Use After Free Affecting kernel-firmware package, versions <20200107-150100.3.40.1


Severity

Recommended
high

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-SLES151-KERNELFIRMWARE-6102753
  • published7 Dec 2023
  • disclosed6 Dec 2023

Introduced: 6 Dec 2023

CVE-2023-20519  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.1 kernel-firmware to version 20200107-150100.3.40.1 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:15.1 relevant fixed versions and status.

A Use-After-Free vulnerability in the management of an SNP guest context page may allow a malicious hypervisor to masquerade as the guest's migration agent resulting in a potential loss of guest integrity.

CVSS Scores

version 3.1