{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2024-40921", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-07-12T12:17:45.582Z", "datePublished": "2024-07-12T12:25:02.907Z", "dateUpdated": "2026-05-23T15:51:04.404Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:51:04.404Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bridge: mst: pass vlan group directly to br_mst_vlan_set_state\n\nPass the already obtained vlan group pointer to br_mst_vlan_set_state()\ninstead of dereferencing it again. Each caller has already correctly\ndereferenced it for their context. This change is required for the\nfollowing suspicious RCU dereference fix. No functional changes\nintended." } ], "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": "09f4337c27f5bdeb8646a6db91488cc2f7d537ff", "status": "affected", "versionType": "git" }, { "version": "4488617e5e995a09abe4d81add5fb165674edb59", "lessThan": "a6cc9e9a651b9861efa068c164ee62dfba68c6ca", "status": "affected", "versionType": "git" }, { "version": "e43dd2b1ec746e105b7db5f9ad6ef14685a615a4", "lessThan": "d2dc02775fc0c4eacaee833a0637e5958884a8e5", "status": "affected", "versionType": "git" }, { "version": "3a7c1661ae1383364cd6092d851f5e5da64d476b", "lessThan": "36c92936e868601fa1f43da6758cf55805043509", "status": "affected", "versionType": "git" }, { "version": "a2b01e65d9ba8af2bb086d3b7288ca53a07249ac", "status": "affected", "versionType": "git" }, { "version": "6.8.12", "lessThan": "6.9", "status": "affected", "versionType": "semver" } ] }, { "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/09f4337c27f5bdeb8646a6db91488cc2f7d537ff" }, { "url": "https://git.kernel.org/stable/c/a6cc9e9a651b9861efa068c164ee62dfba68c6ca" }, { "url": "https://git.kernel.org/stable/c/d2dc02775fc0c4eacaee833a0637e5958884a8e5" }, { "url": "https://git.kernel.org/stable/c/36c92936e868601fa1f43da6758cf55805043509" } ], "title": "net: bridge: mst: pass vlan group directly to br_mst_vlan_set_state", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/09f4337c27f5bdeb8646a6db91488cc2f7d537ff", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/a6cc9e9a651b9861efa068c164ee62dfba68c6ca", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/d2dc02775fc0c4eacaee833a0637e5958884a8e5", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/36c92936e868601fa1f43da6758cf55805043509", "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": "2025-11-03T21:57:52.259Z" } }, { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2024-40921", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-09-10T17:05:30.546464Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:34:28.825Z" } } ] } }