{"id":"CVE-2023-53330","state":"PUBLISHED","title":"caif: fix memory leak in cfctrl_linkup_request()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncaif: fix memory leak in cfctrl_linkup_request()\n\nWhen linktype is unknown or kzalloc failed in cfctrl_linkup_request(),\npkt is not released. Add release process to error path.","publishedAt":"2025-09-16T16:12:06.005Z","updatedAt":"2026-05-11T19:42:51.796Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b482cd2053e3b90a7b33a78c63cdb6badf2ec383","status":"affected","lessThan":"badea57569db04b010e922e29a7aaf40a979a70b","versionType":"git"},{"version":"b482cd2053e3b90a7b33a78c63cdb6badf2ec383","status":"affected","lessThan":"3acf3783a84cbdf0c9f8cf2f32ee9c49af93a2da","versionType":"git"},{"version":"b482cd2053e3b90a7b33a78c63cdb6badf2ec383","status":"affected","lessThan":"33df9c5d5e2a18c70f5f5f3c2757d654c1b6ffa3","versionType":"git"},{"version":"b482cd2053e3b90a7b33a78c63cdb6badf2ec383","status":"affected","lessThan":"84b2cc7b36b7f6957d307fb3d01603f93cb2d655","versionType":"git"},{"version":"b482cd2053e3b90a7b33a78c63cdb6badf2ec383","status":"affected","lessThan":"dc1bc903970bdf63ca40ab923d3ccb765da9a8d9","versionType":"git"},{"version":"b482cd2053e3b90a7b33a78c63cdb6badf2ec383","status":"affected","lessThan":"1dddeceb26002cfea4c375e92ac6498768dc7349","versionType":"git"},{"version":"b482cd2053e3b90a7b33a78c63cdb6badf2ec383","status":"affected","lessThan":"3ad47c8aa5648226184415e4a0cb1bf67ffbfd48","versionType":"git"},{"version":"b482cd2053e3b90a7b33a78c63cdb6badf2ec383","status":"affected","lessThan":"fe69230f05897b3de758427b574fc98025dfc907","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/caif/cfctrl.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.35","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.35","versionType":"semver"},{"version":"4.14.303","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.87","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.19","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.5","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/caif/cfctrl.c"]}],"references":["https://git.kernel.org/stable/c/badea57569db04b010e922e29a7aaf40a979a70b","https://git.kernel.org/stable/c/3acf3783a84cbdf0c9f8cf2f32ee9c49af93a2da","https://git.kernel.org/stable/c/33df9c5d5e2a18c70f5f5f3c2757d654c1b6ffa3","https://git.kernel.org/stable/c/84b2cc7b36b7f6957d307fb3d01603f93cb2d655","https://git.kernel.org/stable/c/dc1bc903970bdf63ca40ab923d3ccb765da9a8d9","https://git.kernel.org/stable/c/1dddeceb26002cfea4c375e92ac6498768dc7349","https://git.kernel.org/stable/c/3ad47c8aa5648226184415e4a0cb1bf67ffbfd48","https://git.kernel.org/stable/c/fe69230f05897b3de758427b574fc98025dfc907"],"weaknesses":["CWE-401"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53330.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53330","state":"PUBLISHED","datePublished":"2025-09-16T16:12:06.005Z","dateUpdated":"2026-05-11T19:42:51.796Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-16T16:08:59.564Z"},"containers":{"cna":{"title":"caif: fix memory leak in cfctrl_linkup_request()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncaif: fix memory leak in cfctrl_linkup_request()\n\nWhen linktype is unknown or kzalloc failed in cfctrl_linkup_request(),\npkt is not released. Add release process to error 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ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2023-53330","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-01-14T18:29:54.969564Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-401","lang":"en","type":"CWE","description":"CWE-401 Missing Release of Memory after Effective Lifetime"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-14T18:32:59.687Z"}}]}}}