CVE-2025-21833

MEDIUM

Linux Kernel - Use-After-Free in IOMMU VT-d Domain Removal

Title source: llm

Description

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.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/68ec78beb4a3fb0877cbaaf49758c85410c05977

Patch

https://git.kernel.org/stable/c/df96876be3b064aefc493f760e0639765d13ed0d

Patch

https://git.kernel.org/stable/c/60f030f7418d3f1d94f2fb207fe3080e1844630b

Scores

CVSS v3 5.5

EPSS 0.0018

EPSS Percentile 7.6%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-476

Status published

Products (11)

linux/Kernel 6.13.0 - 6.13.3linux

linux/Kernel 6.7.0 - 6.12.57linux

Linux/Linux < 6.7

Linux/Linux 6.12.57 - 6.12.*

Linux/Linux 6.13.3 - 6.13.*

Linux/Linux 6.14

Linux/Linux 6.7

Linux/Linux d87731f609318a27e9aa3d01cf97798599d32839 - 60f030f7418d3f1d94f2fb207fe3080e1844630b

Linux/Linux d87731f609318a27e9aa3d01cf97798599d32839 - 68ec78beb4a3fb0877cbaaf49758c85410c05977

Linux/Linux d87731f609318a27e9aa3d01cf97798599d32839 - df96876be3b064aefc493f760e0639765d13ed0d

... and 1 more

Published Mar 06, 2025

Tracked Since Feb 18, 2026