Out-of-bounds Read Affecting shim package, versions <15.8-150300.4.20.2


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-SLES155-SHIM-6672107
  • published23 Apr 2024
  • disclosed22 Apr 2024

Introduced: 22 Apr 2024

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

How to fix?

Upgrade SLES:15.5 shim to version 15.8-150300.4.20.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream shim package and not the shim package as distributed by SLES. See How to fix? for SLES:15.5 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