CVE-2025-21833
Moderate
iommu/vt-d: Avoid use of NULL after WARN_ON_ONCE
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.
Exploit probability
0.2%
Published
March 6, 2025
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2025-21833
View original source
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/60f030f7418d3f1d94f2fb207fe3080e1844630b
- https://git.kernel.org/stable/c/68ec78beb4a3fb0877cbaaf49758c85410c05977
- https://git.kernel.org/stable/c/df96876be3b064aefc493f760e0639765d13ed0d
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21833.json
- https://nvd.nist.gov/vuln/detail/CVE-2025-21833