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Red Hat: CVE-2023-40551: shim: out of bounds read when parsing MZ binaries (Multiple Advisories)

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Red Hat: CVE-2023-40551: shim: out of bounds read when parsing MZ binaries (Multiple Advisories)

Severity
5
CVSS
(AV:L/AC:L/Au:M/C:P/I:N/A:C)
Published
01/29/2024
Created
04/17/2024
Added
04/17/2024
Modified
09/03/2024

Description

A flaw was found in the MZ binary format in Shim. An out-of-bounds read may occur, leading to a crash or possible exposure of sensitive data during the system's boot phase.

Solution(s)

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

References

  • CVE-2023-40551
  • RHSA-2024:1835
  • RHSA-2024:1876
  • RHSA-2024:1883
  • RHSA-2024:1902
  • RHSA-2024:1903
  • RHSA-2024:1959
  • RHSA-2024:2086
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