NULL Pointer Dereference Affecting kernel-rt-64k-core package, versions <0:6.12.0-124.8.1.el10_1


Severity

Recommended
0.0
medium
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-ALMALINUX10-KERNELRT64KCORE-14120347
  • published26 Nov 2025
  • disclosed11 Nov 2025

Introduced: 11 Nov 2025

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

How to fix?

Upgrade AlmaLinux:10 kernel-rt-64k-core to version 0:6.12.0-124.8.1.el10_1 or higher.
This issue was patched in ALSA-2025:20095.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-64k-core package and not the kernel-rt-64k-core package as distributed by AlmaLinux. See How to fix? for AlmaLinux: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