{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-45862","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-13T15:03:33.080Z","datePublished":"2026-05-27T12:15:41.903Z","dateUpdated":"2026-05-30T10:45:42.298Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-30T10:45:42.298Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/vt-d: Flush cache for PASID table before using it\n\nWhen writing the address of a freshly allocated zero-initialized PASID\ntable to a PASID directory entry, do that after the CPU cache flush for\nthis PASID table, not before it, to avoid the time window when this\nPASID table may be already used by non-coherent IOMMU hardware while\nits contents in RAM is still some random old data, not zero-initialized."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/intel/pasid.c"],"versions":[{"version":"7e00b52c8cdd9d3a985d63d72ecae7bde6314883","lessThan":"cd75e77125c8a51754ca4cd60b4ca083ed735d1d","status":"affected","versionType":"git"},{"version":"5c65f097124770c3e5b9b83ed1a8b68c119bc7b5","lessThan":"0616137b70e6d9a547d4b60df8e1b64e36d83661","status":"affected","versionType":"git"},{"version":"2bed9455db7cc0ab7ece6b3d846472097b52855a","lessThan":"36990407cdd257473607e33802d00e978af2759e","status":"affected","versionType":"git"},{"version":"194b3348bdbb7db65375c72f3f774aee4cc6614e","lessThan":"c93f23375d8c410954b0df825e814b632fd62b9d","status":"affected","versionType":"git"},{"version":"194b3348bdbb7db65375c72f3f774aee4cc6614e","lessThan":"5962c30a6f05ea1ab73f039e235bb30716243517","status":"affected","versionType":"git"},{"version":"194b3348bdbb7db65375c72f3f774aee4cc6614e","lessThan":"36244dfd3853f7bf89d03b8e90d56b23ce7fbc16","status":"affected","versionType":"git"},{"version":"194b3348bdbb7db65375c72f3f774aee4cc6614e","lessThan":"d15cda135148ea7ba929cfdbcf208182bc29a7aa","status":"affected","versionType":"git"},{"version":"194b3348bdbb7db65375c72f3f774aee4cc6614e","lessThan":"22d169bdd2849fe6bd18c2643742e1c02be6451c","status":"affected","versionType":"git"},{"version":"1b48c70feefc499b62670521efa002ab01e05df5","status":"affected","versionType":"git"},{"version":"bc348a6cc8f92e9979fbfbb3c6b48fd51b4b1dbf","status":"affected","versionType":"git"},{"version":"5.10.175","lessThan":"5.10.252","status":"affected","versionType":"semver"},{"version":"5.15.103","lessThan":"5.15.202","status":"affected","versionType":"semver"},{"version":"6.1.16","lessThan":"6.1.165","status":"affected","versionType":"semver"},{"version":"5.4.237","lessThan":"5.5","status":"affected","versionType":"semver"},{"version":"6.2.3","lessThan":"6.3","status":"affected","versionType":"semver"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/intel/pasid.c"],"versions":[{"version":"6.3","status":"affected"},{"version":"0","lessThan":"6.3","status":"unaffected","versionType":"semver"},{"version":"5.10.252","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.202","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.165","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.128","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.75","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.14","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.4","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.175","versionEndExcluding":"5.10.252"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.103","versionEndExcluding":"5.15.202"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.16","versionEndExcluding":"6.1.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.18.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.19.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"7.0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.237"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2.3"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/cd75e77125c8a51754ca4cd60b4ca083ed735d1d"},{"url":"https://git.kernel.org/stable/c/0616137b70e6d9a547d4b60df8e1b64e36d83661"},{"url":"https://git.kernel.org/stable/c/36990407cdd257473607e33802d00e978af2759e"},{"url":"https://git.kernel.org/stable/c/c93f23375d8c410954b0df825e814b632fd62b9d"},{"url":"https://git.kernel.org/stable/c/5962c30a6f05ea1ab73f039e235bb30716243517"},{"url":"https://git.kernel.org/stable/c/36244dfd3853f7bf89d03b8e90d56b23ce7fbc16"},{"url":"https://git.kernel.org/stable/c/d15cda135148ea7ba929cfdbcf208182bc29a7aa"},{"url":"https://git.kernel.org/stable/c/22d169bdd2849fe6bd18c2643742e1c02be6451c"}],"title":"iommu/vt-d: Flush cache for PASID table before using it","x_generator":{"engine":"bippy-1.2.0"}}}}