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Oracle Linux: (CVE-2021-33033) (Multiple Advisories): kernel security and bug fix update

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Oracle Linux: (CVE-2021-33033) (Multiple Advisories): kernel security and bug fix update

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
05/14/2021
Created
07/15/2021
Added
07/13/2021
Modified
11/23/2022

Description

The Linux kernel before 5.11.14 has a use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c because the CIPSO and CALIPSO refcounting for the DOI definitions is mishandled, aka CID-ad5d07f4a9cd. This leads to writing an arbitrary value.

Solution(s)

  • oracle-linux-upgrade-kernel
  • oracle-linux-upgrade-kernel-uek
  • oracle-linux-upgrade-kernel-uek-container
  • oracle-linux-upgrade-kernel-uek-container-debug
  • oracle-linux-upgrade-kernel-uek-debug
  • oracle-linux-upgrade-kernel-uek-debug-devel
  • oracle-linux-upgrade-kernel-uek-devel
  • oracle-linux-upgrade-kernel-uek-doc
  • oracle-linux-upgrade-kernel-uek-headers
  • oracle-linux-upgrade-kernel-uek-tools
  • oracle-linux-upgrade-kernel-uek-tools-libs
  • oracle-linux-upgrade-kernel-uek-tools-libs-devel
  • oracle-linux-upgrade-perf
  • oracle-linux-upgrade-python-perf

References

  • ELSA-2021-2725
  • CVE-2021-33033
  • USN-4979-1
  • USN-4984-1
  • USN-5343-1

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