Out-of-bounds Read Affecting shim-ia32 package, versions <0:15.8-4.el8_9.alma.1


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.4% (33rd percentile)

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  • Snyk IDSNYK-ALMALINUX8-SHIMIA32-6836471
  • published11 May 2024
  • disclosed18 Apr 2024

Introduced: 18 Apr 2024

CVE-2023-40550  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 shim-ia32 to version 0:15.8-4.el8_9.alma.1 or higher.
This issue was patched in ALSA-2024:1902.

NVD Description

Note: Versions mentioned in the description apply only to the upstream shim-ia32 package and not the shim-ia32 package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

An out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue may expose sensitive data during the system's boot phase.

CVSS Base Scores

version 3.1