{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-40920","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-07-12T12:17:45.582Z","datePublished":"2024-07-12T12:25:02.222Z","dateUpdated":"2025-11-03T21:57:50.802Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T12:57:14.602Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bridge: mst: fix suspicious rcu usage in br_mst_set_state\n\nI converted br_mst_set_state to RCU to avoid a vlan use-after-free\nbut forgot to change the vlan group dereference helper. Switch to vlan\ngroup RCU deref helper to fix the suspicious rcu usage warning."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bridge/br_mst.c"],"versions":[{"version":"8ca9a750fc711911ef616ceb627d07357b04545e","lessThan":"caaa2129784a04dcade0ea92c12e6ff90bbd23d8","status":"affected","versionType":"git"},{"version":"4488617e5e995a09abe4d81add5fb165674edb59","lessThan":"7caefa2771722e65496d85b62e1dc4442b7d1345","status":"affected","versionType":"git"},{"version":"e43dd2b1ec746e105b7db5f9ad6ef14685a615a4","lessThan":"406bfc04b01ee47e4c626f77ecc7d9f85135b166","status":"affected","versionType":"git"},{"version":"3a7c1661ae1383364cd6092d851f5e5da64d476b","lessThan":"546ceb1dfdac866648ec959cbc71d9525bd73462","status":"affected","versionType":"git"},{"version":"a2b01e65d9ba8af2bb086d3b7288ca53a07249ac","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bridge/br_mst.c"],"versions":[{"version":"6.1.93","lessThan":"6.1.95","status":"affected","versionType":"semver"},{"version":"6.6.33","lessThan":"6.6.35","status":"affected","versionType":"semver"},{"version":"6.9.3","lessThan":"6.9.6","status":"affected","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.93","versionEndExcluding":"6.1.95"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.33","versionEndExcluding":"6.6.35"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9.3","versionEndExcluding":"6.9.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8.12"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/caaa2129784a04dcade0ea92c12e6ff90bbd23d8"},{"url":"https://git.kernel.org/stable/c/7caefa2771722e65496d85b62e1dc4442b7d1345"},{"url":"https://git.kernel.org/stable/c/406bfc04b01ee47e4c626f77ecc7d9f85135b166"},{"url":"https://git.kernel.org/stable/c/546ceb1dfdac866648ec959cbc71d9525bd73462"}],"title":"net: bridge: mst: fix suspicious rcu usage in br_mst_set_state","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/caaa2129784a04dcade0ea92c12e6ff90bbd23d8","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/7caefa2771722e65496d85b62e1dc4442b7d1345","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/406bfc04b01ee47e4c626f77ecc7d9f85135b166","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/546ceb1dfdac866648ec959cbc71d9525bd73462","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T21:57:50.802Z"}},{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-40920","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T17:05:33.673278Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-11T17:33:03.619Z"}}]}}