{"id":"CVE-2025-21833","state":"PUBLISHED","title":"iommu/vt-d: Avoid use of NULL after WARN_ON_ONCE","description":"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.","publishedAt":"2025-03-06T16:22:34.798Z","updatedAt":"2026-05-11T21:07:24.468Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d87731f609318a27e9aa3d01cf97798599d32839","status":"affected","lessThan":"68ec78beb4a3fb0877cbaaf49758c85410c05977","versionType":"git"},{"version":"d87731f609318a27e9aa3d01cf97798599d32839","status":"affected","lessThan":"df96876be3b064aefc493f760e0639765d13ed0d","versionType":"git"},{"version":"d87731f609318a27e9aa3d01cf97798599d32839","status":"affected","lessThan":"60f030f7418d3f1d94f2fb207fe3080e1844630b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/intel/iommu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.12.57","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13.3","status":"unaffected","lessThanOrEqual":"6.13.*","versionType":"semver"},{"version":"6.14","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/intel/iommu.c"]}],"references":["https://git.kernel.org/stable/c/68ec78beb4a3fb0877cbaaf49758c85410c05977","https://git.kernel.org/stable/c/df96876be3b064aefc493f760e0639765d13ed0d","https://git.kernel.org/stable/c/60f030f7418d3f1d94f2fb207fe3080e1844630b"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:08:39.238Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/21xxx/CVE-2025-21833.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-21833","state":"PUBLISHED","datePublished":"2025-03-06T16:22:34.798Z","dateUpdated":"2026-05-11T21:07:24.468Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-12-29T08:45:45.777Z"},"containers":{"cna":{"title":"iommu/vt-d: Avoid use of NULL after WARN_ON_ONCE","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d87731f609318a27e9aa3d01cf97798599d32839","status":"affected","lessThan":"68ec78beb4a3fb0877cbaaf49758c85410c05977","versionType":"git"},{"version":"d87731f609318a27e9aa3d01cf97798599d32839","status":"affected","lessThan":"df96876be3b064aefc493f760e0639765d13ed0d","versionType":"git"},{"version":"d87731f609318a27e9aa3d01cf97798599d32839","status":"affected","lessThan":"60f030f7418d3f1d94f2fb207fe3080e1844630b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/intel/iommu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.12.57","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13.3","status":"unaffected","lessThanOrEqual":"6.13.*","versionType":"semver"},{"version":"6.14","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/intel/iommu.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/68ec78beb4a3fb0877cbaaf49758c85410c05977"},{"url":"https://git.kernel.org/stable/c/df96876be3b064aefc493f760e0639765d13ed0d"},{"url":"https://git.kernel.org/stable/c/60f030f7418d3f1d94f2fb207fe3080e1844630b"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:07:24.468Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.57"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.13.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.14"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2025-21833","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:27:04.147746Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","lang":"en","type":"CWE","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:36:35.536Z"}}]}}}