{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-44965","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-08-21T05:34:56.667Z","datePublished":"2024-09-04T18:36:02.762Z","dateUpdated":"2025-11-03T22:14:12.083Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T09:29:55.740Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nx86/mm: Fix pti_clone_pgtable() alignment assumption\n\nGuenter reported dodgy crashes on an i386-nosmp build using GCC-11\nthat had the form of endless traps until entry stack exhaust and then\n#DF from the stack guard.\n\nIt turned out that pti_clone_pgtable() had alignment assumptions on\nthe start address, notably it hard assumes start is PMD aligned. This\nis true on x86_64, but very much not true on i386.\n\nThese assumptions can cause the end condition to malfunction, leading\nto a 'short' clone. Guess what happens when the user mapping has a\nshort copy of the entry text?\n\nUse the correct increment form for addr to avoid alignment\nassumptions."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/x86/mm/pti.c"],"versions":[{"version":"16a3fe634f6a568c6234b8747e5d50487fed3526","lessThan":"18da1b27ce16a14a9b636af9232acb4fb24f4c9e","status":"affected","versionType":"git"},{"version":"16a3fe634f6a568c6234b8747e5d50487fed3526","lessThan":"25a727233a40a9b33370eec9f0cad67d8fd312f8","status":"affected","versionType":"git"},{"version":"16a3fe634f6a568c6234b8747e5d50487fed3526","lessThan":"d00c9b4bbc442d99e1dafbdfdab848bc1ead73f6","status":"affected","versionType":"git"},{"version":"16a3fe634f6a568c6234b8747e5d50487fed3526","lessThan":"4d143ae782009b43b4f366402e5c37f59d4e4346","status":"affected","versionType":"git"},{"version":"16a3fe634f6a568c6234b8747e5d50487fed3526","lessThan":"5c580c1050bcbc15c3e78090859d798dcf8c9763","status":"affected","versionType":"git"},{"version":"16a3fe634f6a568c6234b8747e5d50487fed3526","lessThan":"ca07aab70dd3b5e7fddb62d7a6ecd7a7d6d0b2ed","status":"affected","versionType":"git"},{"version":"16a3fe634f6a568c6234b8747e5d50487fed3526","lessThan":"df3eecb5496f87263d171b254ca6e2758ab3c35c","status":"affected","versionType":"git"},{"version":"16a3fe634f6a568c6234b8747e5d50487fed3526","lessThan":"41e71dbb0e0a0fe214545fe64af031303a08524c","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/x86/mm/pti.c"],"versions":[{"version":"4.19","status":"affected"},{"version":"0","lessThan":"4.19","status":"unaffected","versionType":"semver"},{"version":"4.19.320","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.282","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.224","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.165","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.105","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.46","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.10.5","lessThanOrEqual":"6.10.*","status":"unaffected","versionType":"semver"},{"version":"6.11","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":"4.19","versionEndExcluding":"4.19.320"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.4.282"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.10.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.15.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.1.105"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.6.46"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.10.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.11"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/18da1b27ce16a14a9b636af9232acb4fb24f4c9e"},{"url":"https://git.kernel.org/stable/c/25a727233a40a9b33370eec9f0cad67d8fd312f8"},{"url":"https://git.kernel.org/stable/c/d00c9b4bbc442d99e1dafbdfdab848bc1ead73f6"},{"url":"https://git.kernel.org/stable/c/4d143ae782009b43b4f366402e5c37f59d4e4346"},{"url":"https://git.kernel.org/stable/c/5c580c1050bcbc15c3e78090859d798dcf8c9763"},{"url":"https://git.kernel.org/stable/c/ca07aab70dd3b5e7fddb62d7a6ecd7a7d6d0b2ed"},{"url":"https://git.kernel.org/stable/c/df3eecb5496f87263d171b254ca6e2758ab3c35c"},{"url":"https://git.kernel.org/stable/c/41e71dbb0e0a0fe214545fe64af031303a08524c"}],"title":"x86/mm: Fix pti_clone_pgtable() alignment assumption","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-44965","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T17:39:33.847439Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-12T17:33:35.306Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"},{"url":"https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T22:14:12.083Z"}}]}}