpm kernel-debuginfo-2.6.32-754.2.1.el6.s390x.rpm kernel-debuginfo-common-s390x-2.6.32-754.2.1.el6.s390x.rpm kernel-kdump-debuginfo-2.6.32-754.2.1.el6.s390x.rpm perf-debuginfo-2.6.32-754.2.1.el6.s390x.rpm python-perf-2.6.32-754.2.1.el6.s390x.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.s390x.rpm x86_64: kernel-debug-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-754.2.1.el6.x86_64.rpm perf-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm python-perf-2.6.32-754.2.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: kernel-2.6.32-754.2.1.el6.src.rpm i386: kernel-2.6.32-754.2.1.el6.i686.rpm kernel-debug-2.6.32-754.2.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-754.2.1.el6.i686.rpm kernel-debug-devel-2.6.32-754.2.1.el6.i686.rpm kernel-debuginfo-2.6.32-754.2.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-754.2.1.el6.i686.rpm kernel-devel-2.6.32-754.2.1.el6.i686.rpm kernel-headers-2.6.32-754.2.1.el6.i686.rpm perf-2.6.32-754.2.1.el6.i686.rpm perf-debuginfo-2.6.32-754.2.1.el6.i686.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.i686.rpm noarch: kernel-abi-whitelists-2.6.32-754.2.1.el6.noarch.rpm kernel-doc-2.6.32-754.2.1.el6.noarch.rpm kernel-firmware-2.6.32-754.2.1.el6.noarch.rpm x86_64: kernel-2.6.32-754.2.1.el6.x86_64.rpm kernel-debug-2.6.32-754.2.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-754.2.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-754.2.1.el6.i686.rpm kernel-debug-devel-2.6.32-754.2.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-754.2.1.el6.i686.rpm kernel-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm kernel-debuginfo-common-i686-2.6.32-754.2.1.el6.i686.rpm kernel-debuginfo-common-x86_64-2.6.32-754.2.1.el6.x86_64.rpm kernel-devel-2.6.32-754.2.1.el6.x86_64.rpm kernel-headers-2.6.32-754.2.1.el6.x86_64.rpm perf-2.6.32-754.2.1.el6.x86_64.rpm perf-debuginfo-2.6.32-754.2.1.el6.i686.rpm perf-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.i686.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 6): i386: kernel-debug-debuginfo-2.6.32-754.2.1.el6.i686.rpm kernel-debuginfo-2.6.32-754.2.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-754.2.1.el6.i686.rpm perf-debuginfo-2.6.32-754.2.1.el6.i686.rpm python-perf-2.6.32-754.2.1.el6.i686.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.i686.rpm x86_64: kernel-debug-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-754.2.1.el6.x86_64.rpm perf-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm python-perf-2.6.32-754.2.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-754.2.1.el6.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2018-3639 https://access.redhat.com/security/cve/CVE-2018-3665 https://access.redhat.com/security/cve/CVE-2018-10675 https://access.redhat.com/security/cve/CVE-2018-10872 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2018 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBW0TykdzjgjWX9erEAQj7nQ/8DBiN11jNNGxND1Io2xuiZ+/RqzFz4IXv VMTrhukotRz5vbQWziRcHl0DVUttBBbwzdoNUu4RH4rxHv0J0GTLYusgyWlyDJP8 D229CT7o6lK4RjPryXFsu/4YsIzu8Vz35KB8SpW6gUkXibANrCWDEHEqc9+6mQ6g VFe0wAu1Tw3PKre0zK+XL/uxkvjk8ZeDINe8WVUDloBOnxFMnZZjEcZsIO9JfjBr krlU1QTQcPeKsrv6gofNXBOeQn0JZS1BVDy0JiNoOihJqPPBLA5RkyZzWouy6FDt xVTN7BEuILTUszfcygXA17OdNUzJm/L6a4rFXno4+eN5u5Ucx46/abXhWhRzcwvV +7IuGNs83aTZufXNbWDtiGFkIyKE5NyX7U7SOoxz42AxesSxJ6SKJFD4iBu/0YrU h9BvuHkkVNu+NsYT6rajqwz5ytkEbCJAX7xvNnu7Wi18tWKEWklqAFYSqVnpopO2 8xSW2+OTSkAQ9uiGAz9aTLLca2Zi/I8kjAcNyv4tASUcvodNzUE/OuERC5hvOZ6X 6j/POh7W7xA3cAg216EEj4X12BIwArqt8hjZ6hO5cd7ZfnWof7BVEjLnqtyJjhzi Xap6Pf/NG4/iSO1kEFLo3Uw9sQVoPRU4Hg1KXJJy+XboBQ3/K9ctCU5qvTRApmmM OjBeir/Q654=I9wq -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce . 7) - noarch, x86_64 3. Description: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * A flaw was found in the implementation of the "fill buffer", a mechanism used by modern CPUs when a cache-miss is made on L1 CPU cache. If an attacker can generate a load operation that would create a page fault, the execution will continue speculatively with incorrect data from the fill buffer while the data is fetched from higher level caches. This response time can be measured to infer data in the fill buffer. (CVE-2018-12130) * Modern Intel microprocessors implement hardware-level micro-optimizations to improve the performance of writing data back to CPU caches. The write operation is split into STA (STore Address) and STD (STore Data) sub-operations. These sub-operations allow the processor to hand-off address generation logic into these sub-operations for optimized writes. Both of these sub-operations write to a shared distributed processor structure called the 'processor store buffer'. (CVE-2018-12126) * Microprocessors use a ‘load port’ subcomponent to perform load operations from memory or IO. During a load operation, the load port receives data from the memory or IO subsystem and then provides the data to the CPU registers and operations in the CPU’s pipelines. Stale load operations results are stored in the 'load port' table until overwritten by newer operations. Certain load-port operations triggered by an attacker can be used to reveal data about previous stale requests leaking data back to the attacker via a timing side-channel. Bug Fix(es): * rwsem in inconsistent state leading system to hung (BZ#1690321) * efi_bgrt_init fails to ioremap error during boot (BZ#1692284) 4. Bugs fixed (https://bugzilla.redhat.com/): 1391490 - CVE-2016-8633 kernel: Buffer overflow in firewire driver via crafted incoming packets 1402885 - CVE-2016-7913 kernel: media: use-after-free in [tuner-xc2028] media driver 1474928 - CVE-2017-11600 kernel: Out-of-bounds access via an XFRM_MSG_MIGRATE xfrm Netlink message 1495089 - CVE-2017-12190 kernel: memory leak when merging buffers in SCSI IO vectors 1517220 - CVE-2017-16939 Kernel: ipsec: xfrm: use-after-free leading to potential privilege escalation 1520328 - CVE-2017-1000407 Kernel: KVM: DoS via write flood to I/O port 0x80 1525474 - CVE-2017-17558 kernel: Unallocated memory access by malicious USB device via bNumInterfaces overflow 1535173 - CVE-2017-13215 kernel: crypto: privilege escalation in skcipher_recvmsg function 1552048 - CVE-2018-1068 kernel: Out-of-bounds write via userland offsets in ebt_entry struct in netfilter/ebtables.c 1585011 - CVE-2018-3665 Kernel: FPU state information leakage via lazy FPU restore 1641878 - CVE-2018-18559 kernel: Use-after-free due to race condition in AF_PACKET implementation 1646781 - CVE-2018-12126 hardware: Microarchitectural Store Buffer Data Sampling (MSBDS) 1646784 - CVE-2018-12130 hardware: Microarchitectural Fill Buffer Data Sampling (MFBDS) 1667782 - CVE-2018-12127 hardware: Micro-architectural Load Port Data Sampling - Information Leak (MLPDS) 1705312 - CVE-2019-11091 hardware: Microarchitectural Data Sampling Uncacheable Memory (MDSUM) 6. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-4232-1 security@debian.org https://www.debian.org/security/ Moritz Muehlenhoff June 20, 2018 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : xen CVE ID : CVE-2018-3665 This update provides mitigations for the "lazy FPU" vulnerability affecting a range of Intel CPUs, which could result in leaking CPU register states belonging to another vCPU previously scheduled on the same CPU. For additional information please refer to https://xenbits.xen.org/xsa/advisory-267.html For the stable distribution (stretch), this problem has been fixed in version 4.8.3+xsa267+shim4.10.1+xsa267-1+deb9u8. We recommend that you upgrade your xen packages. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2018-10-30-14 Additional information for APPLE-SA-2018-7-9-4 macOS High Sierra 10.13.6, Security Update 2018-004 Sierra, Security Update 2018-004 El Capitan macOS High Sierra 10.13.6, Security Update 2018-004 Sierra, and Security Update 2018-004 El Capitan address the following: AMD Available for: macOS High Sierra 10.13.5 Impact: A malicious application may be able to determine kernel memory layout Description: An information disclosure issue was addressed by removing the vulnerable code. CVE-2018-4289: shrek_wzw of Qihoo 360 Nirvan Team APFS Available for: macOS High Sierra 10.13.5 Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2018-4268: Mac working with Trend Micro's Zero Day Initiative ATS Available for: macOS High Sierra 10.13.5 Impact: A malicious application may be able to gain root privileges Description: A type confusion issue was addressed with improved memory handling. CVE-2018-4285: Mohamed Ghannam (@_simo36) Bluetooth Available for: MacBook Pro (15-inch, 2018), and MacBook Pro (13-inch, 2018, Four Thunderbolt 3 Ports) Other Mac models were addressed with macOS High Sierra 10.13.5. Impact: An attacker in a privileged network position may be able to intercept Bluetooth traffic Description: An input validation issue existed in Bluetooth. This issue was addressed with improved input validation. CVE-2018-5383: Lior Neumann and Eli Biham CFNetwork Available for: macOS High Sierra 10.13.5 Impact: Cookies may unexpectedly persist in Safari Description: A cookie management issue was addressed with improved checks. CVE-2018-4293: an anonymous researcher CoreCrypto Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.5 Impact: A malicious application may be able to break out of its sandbox Description: A memory corruption issue was addressed with improved input validation. CVE-2018-4269: Abraham Masri (@cheesecakeufo) CUPS Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.5 Impact: An attacker in a privileged position may be able to perform a denial of service attack Description: A null pointer dereference was addressed with improved validation. CVE-2018-4276: Jakub Jirasek of Secunia Research at Flexera Entry added October 30, 2018 DesktopServices Available for: macOS Sierra 10.12.6 Impact: A local user may be able to view sensitive user information Description: A permissions issue existed in which execute permission was incorrectly granted. This issue was addressed with improved permission validation. CVE-2018-4178: Arjen Hendrikse IOGraphics Available for: macOS High Sierra 10.13.5 Impact: A local user may be able to read kernel memory Description: An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. An information disclosure issue was addressed with FP/SIMD register state sanitization. CVE-2018-3665: Julian Stecklina of Amazon Germany, Thomas Prescher of Cyberus Technology GmbH (cyberus-technology.de), Zdenek Sojka of SYSGO AG (sysgo.com), and Colin Percival Kernel Available for: macOS High Sierra 10.13.5 Impact: Mounting a maliciously crafted NFS network share may lead to arbitrary code execution with system privileges Description: Multiple memory corruption issues were addressed with improved memory handling. CVE-2018-4259: Kevin Backhouse of Semmle and LGTM.com CVE-2018-4286: Kevin Backhouse of Semmle and LGTM.com CVE-2018-4287: Kevin Backhouse of Semmle and LGTM.com CVE-2018-4288: Kevin Backhouse of Semmle and LGTM.com CVE-2018-4291: Kevin Backhouse of Semmle and LGTM.com Entry added October 30, 2018 libxpc Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, macOS High Sierra 10.13.5 Impact: An application may be able to gain elevated privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2018-4280: Brandon Azad libxpc Available for: macOS High Sierra 10.13.5 Impact: A malicious application may be able to read restricted memory Description: An out-of-bounds read was addressed with improved input validation. CVE-2018-4248: Brandon Azad LinkPresentation Available for: macOS High Sierra 10.13.5 Impact: Visiting a malicious website may lead to address bar spoofing Description: A spoofing issue existed in the handling of URLs. This issue was addressed with improved input validation. CVE-2018-4277: xisigr of Tencent's Xuanwu Lab (tencent.com) Perl Available for: macOS High Sierra 10.13.5 Impact: Multiple buffer overflow issues existed in Perl Description: Multiple issues in Perl were addressed with improved memory handling. CVE-2018-6797: Brian Carpenter CVE-2018-6913: GwanYeong Kim Entry added October 30, 2018 Ruby Available for: macOS High Sierra 10.13.5 Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution Description: Multiple issues in Ruby were addressed in this update. CVE-2017-898 CVE-2017-10784 CVE-2017-14033 CVE-2017-14064 CVE-2017-17405 CVE-2017-17742 CVE-2018-6914 CVE-2018-8777 CVE-2018-8778 CVE-2018-8779 CVE-2018-8780 Entry added October 30, 2018 Additional recognition App Store We would like to acknowledge Jesse Endahl & Stevie Hryciw of Fleetsmith and and Max BA(c)langer of Dropbox for their assistance. Help Viewer We would like to acknowledge Wojciech ReguAa (@_r3ggi) of SecuRing for their assistance. Kernel We would like to acknowledge juwei lin (@panicaII) of Trend Micro working with Trend Micro's Zero Day Initiative for their assistance. Security We would like to acknowledge Brad Dahlsten of Iowa State University for their assistance. Installation note: macOS High Sierra 10.13.6, Security Update 2018-004 Sierra, and Security Update 2018-004 El Capitan may be obtained from the Mac App Store or Apple's Software Downloads web site: https://support.apple.com/downloads/ Information will also be posted to the Apple Security Updates web site: https://support.apple.com/kb/HT201222 This message is signed with Apple's Product Security PGP key, and details are available at: https://www.apple.com/support/security/pgp/ -----BEGIN PGP SIGNATURE----- iQJdBAEBCABHFiEEDNXJVNCJJEAVmJdZeC9tht7TK3EFAlvYkgUpHHByb2R1Y3Qt c2VjdXJpdHktbm9yZXBseUBsaXN0cy5hcHBsZS5jb20ACgkQeC9tht7TK3EgwhAA rut4Qepkh88tcd23FV/Fz6uEdqa2MDPRPhVs6rM5iM7912vhtVZHz1sDUpSwNFe+ Hfdx0qsZaxY1sKjqMejq5mpanjFWhCCWb7MxifGm1HTJRMibuTAW7zVwD51jsG7z GpQtZ8ASaW9NErn+3IPB0O//CCvAKR/qyqn+KyEhYw+xtz2j+dzneB6lpwFkiqG2 0Iz5DQ2Hwms/88byzoXLWljAApvgSeant1YAiShq9bvQ3iWSkLSoo1dEa9jhhGJV jKyc+XloM7AfAHl6sjR6t3Cgdmfpy7s4osx17tqa4B5CYUloBGcZ0SZrL6iJDDvV 5OTsXHCQ9NLwZrdAwIgfcVcs01Y8hVkpjhCmm2InGwREJUtpYefCQ/kIlDa1YOym 3ua/SEO5+UYSVspG45vTdRB6SNSzeWzcQvJohrXavSllttcGyNx9RxMSr9CGxNSE Vjmo30J8D2Oow2hMtK1PWXxI+t4UadO33rL1H2u8ivl9J1BI9sEL0linFTUpEnIS iIRYUdrr+ZduSsC21NBLhMOak61GWYQRSN+p3nbL7fDqZCFdBSwvye4q2MmZG1Op aDePXQWSPgzlXzfi2C6KiR+lSyZlgCwtwhPGlzDFH5MGxr5Tleov98GB4uml91lj PVSMCsvYvRarIh6enmy+SR/6X7gVgrpx4m/fdraBwTw= =e0YF -----END PGP SIGNATURE-----

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AFFECTED PRODUCTS