{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: af_can: fix NULL pointer dereference in can_rcv_filter\n\nAnalogue to commit 8aa59e355949 (\"can: af_can: fix NULL pointer\ndereference in can_rx_register()\") we need to check for a missing\ninitialization of ml_priv in the receive path of CAN frames.\n\nSince commit 4e096a18867a (\"net: introduce CAN specific pointer in the\nstruct net_device\") the check for dev->type to be ARPHRD_CAN is not\nsufficient anymore since bonding or tun netdevices claim to be CAN\ndevices but do not initialize ml_priv accordingly."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/can/af_can.c"
               ],
               "versions": [
                  {
                     "version": "4ac1feff6ea6",
                     "lessThan": "3982652957e8",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1a5751d58b14",
                     "lessThan": "c42221efb115",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "4e096a18867a",
                     "lessThan": "c142cba37de2",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "4e096a18867a",
                     "lessThan": "fcc63f2f7ee3",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "4e096a18867a",
                     "lessThan": "0acc442309a0",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/can/af_can.c"
               ],
               "versions": [
                  {
                     "version": "5.12",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.12",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.227",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.159",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.83",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.0.13",
                     "lessThanOrEqual": "6.0.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/3982652957e8d79ac32efcb725450580650a8644"
            },
            {
               "url": "https://git.kernel.org/stable/c/c42221efb1159d6a3c89e96685ee38acdce86b6f"
            },
            {
               "url": "https://git.kernel.org/stable/c/c142cba37de29f740a3852f01f59876af8ae462a"
            },
            {
               "url": "https://git.kernel.org/stable/c/fcc63f2f7ee3038d53216edd0d8291e57c752557"
            },
            {
               "url": "https://git.kernel.org/stable/c/0acc442309a0a1b01bcdaa135e56e6398a49439c"
            }
         ],
         "title": "can: af_can: fix NULL pointer dereference in can_rcv_filter",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2022-48977",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}