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Ubuntu: (Multiple Advisories) (CVE-2022-20572): Linux kernel (AWS) vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2022-20572): Linux kernel (AWS) vulnerabilities

Severity
7
CVSS
(AV:L/AC:L/Au:M/C:C/I:C/A:C)
Published
12/16/2022
Created
05/05/2023
Added
04/10/2023
Modified
01/28/2025

Description

In verity_target of dm-verity-target.c, there is a possible way to modify read-only files due to a missing permission check. 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-234475629References: Upstream kernel

Solution(s)

  • ubuntu-upgrade-linux-image-4-4-0-1117-aws
  • ubuntu-upgrade-linux-image-4-4-0-1118-kvm
  • ubuntu-upgrade-linux-image-4-4-0-1155-aws
  • ubuntu-upgrade-linux-image-4-4-0-239-generic
  • ubuntu-upgrade-linux-image-4-4-0-239-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-2022-20572
  • CVE - 2022-20572
  • USN-6001-1
  • USN-6013-1
  • USN-6014-1
  • 查看数 710
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  • 最后回复

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