ID

VAR-201905-1248

CVE

CVE-2019-11091

TITLE

Multiple Intel Product Information Disclosure Vulnerabilities (CNVD-2019-22234)

DESCRIPTION

Microarchitectural Data Sampling Uncacheable Memory (MDSUM): Uncacheable memory on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here: https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf. Intel Xeon Scalable Processors and so on are products of Intel Corporation of the United States. Intel XeonScalable Processors is a scalable server central processing unit (CPU). IntelXeonProcessorE7v4Family is a XeonE7 series server central processing unit (CPU). IntelXeonProcessorE5v4Family is a XeonE5 series server central processing unit (CPU). An information disclosure vulnerability exists in several Intel products. The vulnerability stems from errors in the configuration of the network system or product during operation. An unauthorized attacker can exploit the vulnerability to obtain sensitive information about the affected component. The following products and versions are affected: Intel Xeon Scalable Processors; Xeon Processor E7 v4 Family; Xeon Processor E5 v4 Family; Xeon Processor E3 v6 Family; Xeon Processor E3 v4 Family; Xeon Processor E; Xeon E Processor; Xeon D Processor; Puma; Pentium Processor Silver Series; Pentium Processor N Series; Pentium Processor J Series; Pentium Gold Processor Series; Mobile Communications Platforms; Microcode; Core X series Processors; Celeron Processor N Series; Celeron Processor J Series; Celeron Processor G Series; Atom Processor X Series ;Atom Processor E3900 Series;Atom Processor E3800 Series;Atom Processor. The vulnerability is due to improper memory operations that could expose a side channel on the affected system. A successful exploit could be used to conduct further attacks. Proof-of-concept (PoC) code that demonstrates an exploit of this vulnerability is publicly available. A third-party patch is also available. ========================================================================== Ubuntu Security Notice USN-3980-1 May 14, 2019 linux, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-raspi2 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.10 Summary: Several security issues were fixed in the Linux kernel. Software Description: - linux: Linux kernel - linux-aws: Linux kernel for Amazon Web Services (AWS) systems - linux-azure: Linux kernel for Microsoft Azure Cloud systems - linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems - linux-kvm: Linux kernel for cloud environments - linux-raspi2: Linux kernel for Raspberry Pi 2 Details: Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Giorgi Maisuradze, Dan Horea Lutas, Andrei Lutas, Volodymyr Pikhur, Stephan van Schaik, Alyssa Milburn, Sebastian \xd6sterlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Moritz Lipp, Michael Schwarz, and Daniel Gruss discovered that memory previously stored in microarchitectural fill buffers of an Intel CPU core may be exposed to a malicious process that is executing on the same CPU core. (CVE-2018-12130) Brandon Falk, Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Stephan van Schaik, Alyssa Milburn, Sebastian \xd6sterlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, and Cristiano Giuffrida discovered that memory previously stored in microarchitectural load ports of an Intel CPU core may be exposed to a malicious process that is executing on the same CPU core. (CVE-2018-12127) Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Marina Minkin, Daniel Moghimi, Moritz Lipp, Michael Schwarz, Jo Van Bulck, Daniel Genkin, Daniel Gruss, Berk Sunar, Frank Piessens, and Yuval Yarom discovered that memory previously stored in microarchitectural store buffers of an Intel CPU core may be exposed to a malicious process that is executing on the same CPU core. (CVE-2018-12126) Vasily Averin and Evgenii Shatokhin discovered that a use-after-free vulnerability existed in the NFS41+ subsystem when multiple network namespaces are in use. A local attacker in a container could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-16884) Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Volodrmyr Pikhur, Moritz Lipp, Michael Schwarz, Daniel Gruss, Stephan van Schaik, Alyssa Milburn, Sebastian \xd6sterlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, and Cristiano Giuffrida discovered that uncacheable memory previously stored in microarchitectural buffers of an Intel CPU core may be exposed to a malicious process that is executing on the same CPU core. (CVE-2019-11091) Matteo Croce, Natale Vinto, and Andrea Spagnolo discovered that the cgroups subsystem of the Linux kernel did not properly account for SCTP socket buffers. A local attacker could use this to cause a denial of service (system crash). (CVE-2019-3874) Alex Williamson discovered that the vfio subsystem of the Linux kernel did not properly limit DMA mappings. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2019-3882) Marc Orr discovered that the KVM hypervisor implementation in the Linux kernel did not properly restrict APIC MSR register values when nested virtualization is used. An attacker in a guest vm could use this to cause a denial of service (host OS crash). (CVE-2019-3887) Hugues Anguelkov discovered that the Broadcom Wifi driver in the Linux kernel contained a head puffer overflow. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-9500) Hugues Anguelkov discovered that the Broadcom Wifi driver in the Linux kernel did not properly prevent remote firmware events from being processed for USB Wifi devices. A physically proximate attacker could use this to send firmware events to the device. (CVE-2019-9503) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10: linux-image-4.18.0-1011-gcp 4.18.0-1011.12 linux-image-4.18.0-1012-kvm 4.18.0-1012.12 linux-image-4.18.0-1014-raspi2 4.18.0-1014.16 linux-image-4.18.0-1016-aws 4.18.0-1016.18 linux-image-4.18.0-1018-azure 4.18.0-1018.18 linux-image-4.18.0-20-generic 4.18.0-20.21 linux-image-4.18.0-20-generic-lpae 4.18.0-20.21 linux-image-4.18.0-20-lowlatency 4.18.0-20.21 linux-image-4.18.0-20-snapdragon 4.18.0-20.21 linux-image-aws 4.18.0.1016.16 linux-image-azure 4.18.0.1018.19 linux-image-gcp 4.18.0.1011.11 linux-image-generic 4.18.0.20.21 linux-image-generic-lpae 4.18.0.20.21 linux-image-gke 4.18.0.1011.11 linux-image-kvm 4.18.0.1012.12 linux-image-lowlatency 4.18.0.20.21 linux-image-powerpc-e500mc 4.18.0.20.21 linux-image-powerpc-smp 4.18.0.20.21 linux-image-powerpc64-emb 4.18.0.20.21 linux-image-powerpc64-smp 4.18.0.20.21 linux-image-raspi2 4.18.0.1014.11 linux-image-snapdragon 4.18.0.20.21 linux-image-virtual 4.18.0.20.21 After a standard system update you need to reboot your computer to make all the necessary changes. Please note that fully mitigating the Microarchitectural Data Sampling (MDS) issues (CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, and CVE-2019-11091) requires corresponding processor microcode/firmware updates or, in virtual environments, hypervisor updates. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: qemu-kvm security update Advisory ID: RHSA-2019:1189-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:1189 Issue date: 2019-05-14 CVE Names: CVE-2018-12126 CVE-2018-12127 CVE-2018-12130 CVE-2019-11091 ===================================================================== 1. Summary: An update for qemu-kvm is now available for Red Hat Enterprise Linux 7.3 Advanced Update Support, Red Hat Enterprise Linux 7.3 Telco Extended Update Support, and Red Hat Enterprise Linux 7.3 Update Services for SAP Solutions. 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 Server AUS (v. 7.3) - x86_64 Red Hat Enterprise Linux Server E4S (v. 7.3) - ppc64le Red Hat Enterprise Linux Server TUS (v. 7.3) - x86_64 3. Description: Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. 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'. As a result, an unprivileged attacker could use this flaw to read private data resident within the CPU's 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. (CVE-2019-11091) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. 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 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 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. Package List: Red Hat Enterprise Linux Server AUS (v. 7.3): Source: qemu-kvm-1.5.3-126.el7_3.17.src.rpm x86_64: qemu-img-1.5.3-126.el7_3.17.x86_64.rpm qemu-kvm-1.5.3-126.el7_3.17.x86_64.rpm qemu-kvm-common-1.5.3-126.el7_3.17.x86_64.rpm qemu-kvm-debuginfo-1.5.3-126.el7_3.17.x86_64.rpm qemu-kvm-tools-1.5.3-126.el7_3.17.x86_64.rpm Red Hat Enterprise Linux Server E4S (v. 7.3): Source: qemu-kvm-1.5.3-126.el7_3.17.src.rpm ppc64le: qemu-img-1.5.3-126.el7_3.17.ppc64le.rpm qemu-kvm-debuginfo-1.5.3-126.el7_3.17.ppc64le.rpm Red Hat Enterprise Linux Server TUS (v. 7.3): Source: qemu-kvm-1.5.3-126.el7_3.17.src.rpm x86_64: qemu-img-1.5.3-126.el7_3.17.x86_64.rpm qemu-kvm-1.5.3-126.el7_3.17.x86_64.rpm qemu-kvm-common-1.5.3-126.el7_3.17.x86_64.rpm qemu-kvm-debuginfo-1.5.3-126.el7_3.17.x86_64.rpm qemu-kvm-tools-1.5.3-126.el7_3.17.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-2018-12126 https://access.redhat.com/security/cve/CVE-2018-12127 https://access.redhat.com/security/cve/CVE-2018-12130 https://access.redhat.com/security/cve/CVE-2019-11091 https://access.redhat.com/security/vulnerabilities/mds 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 2019 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXNspW9zjgjWX9erEAQgFYw/+JEvgiGEOwz6pVOM7dLQEjTputDgNNSJG xpXNpWXDCtXseZeE5O6Fz/4kl7MQXevJkPvR470io7YLCbd2Jmu02L9w8E54ZDUD g6Ds/UOIma9s/PZJVae2dG+SV/3mLHIbyqSa+VLtlhU+16UE4UY3kH2jsbo/YgVN ZfRMvOhLxIW/yUSMT9B1XQ8OCEq0KvHpIvUXncj03zuJ1lRnVJ8/AEYUT4tJEyOX nNkqIvivfL3R10rerzWllBzzv5VRM2ohqmNzUrPWSLPrBgK/4zyY/4YMdavLZoLv NGffrfRKoKUXGWUvEiEOxMp8Jg0CuUFvX8i8xGQjZw2h9pjrdgtqYZHvxkkkKNH5 g4wpQ6/JG1h7kjT/LLdfSDndcf0XCdFzcI/sOUgL/AuxmeEZ6exZTCXI4n88hBsl V6vP6TUVjNyOQc8yoTeyQLBVPwo9q3PhxJYAML22jZ+hhfTNR/cYNbvXSlEJNQFZ QwwDFaaPpWdaSxsD0QNxGWKm69FtcVtxB5pDoRiLfSargf8F6lAECHUE6YuymlcR kenfRY+lCEBKSJNnq6SJNHNqL3f5DGx1LetrLQD3SszkvPiqYfgEewDRqiOLgZCS m9LH0uX++NrnvBvIXRjkQh2zdvjonEPKypWVRxh6dI2OnnIkyUlsBSI1dMLXyr00 SLc+uQj+P7E= =8ah6 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce . These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks. This update provides additional support for some Sandybridge server and Core-X CPUs which were not covered in the original May microcode release. For a list of specific CPU models now supported please refer to the entries listed under CPUID 206D6 and 206D7 at https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf For the stable distribution (stretch), these problems have been fixed in version 3.20190618.1~deb9u1. For the detailed security status of intel-microcode please refer to its security tracker page at: https://security-tracker.debian.org/tracker/intel-microcode Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: debian-security-announce@lists.debian.org -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEtuYvPRKsOElcDakFEMKTtsN8TjYFAl0LKeoACgkQEMKTtsN8 TjZNtxAAi0dfmsv3xJXYXa/UIG7ayCCdywg7bfYUIFh7eaz5K9IUdq1RRea+qPsd BKzBaWDDGl6+YyZJibFD+JYjrxvHOEWtVrJPuoco2Z34nKkEJDieoFtQjjeZ61ik S9iT2zWnTQa+VixIdJuYBS9z1Rakf58SU/IpNKxZ33eaJ+isAe9KQLO0OyD/d9qN x56EQyAmSOx44IrzkHegIchFNaV2fvScoJ1kVg21FMKWi96P4GTU7jw2UWzNepVs 6yrXfTSaPWUbSg93D24i0FXVce9m35OP7SosdkIyDU5fRfHGxTPxDFnXa2PmY71j uBniE6oUe75Fh9tZpNCQoL9e08463pZjjETcTBxMKYF+Q9/3OwIeRfYCd39gLlsP H3GNW8bLzxrntWquRazthkvfkTP+H9QG7E3ibeR/YX7l2aS5p8e6fs2OP57g3NCI ZJPrhrPstYJ6NhESUVi2N/QAiaOj4pBsel8bvIKyanGvWcNkonM5FV4tjfXm0GHx ZfIiBANF5aLh/pAkd5uDzxyH5xKhM/F0FRlDyqHjb2BuyoG3B2GLe2lXgkIhAR20 JmbPk9S/d15GNC9ndr+XFOkU6+IDgC7glSf0PLuRli7db6u6US1Ch+cS4k5mTzWS 7/Run+QoeSzZjIBvF6aamMZfWxISOHyvV+5b/cWGbfX4wqyppHQ= =VGab -----END PGP SIGNATURE----- . (CVE-2019-11091) * kernel: Buffer overflow in firewire driver via crafted incoming packets (CVE-2016-8633) * kernel: crypto: privilege escalation in skcipher_recvmsg function (CVE-2017-13215) * Kernel: ipsec: xfrm: use-after-free leading to potential privilege escalation (CVE-2017-16939) * kernel: Out-of-bounds write via userland offsets in ebt_entry struct in netfilter/ebtables.c (CVE-2018-1068) * kernel: Use-after-free due to race condition in AF_PACKET implementation (CVE-2018-18559) * kernel: media: use-after-free in [tuner-xc2028] media driver (CVE-2016-7913) * kernel: Out-of-bounds access via an XFRM_MSG_MIGRATE xfrm Netlink message (CVE-2017-11600) * kernel: memory leak when merging buffers in SCSI IO vectors (CVE-2017-12190) * kernel: Unallocated memory access by malicious USB device via bNumInterfaces overflow (CVE-2017-17558) * Kernel: FPU state information leakage via lazy FPU restore (CVE-2018-3665) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Bug Fix(es): * update the MRG 2.5.z 3.10 kernel-rt sources (BZ#1692711) 4. Software Description: - intel-microcode: Processor microcode for Intel CPUs Details: USN-3977-1 provided mitigations for Microarchitectural Data Sampling (MDS) vulnerabilities in Intel Microcode for a large number of Intel processor families. This update provides the corresponding updated microcode mitigations for Intel Cherry Trail and Bay Trail processor families. (CVE-2019-11091) 4. 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

IOT TAXONOMY

AFFECTED PRODUCTS

CVSS

PROBLEMTYPE DATA

THREAT TYPE

local

TYPE

information disclosure

PATCH

EXTERNAL IDS

REFERENCES

CREDITS

Red Hat

SOURCES

LAST UPDATE DATE

2024-09-18T23:10:42.774000+00:00

SOURCES UPDATE DATE

SOURCES RELEASE DATE