{"id":"CVE-2026-64173","state":"PUBLISHED","title":"tracing: Do not call map->ops->elt_free() if elt_alloc() fails","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Do not call map->ops->elt_free() if elt_alloc() fails\n\nIn paths where tracing_map_elt_alloc() failed to allocate objects,\nthe map->ops->elt_alloc() call was never successful. In this case,\nmap->ops->elt_free() should not be called.","publishedAt":"2026-07-19T15:40:58.251Z","updatedAt":"2026-07-19T15:40:58.251Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2734b629525a9dae5bf217cbf0a9651da93d2108","status":"affected","lessThan":"49332e49ad5b20262cc719b03d4123b9362de701","versionType":"git"},{"version":"2734b629525a9dae5bf217cbf0a9651da93d2108","status":"affected","lessThan":"b559a218eece132de0c58d444877b5627cbee524","versionType":"git"},{"version":"2734b629525a9dae5bf217cbf0a9651da93d2108","status":"affected","lessThan":"b427e9f6d81c9341cba23ef92f860f99f830d91d","versionType":"git"},{"version":"2734b629525a9dae5bf217cbf0a9651da93d2108","status":"affected","lessThan":"f383cff9fb382139980bac1bcd3f3f5d59f68435","versionType":"git"},{"version":"2734b629525a9dae5bf217cbf0a9651da93d2108","status":"affected","lessThan":"1a150947f8480262a46c860f1acb9c6597ca7097","versionType":"git"},{"version":"2734b629525a9dae5bf217cbf0a9651da93d2108","status":"affected","lessThan":"798183376d9d3e278a270ea0e75a5769c8f145d9","versionType":"git"},{"version":"2734b629525a9dae5bf217cbf0a9651da93d2108","status":"affected","lessThan":"b6723339736320b2e1784258ad4490cec7aac11a","versionType":"git"},{"version":"2734b629525a9dae5bf217cbf0a9651da93d2108","status":"affected","lessThan":"8f0f5c4fb9df0e19a341e0c6ed8dc4fda9124f03","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/trace/tracing_map.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.17","versionType":"semver"},{"version":"5.10.258","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.209","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.175","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.142","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.92","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.34","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.11","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/trace/tracing_map.c"]}],"references":["https://git.kernel.org/stable/c/49332e49ad5b20262cc719b03d4123b9362de701","https://git.kernel.org/stable/c/b559a218eece132de0c58d444877b5627cbee524","https://git.kernel.org/stable/c/b427e9f6d81c9341cba23ef92f860f99f830d91d","https://git.kernel.org/stable/c/f383cff9fb382139980bac1bcd3f3f5d59f68435","https://git.kernel.org/stable/c/1a150947f8480262a46c860f1acb9c6597ca7097","https://git.kernel.org/stable/c/798183376d9d3e278a270ea0e75a5769c8f145d9","https://git.kernel.org/stable/c/b6723339736320b2e1784258ad4490cec7aac11a","https://git.kernel.org/stable/c/8f0f5c4fb9df0e19a341e0c6ed8dc4fda9124f03"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/64xxx/CVE-2026-64173.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64173","state":"PUBLISHED","datePublished":"2026-07-19T15:40:58.251Z","dateUpdated":"2026-07-19T15:40:58.251Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-19T07:54:57.039Z"},"containers":{"cna":{"title":"tracing: Do not call map->ops->elt_free() if elt_alloc() fails","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Do not call map->ops->elt_free() if elt_alloc() fails\n\nIn paths where tracing_map_elt_alloc() failed to allocate objects,\nthe map->ops->elt_alloc() call was never successful. In this case,\nmap->ops->elt_free() should not be called."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2734b629525a9dae5bf217cbf0a9651da93d2108","status":"affected","lessThan":"49332e49ad5b20262cc719b03d4123b9362de701","versionType":"git"},{"version":"2734b629525a9dae5bf217cbf0a9651da93d2108","status":"affected","lessThan":"b559a218eece132de0c58d444877b5627cbee524","versionType":"git"},{"version":"2734b629525a9dae5bf217cbf0a9651da93d2108","status":"affected","lessThan":"b427e9f6d81c9341cba23ef92f860f99f830d91d","versionType":"git"},{"version":"2734b629525a9dae5bf217cbf0a9651da93d2108","status":"affected","lessThan":"f383cff9fb382139980bac1bcd3f3f5d59f68435","versionType":"git"},{"version":"2734b629525a9dae5bf217cbf0a9651da93d2108","status":"affected","lessThan":"1a150947f8480262a46c860f1acb9c6597ca7097","versionType":"git"},{"version":"2734b629525a9dae5bf217cbf0a9651da93d2108","status":"affected","lessThan":"798183376d9d3e278a270ea0e75a5769c8f145d9","versionType":"git"},{"version":"2734b629525a9dae5bf217cbf0a9651da93d2108","status":"affected","lessThan":"b6723339736320b2e1784258ad4490cec7aac11a","versionType":"git"},{"version":"2734b629525a9dae5bf217cbf0a9651da93d2108","status":"affected","lessThan":"8f0f5c4fb9df0e19a341e0c6ed8dc4fda9124f03","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/trace/tracing_map.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.17","versionType":"semver"},{"version":"5.10.258","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.209","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.175","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.142","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.92","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.34","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.11","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/trace/tracing_map.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/49332e49ad5b20262cc719b03d4123b9362de701"},{"url":"https://git.kernel.org/stable/c/b559a218eece132de0c58d444877b5627cbee524"},{"url":"https://git.kernel.org/stable/c/b427e9f6d81c9341cba23ef92f860f99f830d91d"},{"url":"https://git.kernel.org/stable/c/f383cff9fb382139980bac1bcd3f3f5d59f68435"},{"url":"https://git.kernel.org/stable/c/1a150947f8480262a46c860f1acb9c6597ca7097"},{"url":"https://git.kernel.org/stable/c/798183376d9d3e278a270ea0e75a5769c8f145d9"},{"url":"https://git.kernel.org/stable/c/b6723339736320b2e1784258ad4490cec7aac11a"},{"url":"https://git.kernel.org/stable/c/8f0f5c4fb9df0e19a341e0c6ed8dc4fda9124f03"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-07-19T15:40:58.251Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.10.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.15.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.1.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.6.142"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.12.92"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.18.34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"7.0.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}