{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: RFCOMM: FIX possible deadlock in rfcomm_sk_state_change\n\nrfcomm_sk_state_change attempts to use sock_lock so it must never be\ncalled with it locked but rfcomm_sock_ioctl always attempt to lock it\ncausing the following trace:\n\n======================================================\nWARNING: possible circular locking dependency detected\n6.8.0-syzkaller-08951-gfe46a7dd189e #0 Not tainted\n------------------------------------------------------\nsyz-executor386/5093 is trying to acquire lock:\nffff88807c396258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1671 [inline]\nffff88807c396258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sk_state_change+0x5b/0x310 net/bluetooth/rfcomm/sock.c:73\n\nbut task is already holding lock:\nffff88807badfd28 (&d->lock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0x226/0x6a0 net/bluetooth/rfcomm/core.c:491"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/bluetooth/rfcomm/sock.c"
               ],
               "versions": [
                  {
                     "version": "3241ad820dbb",
                     "lessThan": "ef44274dae9b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "3241ad820dbb",
                     "lessThan": "496b2ab0fd10",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "3241ad820dbb",
                     "lessThan": "ced98072d351",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "3241ad820dbb",
                     "lessThan": "38b2d5a57d12",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "3241ad820dbb",
                     "lessThan": "4cb9807c9b53",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "3241ad820dbb",
                     "lessThan": "08d1914293da",
                     "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/bluetooth/rfcomm/sock.c"
               ],
               "versions": [
                  {
                     "version": "2.6.27",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "2.6.27",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.227",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.168",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.113",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.57",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.11.4",
                     "lessThanOrEqual": "6.11.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.12-rc3",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/ef44274dae9b0a90d1a97ce8b242a3b8243a7745"
            },
            {
               "url": "https://git.kernel.org/stable/c/496b2ab0fd10f205e08909a125485fdc98843dbe"
            },
            {
               "url": "https://git.kernel.org/stable/c/ced98072d3511b232ae1d3347945f35f30c0e303"
            },
            {
               "url": "https://git.kernel.org/stable/c/38b2d5a57d125e1c17661b8308c0240c4a43b534"
            },
            {
               "url": "https://git.kernel.org/stable/c/4cb9807c9b53bf1e5560420d26f319f528b50268"
            },
            {
               "url": "https://git.kernel.org/stable/c/08d1914293dae38350b8088980e59fbc699a72fe"
            }
         ],
         "title": "Bluetooth: RFCOMM: FIX possible deadlock in rfcomm_sk_state_change",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-50044",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}