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Red Hat: CVE-2021-0920: CVE-2021-0920 kernel: Use After Free in unix_gc() which could result in a local privilege escalation (Multiple Advisories)

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Red Hat: CVE-2021-0920: CVE-2021-0920 kernel: Use After Free in unix_gc() which could result in a local privilege escalation (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
12/15/2021
Created
02/24/2022
Added
02/23/2022
Modified
03/13/2024

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

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

References

  • CVE-2021-0920
  • RHSA-2022:0590
  • RHSA-2022:0592
  • RHSA-2022:0620
  • RHSA-2022:0622
  • RHSA-2022:0629
  • RHSA-2022:0636
  • RHSA-2022:0771
  • RHSA-2022:0772
  • RHSA-2022:0777
  • RHSA-2022:0819
  • RHSA-2022:0825
  • RHSA-2022:0849
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