{"id":"CVE-2025-21833","summary":"iommu/vt-d: Avoid use of NULL after WARN_ON_ONCE","details":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/vt-d: Avoid use of NULL after WARN_ON_ONCE\n\nThere is a WARN_ON_ONCE to catch an unlikely situation when\ndomain_remove_dev_pasid can't find the `pasid`. In case it nevertheless\nhappens we must avoid using a NULL pointer.","modified":"2026-03-20T12:41:11.915463Z","published":"2025-03-06T16:22:34.798Z","related":["CGA-p4w4-fxp2-p5m4","SUSE-SU-2025:01614-1","SUSE-SU-2025:01707-1","SUSE-SU-2025:01919-1","SUSE-SU-2025:01951-1","SUSE-SU-2025:01964-1","SUSE-SU-2025:01967-1","SUSE-SU-2025:20343-1","SUSE-SU-2025:20344-1","SUSE-SU-2025:20354-1","SUSE-SU-2025:20355-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21833.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/60f030f7418d3f1d94f2fb207fe3080e1844630b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/68ec78beb4a3fb0877cbaaf49758c85410c05977"},{"type":"WEB","url":"https://git.kernel.org/stable/c/df96876be3b064aefc493f760e0639765d13ed0d"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21833.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21833"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"d87731f609318a27e9aa3d01cf97798599d32839"},{"fixed":"68ec78beb4a3fb0877cbaaf49758c85410c05977"},{"fixed":"df96876be3b064aefc493f760e0639765d13ed0d"},{"fixed":"60f030f7418d3f1d94f2fb207fe3080e1844630b"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21833.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}