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Rocky Linux: CVE-2021-33909: kernel (RLSA-2021-2714)

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Rocky Linux: CVE-2021-33909: kernel (RLSA-2021-2714)

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
07/20/2021
Created
05/06/2022
Added
05/05/2022
Modified
08/28/2024

Description

fs/seq_file.c in the Linux kernel 3.16 through 5.13.x before 5.13.4 does not properly restrict seq buffer allocations, leading to an integer overflow, an Out-of-bounds Write, and escalation to root by an unprivileged user, aka CID-8cae8cd89f05.

Solution(s)

  • rocky-upgrade-bpftool
  • rocky-upgrade-bpftool-debuginfo
  • rocky-upgrade-kernel
  • rocky-upgrade-kernel-core
  • rocky-upgrade-kernel-cross-headers
  • rocky-upgrade-kernel-debug
  • rocky-upgrade-kernel-debug-core
  • rocky-upgrade-kernel-debug-debuginfo
  • rocky-upgrade-kernel-debug-devel
  • rocky-upgrade-kernel-debug-modules
  • rocky-upgrade-kernel-debug-modules-extra
  • rocky-upgrade-kernel-debuginfo
  • rocky-upgrade-kernel-debuginfo-common-x86_64
  • rocky-upgrade-kernel-devel
  • rocky-upgrade-kernel-headers
  • rocky-upgrade-kernel-modules
  • rocky-upgrade-kernel-modules-extra
  • rocky-upgrade-kernel-tools
  • rocky-upgrade-kernel-tools-debuginfo
  • rocky-upgrade-kernel-tools-libs
  • rocky-upgrade-kernel-tools-libs-devel
  • rocky-upgrade-perf
  • rocky-upgrade-perf-debuginfo
  • rocky-upgrade-python3-perf
  • rocky-upgrade-python3-perf-debuginfo

References

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