CVE-2021-0920

In unix_scm_to_skb of af_unix.c, there is a possible use after free bug due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-196926917References: Upstream kernel
Configurations

Configuration 1 (hide)

cpe:2.3:o:google:android:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

History

02 Feb 2024, 16:46

Type Values Removed Values Added
CWE CWE-416
References () https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html - Third Party Advisory () https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html - Mailing List, Third Party Advisory

12 Jul 2022, 17:42

Type Values Removed Values Added
CWE CWE-416

17 Dec 2021, 16:21

Type Values Removed Values Added
CWE CWE-362
CWE-416
CVSS v2 : unknown
v3 : unknown
v2 : 6.9
v3 : 6.4
CPE cpe:2.3:o:google:android:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
References (MISC) https://source.android.com/security/bulletin/2021-11-01 - (MISC) https://source.android.com/security/bulletin/2021-11-01 - Vendor Advisory
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html - (MLIST) https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html - Third Party Advisory

17 Dec 2021, 01:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html -

15 Dec 2021, 19:20

Type Values Removed Values Added
New CVE

Information

Published : 2021-12-15 19:15

Updated : 2024-02-02 16:46


NVD link : CVE-2021-0920

Mitre link : CVE-2021-0920

CVE.ORG link : CVE-2021-0920


JSON object : View

Products Affected

google

  • android

debian

  • debian_linux
CWE
CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-416

Use After Free