Time-of-check Time-of-use (TOCTOU) Affecting kernel-firmware package, versions <20191118-150000.3.42.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-SLES150-KERNELFIRMWARE-2848034
  • published26 May 2022
  • disclosed25 May 2022

Introduced: 25 May 2022

CVE-2021-26350  (opens in a new tab)
CWE-367  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 kernel-firmware to version 20191118-150000.3.42.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-firmware package and not the kernel-firmware package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

A TOCTOU race condition in SMU may allow for the caller to obtain and manipulate the address of a message port register which may result in a potential denial of service.

CVSS Scores

version 3.1