{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72169","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-08-09T03:40:39.910Z","datePublished":"2026-08-15T05:53:35.599Z","dateUpdated":"2026-08-17T05:09:30.900Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-17T05:09:30.900Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nkho: make sure scratch size is always aligned by CMA_MIN_ALIGNMENT_BYTES\n\nWhen using scratch_scale, the scratch sizes are rounded up to\nCMA_MIN_ALIGNMENT_BYTES since they will be released as MIGRATE_CMA. This\nis not done when using fixed scratch sizes via command line. This can\nresult in user specifying a size which is not aligned, and thus kernel\nreleasing a pageblock that is only partially scratch.\n\nDo the rounding up for both cases in scratch_size_update()."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/liveupdate/kexec_handover.c"],"versions":[{"version":"3dc92c311498c4d307cfdd0c6c3ac9355b50f683","lessThan":"b8271be34bce151597da5b5179e0648c281322a4","status":"affected","versionType":"git"},{"version":"3dc92c311498c4d307cfdd0c6c3ac9355b50f683","lessThan":"9fefab759f59bf891bef7be15aee4bc7caec7ec3","status":"affected","versionType":"git"},{"version":"3dc92c311498c4d307cfdd0c6c3ac9355b50f683","lessThan":"0e39380a7316122e1b00012b3f3cd3e318b3e7d3","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/liveupdate/kexec_handover.c"],"versions":[{"version":"6.16","status":"affected"},{"version":"0","lessThan":"6.16","status":"unaffected","versionType":"semver"},{"version":"6.18.42","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.5","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","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":"6.16","versionEndExcluding":"6.18.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/b8271be34bce151597da5b5179e0648c281322a4"},{"url":"https://git.kernel.org/stable/c/9fefab759f59bf891bef7be15aee4bc7caec7ec3"},{"url":"https://git.kernel.org/stable/c/0e39380a7316122e1b00012b3f3cd3e318b3e7d3"}],"title":"kho: make sure scratch size is always aligned by CMA_MIN_ALIGNMENT_BYTES","x_generator":{"engine":"bippy-1.2.0"}}}}