{"id":"CVE-2024-50005","state":"PUBLISHED","title":"mac802154: Fix potential RCU dereference issue in mac802154_scan_worker","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmac802154: Fix potential RCU dereference issue in mac802154_scan_worker\n\nIn the `mac802154_scan_worker` function, the `scan_req->type` field was\naccessed after the RCU read-side critical section was unlocked. According\nto RCU usage rules, this is illegal and can lead to unpredictable\nbehavior, such as accessing memory that has been updated or causing\nuse-after-free issues.\n\nThis possible bug was identified using a static analysis tool developed\nby myself, specifically designed to detect RCU-related issues.\n\nTo address this, the `scan_req->type` value is now stored in a local\nvariable `scan_req_type` while still within the RCU read-side critical\nsection. The `scan_req_type` is then used after the RCU lock is released,\nensuring that the type value is safely accessed without violating RCU\nrules.","publishedAt":"2024-10-21T18:53:59.259Z","updatedAt":"2026-05-11T20:43:42.200Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e2c3e6f53a7a8a00ffeed127cfd1b397c3b016f8","status":"affected","lessThan":"e676e4ea76bbe7f1156d8c326b9b6753849481c2","versionType":"git"},{"version":"e2c3e6f53a7a8a00ffeed127cfd1b397c3b016f8","status":"affected","lessThan":"540138377b22f601f06f55ebfa3ca171dcab471a","versionType":"git"},{"version":"e2c3e6f53a7a8a00ffeed127cfd1b397c3b016f8","status":"affected","lessThan":"d18f669461811dfe2915d5554ab2a9834f810013","versionType":"git"},{"version":"e2c3e6f53a7a8a00ffeed127cfd1b397c3b016f8","status":"affected","lessThan":"bff1709b3980bd7f80be6786f64cc9a9ee9e56da","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/mac802154/scan.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.5","versionType":"semver"},{"version":"6.6.55","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.14","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11.3","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/mac802154/scan.c"]}],"references":["https://git.kernel.org/stable/c/e676e4ea76bbe7f1156d8c326b9b6753849481c2","https://git.kernel.org/stable/c/540138377b22f601f06f55ebfa3ca171dcab471a","https://git.kernel.org/stable/c/d18f669461811dfe2915d5554ab2a9834f810013","https://git.kernel.org/stable/c/bff1709b3980bd7f80be6786f64cc9a9ee9e56da"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:56.516Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/50xxx/CVE-2024-50005.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-50005","state":"PUBLISHED","datePublished":"2024-10-21T18:53:59.259Z","dateUpdated":"2026-05-11T20:43:42.200Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-10-21T12:17:06.059Z"},"containers":{"cna":{"title":"mac802154: Fix potential RCU dereference issue in mac802154_scan_worker","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmac802154: Fix potential RCU dereference issue in mac802154_scan_worker\n\nIn the `mac802154_scan_worker` function, the `scan_req->type` field was\naccessed after the RCU read-side critical section was unlocked. According\nto RCU usage rules, this is illegal and can lead to unpredictable\nbehavior, such as accessing memory that has been updated or causing\nuse-after-free issues.\n\nThis possible bug was identified using a static analysis tool developed\nby myself, specifically designed to detect RCU-related issues.\n\nTo address this, the `scan_req->type` value is now stored in a local\nvariable `scan_req_type` while still within the RCU read-side critical\nsection. The `scan_req_type` is then used after the RCU lock is released,\nensuring that the type value is safely accessed without violating RCU\nrules."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e2c3e6f53a7a8a00ffeed127cfd1b397c3b016f8","status":"affected","lessThan":"e676e4ea76bbe7f1156d8c326b9b6753849481c2","versionType":"git"},{"version":"e2c3e6f53a7a8a00ffeed127cfd1b397c3b016f8","status":"affected","lessThan":"540138377b22f601f06f55ebfa3ca171dcab471a","versionType":"git"},{"version":"e2c3e6f53a7a8a00ffeed127cfd1b397c3b016f8","status":"affected","lessThan":"d18f669461811dfe2915d5554ab2a9834f810013","versionType":"git"},{"version":"e2c3e6f53a7a8a00ffeed127cfd1b397c3b016f8","status":"affected","lessThan":"bff1709b3980bd7f80be6786f64cc9a9ee9e56da","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/mac802154/scan.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.5","versionType":"semver"},{"version":"6.6.55","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.14","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11.3","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/mac802154/scan.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e676e4ea76bbe7f1156d8c326b9b6753849481c2"},{"url":"https://git.kernel.org/stable/c/540138377b22f601f06f55ebfa3ca171dcab471a"},{"url":"https://git.kernel.org/stable/c/d18f669461811dfe2915d5554ab2a9834f810013"},{"url":"https://git.kernel.org/stable/c/bff1709b3980bd7f80be6786f64cc9a9ee9e56da"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:43:42.200Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.6.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.10.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.11.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.12"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-50005","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-10-22T13:29:26.338058Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-10-22T13:38:40.499Z"}}]}}}