{"api_version":"1","generated_at":"2026-04-25T14:02:08+00:00","cve":"CVE-2026-31631","urls":{"html":"https://cve.report/CVE-2026-31631","api":"https://cve.report/api/cve/CVE-2026-31631.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-31631","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-31631"},"summary":{"title":"rxrpc: Fix buffer overread in rxgk_do_verify_authenticator()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix buffer overread in rxgk_do_verify_authenticator()\n\nFix rxgk_do_verify_authenticator() to check the buffer size before checking\nthe nonce.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-04-24 15:16:42","updated_at":"2026-04-24 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record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31631","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a 794586789800b16dcbe235452494f4223ac80413 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a 1c4422d8be81718ecb15d79aedff607323085201 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a f564af387c8c28238f8ebc13314c589d7ba8475d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.16","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.16 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.23 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.13 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * 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the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix buffer overread in rxgk_do_verify_authenticator()\n\nFix rxgk_do_verify_authenticator() to check the buffer size before checking\nthe nonce."}],"providerMetadata":{"dateUpdated":"2026-04-24T14:44:47.305Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/794586789800b16dcbe235452494f4223ac80413"},{"url":"https://git.kernel.org/stable/c/1c4422d8be81718ecb15d79aedff607323085201"},{"url":"https://git.kernel.org/stable/c/f564af387c8c28238f8ebc13314c589d7ba8475d"}],"title":"rxrpc: Fix buffer overread in rxgk_do_verify_authenticator()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-31631","datePublished":"2026-04-24T14:44:47.305Z","dateReserved":"2026-03-09T15:48:24.125Z","dateUpdated":"2026-04-24T14:44:47.305Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-04-24 15:16:42","lastModifiedDate":"2026-04-24 17:51:40","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"31631","Ordinal":"1","Title":"rxrpc: Fix buffer overread in rxgk_do_verify_authenticator()","CVE":"CVE-2026-31631","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"31631","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix buffer overread in rxgk_do_verify_authenticator()\n\nFix rxgk_do_verify_authenticator() to check the buffer size before checking\nthe nonce.","Type":"Description","Title":"rxrpc: Fix buffer overread in rxgk_do_verify_authenticator()"}]}}}