CVE-2025-21833 Information

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.

Reference

https://git.kernel.org/stable/c/60f030f7418d3f1d94f2fb207fe3080e1844630b https://git.kernel.org/stable/c/df96876be3b064aefc493f760e0639765d13ed0d