NULL Pointer Dereference Affecting linux-virt package, versions <6.12.20-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-LINUXVIRT-13305511
  • published6 Oct 2025
  • disclosed1 Apr 2025

Introduced: 1 Apr 2025

CVE-2025-21918  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Minimos:latest linux-virt to version 6.12.20-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream linux-virt package and not the linux-virt package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

usb: typec: ucsi: Fix NULL pointer access

Resources should be released only after all threads that utilize them have been destroyed. This commit ensures that resources are not released prematurely by waiting for the associated workqueue to complete before deallocating them.

CVSS Base Scores

version 3.1