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CVE-2021-0920

Severity
MEDIUM
CVSS
6.4
EPSS
0.00811
Risk score
50.88
CISA KEV
Yes
PoC
No
Published
2021-12-15
Modified
2025-10-21
First seen
2026-08-07
Aliases
EUVD-2021-3539, GHSA-R93F-J2VF-VMC4
Products
Android:Kernel, Google:Android Android kernel
Sources
euvd EUVD-2021-3539
cisa.gov CVE-2021-0920

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

References