CVE-2021-0920

MediumCVSS 6.4/10Known exploited (CISA KEV)Last modified Jun 17, 2026

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

Metrics

CVSS 3.1 6.4/10CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-362CWE-416

Affected software

VendorProductVersions
n/aAndroidAndroid kernel

References

Timeline

Published
Dec 15, 2021
Last modified
Jun 17, 2026
Added to CISA KEV
May 23, 2022
NVD status
Analyzed

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CVE-2021-0920: Medium severity, CVSS 6.4 | Vulnix