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ID

VAR-202107-0793


CVE

CVE-2021-36148


TITLE

ACRN  Buffer Overflow Vulnerability in Linux

Trust: 0.8

sources: JVNDB: JVNDB-2021-008890

DESCRIPTION

An issue was discovered in ACRN before 2.5. dmar_free_irte in hypervisor/arch/x86/vtd.c allows an irte_alloc_bitmap buffer overflow. ACRN Contains a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. ACRN is an open source project released by the Linux Foundation, which is a management program designed for the Internet of Things and embedded devices. No detailed vulnerability details are currently provided

Trust: 2.79

sources: NVD: CVE-2021-36148 // JVNDB: JVNDB-2021-008890 // CNVD: CNVD-2021-49153 // CNNVD: CNNVD-202107-183 // VULMON: CVE-2021-36148

IOT TAXONOMY

category:['IoT']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-49153

AFFECTED PRODUCTS

vendor:linuxmodel:acrnscope:ltversion:2.5

Trust: 1.6

vendor:linuxmodel:acrnscope:eqversion:2.5

Trust: 0.8

vendor:linuxmodel:acrnscope:eqversion: -

Trust: 0.8

sources: CNVD: CNVD-2021-49153 // JVNDB: JVNDB-2021-008890 // NVD: CVE-2021-36148

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-36148
value: HIGH

Trust: 1.0

NVD: CVE-2021-36148
value: HIGH

Trust: 0.8

CNVD: CNVD-2021-49153
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202107-183
value: HIGH

Trust: 0.6

VULMON: CVE-2021-36148
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-36148
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:M/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.6
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2021-49153
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:M/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.6
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-36148
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.8
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2021-36148
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2021-49153 // VULMON: CVE-2021-36148 // JVNDB: JVNDB-2021-008890 // CNNVD: CNNVD-202107-183 // NVD: CVE-2021-36148

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.0

problemtype:Classic buffer overflow (CWE-120) [NVD Evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-008890 // NVD: CVE-2021-36148

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202107-183

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202107-183

PATCH

title:Top Pageurl:https://github.com/projectacrn/acrn-hypervisor/commit/25c0e3817eb332660dd63d1d4522e63dcc94e79a

Trust: 0.8

title:Patch for ACRN buffer overflow vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/278186

Trust: 0.6

sources: CNVD: CNVD-2021-49153 // JVNDB: JVNDB-2021-008890

EXTERNAL IDS

db:NVDid:CVE-2021-36148

Trust: 3.9

db:JVNDBid:JVNDB-2021-008890

Trust: 0.8

db:CNVDid:CNVD-2021-49153

Trust: 0.6

db:CNNVDid:CNNVD-202107-183

Trust: 0.6

db:VULMONid:CVE-2021-36148

Trust: 0.1

sources: CNVD: CNVD-2021-49153 // VULMON: CVE-2021-36148 // JVNDB: JVNDB-2021-008890 // CNNVD: CNNVD-202107-183 // NVD: CVE-2021-36148

REFERENCES

url:https://nvd.nist.gov/vuln/detail/cve-2021-36148

Trust: 2.0

url:https://github.com/projectacrn/acrn-hypervisor/commit/25c0e3817eb332660dd63d1d4522e63dcc94e79a

Trust: 1.7

url:https://cwe.mitre.org/data/definitions/120.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2021-49153 // VULMON: CVE-2021-36148 // JVNDB: JVNDB-2021-008890 // CNNVD: CNNVD-202107-183 // NVD: CVE-2021-36148

SOURCES

db:CNVDid:CNVD-2021-49153
db:VULMONid:CVE-2021-36148
db:JVNDBid:JVNDB-2021-008890
db:CNNVDid:CNNVD-202107-183
db:NVDid:CVE-2021-36148

LAST UPDATE DATE

2024-08-14T14:31:41.181000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-49153date:2021-07-11T00:00:00
db:VULMONid:CVE-2021-36148date:2021-07-08T00:00:00
db:JVNDBid:JVNDB-2021-008890date:2022-03-31T04:45:00
db:CNNVDid:CNNVD-202107-183date:2021-07-09T00:00:00
db:NVDid:CVE-2021-36148date:2021-07-08T18:11:15.057

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-49153date:2021-07-11T00:00:00
db:VULMONid:CVE-2021-36148date:2021-07-02T00:00:00
db:JVNDBid:JVNDB-2021-008890date:2022-03-31T00:00:00
db:CNNVDid:CNNVD-202107-183date:2021-07-02T00:00:00
db:NVDid:CVE-2021-36148date:2021-07-02T22:15:08.987