NULL Pointer Dereference Affecting kernel-uki-virt-addons package, versions <0:6.12.0-124.8.1.el10_1


Severity

Recommended
0.0
medium
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.05% (17th percentile)

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  • Snyk IDSNYK-ROCKY10-KERNELUKIVIRTADDONS-14145979
  • published28 Nov 2025
  • disclosed12 Mar 2025

Introduced: 12 Mar 2025

CVE-2025-21844  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:10 kernel-uki-virt-addons to version 0:6.12.0-124.8.1.el10_1 or higher.
This issue was patched in RLSA-2025:20095.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uki-virt-addons package and not the kernel-uki-virt-addons package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:10 relevant fixed versions and status.

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

smb: client: Add check for next_buffer in receive_encrypted_standard()

Add check for the return value of cifs_buf_get() and cifs_small_buf_get() in receive_encrypted_standard() to prevent null pointer dereference.

CVSS Base Scores

version 3.1