Vulnerability Database

319,703

Total vulnerabilities in the database

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

  • Published: Dec 15, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-0920
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.4
  • AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.9
  • AV:L/AC:M/Au:N/C:C/I:C/A:C

CWEs:

Software From Fixed in
debian / debian_linux 9.0 9.0.x
linux / linux_kernel 5.14-rc1 5.14-rc1.x
linux / linux_kernel 5.14-rc2 5.14-rc2.x
linux / linux_kernel 5.14-rc3 5.14-rc3.x
linux / linux_kernel - 5.13.x