NULL Pointer Dereference Affecting kernel-source-coco package, versions <6.4.0-15061.21.coco15sp6.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.02% (4th percentile)

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  • Snyk IDSNYK-SLES156-KERNELSOURCECOCO-10348339
  • published13 Jun 2025
  • disclosed12 Jun 2025

Introduced: 12 Jun 2025

NewCVE-2025-21833  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade SLES:15.6 kernel-source-coco to version 6.4.0-15061.21.coco15sp6.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-source-coco package and not the kernel-source-coco package as distributed by SLES. See How to fix? for SLES:15.6 relevant fixed versions and status.

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

iommu/vt-d: Avoid use of NULL after WARN_ON_ONCE

There is a WARN_ON_ONCE to catch an unlikely situation when domain_remove_dev_pasid can't find the pasid. In case it nevertheless happens we must avoid using a NULL pointer.

CVSS Base Scores

version 3.1