{"api_version":"1","generated_at":"2026-04-25T12:38:17+00:00","cve":"CVE-2026-31643","urls":{"html":"https://cve.report/CVE-2026-31643","api":"https://cve.report/api/cve/CVE-2026-31643.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-31643","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-31643"},"summary":{"title":"rxrpc: Fix key parsing memleak","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix key parsing memleak\n\nIn rxrpc_preparse_xdr_yfs_rxgk(), the memory attached to token->rxgk can be\nleaked in a few error paths after it's allocated.\n\nFix this by freeing it in the \"reject_token:\" case.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-04-24 15:16:43","updated_at":"2026-04-24 17:51:40"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/b555912b9b21075e8298015f888ffe3ff60b1a97","name":"https://git.kernel.org/stable/c/b555912b9b21075e8298015f888ffe3ff60b1a97","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/01f51318feb626deee1d0c8a190198cd7857d599","name":"https://git.kernel.org/stable/c/01f51318feb626deee1d0c8a190198cd7857d599","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d5f76f812d2c0ea6dd651b0586be49e85ecca085","name":"https://git.kernel.org/stable/c/d5f76f812d2c0ea6dd651b0586be49e85ecca085","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-31643","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31643","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0ca100ff4df64f5d0f6c1dd5080c3e096786bea6 d5f76f812d2c0ea6dd651b0586be49e85ecca085 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0ca100ff4df64f5d0f6c1dd5080c3e096786bea6 01f51318feb626deee1d0c8a190198cd7857d599 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0ca100ff4df64f5d0f6c1dd5080c3e096786bea6 b555912b9b21075e8298015f888ffe3ff60b1a97 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 * 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":["net/rxrpc/key.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d5f76f812d2c0ea6dd651b0586be49e85ecca085","status":"affected","version":"0ca100ff4df64f5d0f6c1dd5080c3e096786bea6","versionType":"git"},{"lessThan":"01f51318feb626deee1d0c8a190198cd7857d599","status":"affected","version":"0ca100ff4df64f5d0f6c1dd5080c3e096786bea6","versionType":"git"},{"lessThan":"b555912b9b21075e8298015f888ffe3ff60b1a97","status":"affected","version":"0ca100ff4df64f5d0f6c1dd5080c3e096786bea6","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/rxrpc/key.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.16"},{"lessThan":"6.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.23","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.13","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":"6.18.23","versionStartIncluding":"6.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.13","versionStartIncluding":"6.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.16","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix key parsing memleak\n\nIn rxrpc_preparse_xdr_yfs_rxgk(), the memory attached to token->rxgk can be\nleaked in a few error paths after it's allocated.\n\nFix this by freeing it in the \"reject_token:\" case."}],"providerMetadata":{"dateUpdated":"2026-04-24T14:44:57.540Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/d5f76f812d2c0ea6dd651b0586be49e85ecca085"},{"url":"https://git.kernel.org/stable/c/01f51318feb626deee1d0c8a190198cd7857d599"},{"url":"https://git.kernel.org/stable/c/b555912b9b21075e8298015f888ffe3ff60b1a97"}],"title":"rxrpc: Fix key parsing memleak","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-31643","datePublished":"2026-04-24T14:44:57.540Z","dateReserved":"2026-03-09T15:48:24.127Z","dateUpdated":"2026-04-24T14:44:57.540Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-04-24 15:16:43","lastModifiedDate":"2026-04-24 17:51:40","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"31643","Ordinal":"1","Title":"rxrpc: Fix key parsing memleak","CVE":"CVE-2026-31643","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"31643","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix key parsing memleak\n\nIn rxrpc_preparse_xdr_yfs_rxgk(), the memory attached to token->rxgk can be\nleaked in a few error paths after it's allocated.\n\nFix this by freeing it in the \"reject_token:\" case.","Type":"Description","Title":"rxrpc: Fix key parsing memleak"}]}}}