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Alma Linux: CVE-2021-4157: Important: kernel security, bug fix, and enhancement update (ALSA-2022-1988)

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Alma Linux: CVE-2021-4157: Important: kernel security, bug fix, and enhancement update (ALSA-2022-1988)

Severity
7
CVSS
(AV:A/AC:M/Au:S/C:C/I:C/A:C)
Published
03/25/2022
Created
05/14/2022
Added
05/13/2022
Modified
05/20/2022

Description

An out of memory bounds write flaw (1 or 2 bytes of memory) in the Linux kernel NFS subsystem was found in the way users use mirroring (replication of files with NFS). A user, having access to the NFS mount, could potentially use this flaw to crash the system or escalate privileges on the system.

Solution(s)

  • alma-upgrade-bpftool
  • alma-upgrade-kernel
  • alma-upgrade-kernel-abi-stablelists
  • alma-upgrade-kernel-core
  • alma-upgrade-kernel-cross-headers
  • alma-upgrade-kernel-debug
  • alma-upgrade-kernel-debug-core
  • alma-upgrade-kernel-debug-devel
  • alma-upgrade-kernel-debug-modules
  • alma-upgrade-kernel-debug-modules-extra
  • alma-upgrade-kernel-devel
  • alma-upgrade-kernel-doc
  • alma-upgrade-kernel-headers
  • alma-upgrade-kernel-modules
  • alma-upgrade-kernel-modules-extra
  • alma-upgrade-kernel-tools
  • alma-upgrade-kernel-tools-libs
  • alma-upgrade-kernel-tools-libs-devel
  • alma-upgrade-perf
  • alma-upgrade-python3-perf

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