{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31431","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-03-09T15:48:24.089Z","datePublished":"2026-04-22T08:15:10.123Z","dateUpdated":"2026-04-30T09:41:45.734Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-04-30T09:32:06.731Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: algif_aead - Revert to operating out-of-place\n\nThis mostly reverts commit 72548b093ee3 except for the copying of\nthe associated data.\n\nThere is no benefit in operating in-place in algif_aead since the\nsource and destination come from different mappings.  Get rid of\nall the complexity added for in-place operation and just copy the\nAD directly."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/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":["crypto/af_alg.c","crypto/algif_aead.c","crypto/algif_skcipher.c","include/crypto/if_alg.h"],"versions":[{"version":"72548b093ee38a6d4f2a19e6ef1948ae05c181f7","lessThan":"893d22e0135fa394db81df88697fba6032747667","status":"affected","versionType":"git"},{"version":"72548b093ee38a6d4f2a19e6ef1948ae05c181f7","lessThan":"19d43105a97be0810edbda875f2cd03f30dc130c","status":"affected","versionType":"git"},{"version":"72548b093ee38a6d4f2a19e6ef1948ae05c181f7","lessThan":"961cfa271a918ad4ae452420e7c303149002875b","status":"affected","versionType":"git"},{"version":"72548b093ee38a6d4f2a19e6ef1948ae05c181f7","lessThan":"3115af9644c342b356f3f07a4dd1c8905cd9a6fc","status":"affected","versionType":"git"},{"version":"72548b093ee38a6d4f2a19e6ef1948ae05c181f7","lessThan":"8b88d99341f139e23bdeb1027a2a3ae10d341d82","status":"affected","versionType":"git"},{"version":"72548b093ee38a6d4f2a19e6ef1948ae05c181f7","lessThan":"fafe0fa2995a0f7073c1c358d7d3145bcc9aedd8","status":"affected","versionType":"git"},{"version":"72548b093ee38a6d4f2a19e6ef1948ae05c181f7","lessThan":"ce42ee423e58dffa5ec03524054c9d8bfd4f6237","status":"affected","versionType":"git"},{"version":"72548b093ee38a6d4f2a19e6ef1948ae05c181f7","lessThan":"a664bf3d603dc3bdcf9ae47cc21e0daec706d7a5","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["crypto/af_alg.c","crypto/algif_aead.c","crypto/algif_skcipher.c","include/crypto/if_alg.h"],"versions":[{"version":"4.14","status":"affected"},{"version":"0","lessThan":"4.14","status":"unaffected","versionType":"semver"},{"version":"5.10.254","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.204","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.170","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.137","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.85","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.22","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.12","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":"4.14","versionEndExcluding":"5.10.254"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.15.204"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.1.170"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.6.137"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.12.85"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.18.22"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.19.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/893d22e0135fa394db81df88697fba6032747667"},{"url":"https://git.kernel.org/stable/c/19d43105a97be0810edbda875f2cd03f30dc130c"},{"url":"https://git.kernel.org/stable/c/961cfa271a918ad4ae452420e7c303149002875b"},{"url":"https://git.kernel.org/stable/c/3115af9644c342b356f3f07a4dd1c8905cd9a6fc"},{"url":"https://git.kernel.org/stable/c/8b88d99341f139e23bdeb1027a2a3ae10d341d82"},{"url":"https://git.kernel.org/stable/c/fafe0fa2995a0f7073c1c358d7d3145bcc9aedd8"},{"url":"https://git.kernel.org/stable/c/ce42ee423e58dffa5ec03524054c9d8bfd4f6237"},{"url":"https://git.kernel.org/stable/c/a664bf3d603dc3bdcf9ae47cc21e0daec706d7a5"}],"title":"crypto: algif_aead - Revert to operating out-of-place","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-669","lang":"en","description":"CWE-669 Incorrect Resource Transfer Between Spheres"}]}],"references":[{"url":"https://github.com/theori-io/copy-fail-CVE-2026-31431","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-29T00:00:00+00:00","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-31431"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-30T03:56:08.029Z"}},{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/04/29/23"},{"url":"https://copy.fail"},{"url":"http://www.openwall.com/lists/oss-security/2026/04/29/25"},{"url":"http://www.openwall.com/lists/oss-security/2026/04/29/26"},{"url":"http://www.openwall.com/lists/oss-security/2026/04/30/2"},{"url":"http://www.openwall.com/lists/oss-security/2026/04/30/5"},{"url":"http://www.openwall.com/lists/oss-security/2026/04/30/6"},{"url":"http://www.openwall.com/lists/oss-security/2026/04/30/10"},{"url":"http://www.openwall.com/lists/oss-security/2026/04/30/11"},{"url":"http://www.openwall.com/lists/oss-security/2026/04/30/12"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-04-30T09:41:45.734Z"}}]}}