{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-99037", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.387Z", "datePublished": "2026-10-23T12:21:54.317Z", "dateUpdated": "2026-10-30T12:41:10.478Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:41:10.478Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm-crypt: reject the lmk IV mode with AEAD ciphers\n\nA \"capi:\" table line that pairs an AEAD cipher with the lmk IV mode,\nfor example \"capi:gcm(aes)-lmk\" with the integrity:28:aead option,\ncauses an oops when it is loaded. lmk sets tfms_count to 64, but\ncrypt_alloc_tfms_aead only allocates one transform, so crypt_setkey\nreads past the end of the tfms_aead array and calls crypto_aead_setkey\non the values it finds there.\n\nlmk exists for compatibility with Loop-AES, which uses CBC, so refuse\nit with an AEAD cipher rather than allocate 64 AEAD transforms. The\ncheck cannot go in crypt_iv_lmk_ctr with the other lmk checks, because\nthe IV constructor runs after crypt_set_key.\n\nNote that this is not a security bug because the memory corruption can\nonly be triggered by root." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/md/dm-crypt.c" ], "versions": [ { "version": "33d2f09fcb357fd1861c4959d1d3505492bf91f8", "lessThan": "a04546fa65cbcf4a2774f93f365d747a19abb9b8", "status": "affected", "versionType": "git" }, { "version": "33d2f09fcb357fd1861c4959d1d3505492bf91f8", "lessThan": "412d1c1f490ed9ec5bd029883e8a626626613a70", "status": "affected", "versionType": "git" }, { "version": "33d2f09fcb357fd1861c4959d1d3505492bf91f8", "lessThan": "a50e830ded5a0d0cb9e897d1521716ba654f8c3e", "status": "affected", "versionType": "git" }, { "version": "33d2f09fcb357fd1861c4959d1d3505492bf91f8", "lessThan": "9a0dab8a9d9975dec14a118b55cae2517aea5ca9", "status": "affected", "versionType": "git" }, { "version": "33d2f09fcb357fd1861c4959d1d3505492bf91f8", "lessThan": "962ce265fbf5d87afeb78cf19c12e083ab0ffeb8", "status": "affected", "versionType": "git" }, { "version": "33d2f09fcb357fd1861c4959d1d3505492bf91f8", "lessThan": "a1a875614dae43b43d311bb9e7a7a70eed78efe6", "status": "affected", "versionType": "git" }, { "version": "33d2f09fcb357fd1861c4959d1d3505492bf91f8", "lessThan": "40ea7dfa8cd5f9aed72a55c9ca3008aee5880e6f", "status": "affected", "versionType": "git" }, { "version": "33d2f09fcb357fd1861c4959d1d3505492bf91f8", "lessThan": "3195e0daf590683992edb4eed32269e569e04924", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/md/dm-crypt.c" ], "versions": [ { "version": "4.12", "status": "affected" }, { "version": "0", "lessThan": "4.12", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.273", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.224", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.113", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.18.57", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.2.11", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.3", "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": "4.12", "versionEndExcluding": "5.10.273" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "5.15.224" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "6.1.191" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "6.6.160" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "6.12.113" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "6.18.57" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "7.2.11" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "7.3" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/a04546fa65cbcf4a2774f93f365d747a19abb9b8" }, { "url": "https://git.kernel.org/stable/c/412d1c1f490ed9ec5bd029883e8a626626613a70" }, { "url": "https://git.kernel.org/stable/c/a50e830ded5a0d0cb9e897d1521716ba654f8c3e" }, { "url": "https://git.kernel.org/stable/c/9a0dab8a9d9975dec14a118b55cae2517aea5ca9" }, { "url": "https://git.kernel.org/stable/c/962ce265fbf5d87afeb78cf19c12e083ab0ffeb8" }, { "url": "https://git.kernel.org/stable/c/a1a875614dae43b43d311bb9e7a7a70eed78efe6" }, { "url": "https://git.kernel.org/stable/c/40ea7dfa8cd5f9aed72a55c9ca3008aee5880e6f" }, { "url": "https://git.kernel.org/stable/c/3195e0daf590683992edb4eed32269e569e04924" } ], "title": "dm-crypt: reject the lmk IV mode with AEAD ciphers", "x_generator": { "engine": "bippy-1.2.0" } } } }