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CentOS Linux: CVE-2023-40549: Important: shim security update (CESA-2024:1959)

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CentOS Linux: CVE-2023-40549: Important: shim security update (CESA-2024:1959)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
01/29/2024
Created
04/24/2024
Added
04/24/2024
Modified
04/26/2024

Description

An out-of-bounds read flaw was found in Shim due to the lack of proper boundary verification during the load of a PE binary. This flaw allows an attacker to load a crafted PE binary, triggering the issue and crashing Shim, resulting in a denial of service.

Solution(s)

  • centos-upgrade-mokutil
  • centos-upgrade-mokutil-debuginfo
  • centos-upgrade-shim-ia32
  • centos-upgrade-shim-unsigned-ia32
  • centos-upgrade-shim-unsigned-x64
  • centos-upgrade-shim-x64

References

  • CVE-2023-40549

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