{"id":"CVE-2026-99037","aliases":[],"cve":{"records":[{"id":"CVE-2026-99037","source":"Linux","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-25T10:25:14.387Z","published":"2026-10-23T12:21:54.317Z","modified":"2026-10-30T12:41:10.478Z"}],"publishers":[{"name":"Linux","role":"CNA","organizationId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","modified":"2026-10-30T12:41:10.478Z"}],"references":[{"url":"https://git.kernel.org/stable/c/a04546fa65cbcf4a2774f93f365d747a19abb9b8","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/412d1c1f490ed9ec5bd029883e8a626626613a70","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/a50e830ded5a0d0cb9e897d1521716ba654f8c3e","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/9a0dab8a9d9975dec14a118b55cae2517aea5ca9","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/962ce265fbf5d87afeb78cf19c12e083ab0ffeb8","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/a1a875614dae43b43d311bb9e7a7a70eed78efe6","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/40ea7dfa8cd5f9aed72a55c9ca3008aee5880e6f","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/3195e0daf590683992edb4eed32269e569e04924","tags":[],"source":"Linux"}],"weaknesses":[],"applicability":[{"source":"Linux","statements":[{"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"}]}]}]}],"prioritization":[]},"title":"dm-crypt: reject the lmk IV mode with AEAD ciphers","titleSource":"Linux","descriptionSource":"Linux","description":"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.","score":null,"severity":"unknown","published":"2026-10-23T12:21:54.317Z","modified":"2026-10-30T12:41:10.478Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"33d2f09fcb357fd1861c4959d1d3505492bf91f8","status":"affected","lessThan":"a04546fa65cbcf4a2774f93f365d747a19abb9b8","versionType":"git"},{"version":"33d2f09fcb357fd1861c4959d1d3505492bf91f8","status":"affected","lessThan":"412d1c1f490ed9ec5bd029883e8a626626613a70","versionType":"git"},{"version":"33d2f09fcb357fd1861c4959d1d3505492bf91f8","status":"affected","lessThan":"a50e830ded5a0d0cb9e897d1521716ba654f8c3e","versionType":"git"},{"version":"33d2f09fcb357fd1861c4959d1d3505492bf91f8","status":"affected","lessThan":"9a0dab8a9d9975dec14a118b55cae2517aea5ca9","versionType":"git"},{"version":"33d2f09fcb357fd1861c4959d1d3505492bf91f8","status":"affected","lessThan":"962ce265fbf5d87afeb78cf19c12e083ab0ffeb8","versionType":"git"},{"version":"33d2f09fcb357fd1861c4959d1d3505492bf91f8","status":"affected","lessThan":"a1a875614dae43b43d311bb9e7a7a70eed78efe6","versionType":"git"},{"version":"33d2f09fcb357fd1861c4959d1d3505492bf91f8","status":"affected","lessThan":"40ea7dfa8cd5f9aed72a55c9ca3008aee5880e6f","versionType":"git"},{"version":"33d2f09fcb357fd1861c4959d1d3505492bf91f8","status":"affected","lessThan":"3195e0daf590683992edb4eed32269e569e04924","versionType":"git"}],"defaultStatus":"unaffected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-99037"},{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"4.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.12","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.11","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"defaultStatus":"affected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-99037"}],"remediation":[],"references":["https://git.kernel.org/stable/c/a04546fa65cbcf4a2774f93f365d747a19abb9b8","https://git.kernel.org/stable/c/412d1c1f490ed9ec5bd029883e8a626626613a70","https://git.kernel.org/stable/c/a50e830ded5a0d0cb9e897d1521716ba654f8c3e","https://git.kernel.org/stable/c/9a0dab8a9d9975dec14a118b55cae2517aea5ca9","https://git.kernel.org/stable/c/962ce265fbf5d87afeb78cf19c12e083ab0ffeb8","https://git.kernel.org/stable/c/a1a875614dae43b43d311bb9e7a7a70eed78efe6","https://git.kernel.org/stable/c/40ea7dfa8cd5f9aed72a55c9ca3008aee5880e6f","https://git.kernel.org/stable/c/3195e0daf590683992edb4eed32269e569e04924"],"sources":[{"name":"CVE","id":"CVE-2026-99037","modified":"2026-10-30T12:41:10.478Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-99037"}],"assessments":[],"sourceAffected":[],"observedAt":"2026-10-30T13:11:12.988Z","kev":{"status":"not-listed","checkedAt":"2026-11-14T23:30:30.969Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":null}