{"api_version":"1","generated_at":"2026-04-22T12:55:42+00:00","cve":"CVE-2026-31431","urls":{"html":"https://cve.report/CVE-2026-31431","api":"https://cve.report/api/cve/CVE-2026-31431.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-31431","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-31431"},"summary":{"title":"crypto: algif_aead - Revert to operating out-of-place","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-04-22 09:16:21","updated_at":"2026-04-22 09:16:21"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/a664bf3d603dc3bdcf9ae47cc21e0daec706d7a5","name":"https://git.kernel.org/stable/c/a664bf3d603dc3bdcf9ae47cc21e0daec706d7a5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ce42ee423e58dffa5ec03524054c9d8bfd4f6237","name":"https://git.kernel.org/stable/c/ce42ee423e58dffa5ec03524054c9d8bfd4f6237","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fafe0fa2995a0f7073c1c358d7d3145bcc9aedd8","name":"https://git.kernel.org/stable/c/fafe0fa2995a0f7073c1c358d7d3145bcc9aedd8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-31431","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31431","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 72548b093ee38a6d4f2a19e6ef1948ae05c181f7 fafe0fa2995a0f7073c1c358d7d3145bcc9aedd8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 72548b093ee38a6d4f2a19e6ef1948ae05c181f7 ce42ee423e58dffa5ec03524054c9d8bfd4f6237 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 72548b093ee38a6d4f2a19e6ef1948ae05c181f7 a664bf3d603dc3bdcf9ae47cc21e0daec706d7a5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.14","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.14 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.22 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.12 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["crypto/af_alg.c","crypto/algif_aead.c","crypto/algif_skcipher.c","include/crypto/if_alg.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"fafe0fa2995a0f7073c1c358d7d3145bcc9aedd8","status":"affected","version":"72548b093ee38a6d4f2a19e6ef1948ae05c181f7","versionType":"git"},{"lessThan":"ce42ee423e58dffa5ec03524054c9d8bfd4f6237","status":"affected","version":"72548b093ee38a6d4f2a19e6ef1948ae05c181f7","versionType":"git"},{"lessThan":"a664bf3d603dc3bdcf9ae47cc21e0daec706d7a5","status":"affected","version":"72548b093ee38a6d4f2a19e6ef1948ae05c181f7","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["crypto/af_alg.c","crypto/algif_aead.c","crypto/algif_skcipher.c","include/crypto/if_alg.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.14"},{"lessThan":"4.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.22","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.22","versionStartIncluding":"4.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.12","versionStartIncluding":"4.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"4.14","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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."}],"providerMetadata":{"dateUpdated":"2026-04-22T08:15:10.123Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"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"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-31431","datePublished":"2026-04-22T08:15:10.123Z","dateReserved":"2026-03-09T15:48:24.089Z","dateUpdated":"2026-04-22T08:15:10.123Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-04-22 09:16:21","lastModifiedDate":"2026-04-22 09:16:21","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"31431","Ordinal":"1","Title":"crypto: algif_aead - Revert to operating out-of-place","CVE":"CVE-2026-31431","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"31431","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"crypto: algif_aead - Revert to operating out-of-place"}]}}}