CVE Database · CVE-2021-0920
CVSS v3.1
6.4
EPSS
0.81%
Published
Dec 15, 2021
Modified
Oct 23, 2025
CISA Known Exploited Vulnerability
Added: 2022-05-23 · Due: 2022-06-13
Apply updates per vendor instructions.
Public PoC / Exploit (1)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
Description
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
CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:HWeaknesses (CWE)
Affected Products (6)
References (5)