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ID

VAR-202107-0791


CVE

CVE-2021-36146


TITLE

ACRN  In  NULL  Pointer dereference vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-008904

DESCRIPTION

ACRN before 2.5 has a devicemodel/hw/pci/xhci.c NULL Pointer Dereference for a trb pointer. 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-2021-36146 // JVNDB: JVNDB-2021-008904 // CNVD: CNVD-2021-49151 // CNNVD: CNNVD-202107-184 // VULMON: CVE-2021-36146

IOT TAXONOMY

category:['IoT']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-49151

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-2021-49151 // JVNDB: JVNDB-2021-008904 // NVD: CVE-2021-36146

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-36146
value: HIGH

Trust: 1.0

NVD: CVE-2021-36146
value: HIGH

Trust: 0.8

CNVD: CNVD-2021-49151
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202107-184
value: HIGH

Trust: 0.6

VULMON: CVE-2021-36146
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-36146
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2021-49151
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-36146
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 3.6
version: 3.1

Trust: 1.0

NVD: CVE-2021-36146
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2021-49151 // VULMON: CVE-2021-36146 // JVNDB: JVNDB-2021-008904 // CNNVD: CNNVD-202107-184 // NVD: CVE-2021-36146

PROBLEMTYPE DATA

problemtype:CWE-476

Trust: 1.0

problemtype:NULL Pointer dereference (CWE-476) [NVD Evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-008904 // NVD: CVE-2021-36146

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202107-184

TYPE

code problem

Trust: 0.6

sources: CNNVD: CNNVD-202107-184

PATCH

title:Check trb pointer before use it #6173 Linuxurl:https://github.com/projectacrn/acrn-hypervisor/pull/6173/commits/330359921e2e4c2f3f3a10b5bab86942d63c4428

Trust: 0.8

title:Patch for ACRN null pointer dereference vulnerability (CNVD-2021-49151)url:https://www.cnvd.org.cn/patchInfo/show/278196

Trust: 0.6

sources: CNVD: CNVD-2021-49151 // JVNDB: JVNDB-2021-008904

EXTERNAL IDS

db:NVDid:CVE-2021-36146

Trust: 3.9

db:JVNDBid:JVNDB-2021-008904

Trust: 0.8

db:CNVDid:CNVD-2021-49151

Trust: 0.6

db:CNNVDid:CNNVD-202107-184

Trust: 0.6

db:VULMONid:CVE-2021-36146

Trust: 0.1

sources: CNVD: CNVD-2021-49151 // VULMON: CVE-2021-36146 // JVNDB: JVNDB-2021-008904 // CNNVD: CNNVD-202107-184 // NVD: CVE-2021-36146

REFERENCES

url:https://github.com/projectacrn/acrn-hypervisor/pull/6173/commits/330359921e2e4c2f3f3a10b5bab86942d63c4428

Trust: 1.7

url:https://nvd.nist.gov/vuln/detail/cve-2021-36146

Trust: 1.4

url:https://cwe.mitre.org/data/definitions/476.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2021-49151 // VULMON: CVE-2021-36146 // JVNDB: JVNDB-2021-008904 // CNNVD: CNNVD-202107-184 // NVD: CVE-2021-36146

SOURCES

db:CNVDid:CNVD-2021-49151
db:VULMONid:CVE-2021-36146
db:JVNDBid:JVNDB-2021-008904
db:CNNVDid:CNNVD-202107-184
db:NVDid:CVE-2021-36146

LAST UPDATE DATE

2024-08-14T14:31:41.210000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-49151date:2021-07-11T00:00:00
db:VULMONid:CVE-2021-36146date:2021-07-08T00:00:00
db:JVNDBid:JVNDB-2021-008904date:2022-03-31T04:46:00
db:CNNVDid:CNNVD-202107-184date:2021-07-09T00:00:00
db:NVDid:CVE-2021-36146date:2021-07-08T18:12:01.757

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-49151date:2021-07-11T00:00:00
db:VULMONid:CVE-2021-36146date:2021-07-02T00:00:00
db:JVNDBid:JVNDB-2021-008904date:2022-03-31T00:00:00
db:CNNVDid:CNNVD-202107-184date:2021-07-02T00:00:00
db:NVDid:CVE-2021-36146date:2021-07-02T22:15:08.927