{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "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": "8ca9a750fc71",
                     "lessThan": "caaa2129784a",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "4488617e5e99",
                     "lessThan": "7caefa277172",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "e43dd2b1ec74",
                     "lessThan": "406bfc04b01e",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "3a7c1661ae13",
                     "lessThan": "546ceb1dfdac",
                     "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": "custom"
                  },
                  {
                     "version": "6.6.33",
                     "lessThan": "6.6.35",
                     "status": "affected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9.3",
                     "lessThan": "6.9.6",
                     "status": "affected",
                     "versionType": "custom"
                  }
               ]
            }
         ],
         "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-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-40920",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}