CVE-2021-0920: Android Kernel Race Condition Vulnerability
Medium · CVSS 6.4 (CVSS 3.1)KEV known exploitedEPSS 0.87%, 58th percentilePublished Updated Assigner: google_android
In CISA’s Known Exploited Vulnerabilities catalog: Android Kernel Race Condition Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply updates per vendor instructions.
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
Vector CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Android
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- lists.debian.org/debian-lts-announce/2021/12/msg00012.html (opens in new tab)
- source.android.com/security/bulletin/2021-11-01 (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)