{"id":"CVE-2026-31643","state":"PUBLISHED","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.","publishedAt":"2026-04-24T14:44:57.540Z","updatedAt":"2026-05-11T22:12:46.954Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0ca100ff4df64f5d0f6c1dd5080c3e096786bea6","status":"affected","lessThan":"d5f76f812d2c0ea6dd651b0586be49e85ecca085","versionType":"git"},{"version":"0ca100ff4df64f5d0f6c1dd5080c3e096786bea6","status":"affected","lessThan":"01f51318feb626deee1d0c8a190198cd7857d599","versionType":"git"},{"version":"0ca100ff4df64f5d0f6c1dd5080c3e096786bea6","status":"affected","lessThan":"b555912b9b21075e8298015f888ffe3ff60b1a97","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/rxrpc/key.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.16","versionType":"semver"},{"version":"6.18.23","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.13","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/rxrpc/key.c"]}],"references":["https://git.kernel.org/stable/c/d5f76f812d2c0ea6dd651b0586be49e85ecca085","https://git.kernel.org/stable/c/01f51318feb626deee1d0c8a190198cd7857d599","https://git.kernel.org/stable/c/b555912b9b21075e8298015f888ffe3ff60b1a97"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/31xxx/CVE-2026-31643.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31643","state":"PUBLISHED","datePublished":"2026-04-24T14:44:57.540Z","dateUpdated":"2026-05-11T22:12:46.954Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-03-09T15:48:24.127Z"},"containers":{"cna":{"title":"rxrpc: Fix key parsing memleak","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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0ca100ff4df64f5d0f6c1dd5080c3e096786bea6","status":"affected","lessThan":"d5f76f812d2c0ea6dd651b0586be49e85ecca085","versionType":"git"},{"version":"0ca100ff4df64f5d0f6c1dd5080c3e096786bea6","status":"affected","lessThan":"01f51318feb626deee1d0c8a190198cd7857d599","versionType":"git"},{"version":"0ca100ff4df64f5d0f6c1dd5080c3e096786bea6","status":"affected","lessThan":"b555912b9b21075e8298015f888ffe3ff60b1a97","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/rxrpc/key.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.16","versionType":"semver"},{"version":"6.18.23","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.13","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/rxrpc/key.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:12:46.954Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"6.18.23"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"6.19.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}