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Ubuntu: USN-5361-1 (CVE-2021-0920): Linux kernel vulnerabilities

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Ubuntu: USN-5361-1 (CVE-2021-0920): Linux kernel vulnerabilities

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
12/15/2021
Created
04/05/2022
Added
04/01/2022
Modified
03/22/2023

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)

  • ubuntu-upgrade-linux-image-4-4-0-1103-aws
  • ubuntu-upgrade-linux-image-4-4-0-1104-kvm
  • ubuntu-upgrade-linux-image-4-4-0-1139-aws
  • ubuntu-upgrade-linux-image-4-4-0-223-generic
  • ubuntu-upgrade-linux-image-4-4-0-223-lowlatency
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-lts-xenial
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-lts-xenial
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-lts-xenial

References

  • https://attackerkb.com/topics/cve-2021-0920
  • CVE - 2021-0920
  • CVE-2021-0920
  • USN-4525-1
  • USN-4526-1
  • USN-4948-1
  • USN-4979-1
  • USN-4982-1
  • USN-4984-1
  • USN-4997-1
  • USN-4997-2
  • USN-4999-1
  • USN-5000-1
  • USN-5000-2
  • USN-5001-1
  • USN-5092-1
  • USN-5092-2
  • USN-5096-1
  • USN-5113-1
  • USN-5114-1
  • USN-5115-1
  • USN-5116-1
  • USN-5116-2
  • USN-5163-1
  • USN-5164-1
  • USN-5165-1
  • USN-5207-1
  • USN-5265-1
  • USN-5266-1
  • USN-5267-1
  • USN-5267-3
  • USN-5268-1
  • USN-5278-1
  • USN-5294-1
  • USN-5294-2
  • USN-5295-1
  • USN-5295-2
  • USN-5297-1
  • USN-5298-1
  • USN-5302-1
  • USN-5338-1
  • USN-5339-1
  • USN-5361-1
  • USN-5362-1
  • USN-5377-1
  • USN-5383-1
View more

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