{
   "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: msft: fix slab-use-after-free in msft_do_close()\n\nTying the msft->data lifetime to hdev by freeing it in\nhci_release_dev() to fix the following case:\n\n[use]\nmsft_do_close()\n  msft = hdev->msft_data;\n  if (!msft)                      ...(1) <- passed.\n    return;\n  mutex_lock(&msft->filter_lock); ...(4) <- used after freed.\n\n[free]\nmsft_unregister()\n  msft = hdev->msft_data;\n  hdev->msft_data = NULL;         ...(2)\n  kfree(msft);                    ...(3) <- msft is freed.\n\n==================================================================\nBUG: KASAN: slab-use-after-free in __mutex_lock_common\nkernel/locking/mutex.c:587 [inline]\nBUG: KASAN: slab-use-after-free in __mutex_lock+0x8f/0xc30\nkernel/locking/mutex.c:752\nRead of size 8 at addr ffff888106cbbca8 by task kworker/u5:2/309"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/bluetooth/hci_core.c",
                  "net/bluetooth/msft.c",
                  "net/bluetooth/msft.h"
               ],
               "versions": [
                  {
                     "version": "bf6a4e30ffbd",
                     "lessThan": "e3880b531b68",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "bf6a4e30ffbd",
                     "lessThan": "a85a60e62355",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "bf6a4e30ffbd",
                     "lessThan": "4f1de02de077",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "bf6a4e30ffbd",
                     "lessThan": "10f9f426ac6e",
                     "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/hci_core.c",
                  "net/bluetooth/msft.c",
                  "net/bluetooth/msft.h"
               ],
               "versions": [
                  {
                     "version": "5.12",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.12",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.91",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.31",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.8.10",
                     "lessThanOrEqual": "6.8.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/e3880b531b68f98d3941d83f2f6dd11cf4fd6b76"
            },
            {
               "url": "https://git.kernel.org/stable/c/a85a60e62355e3bf4802dead7938966824b23940"
            },
            {
               "url": "https://git.kernel.org/stable/c/4f1de02de07748da80a8178879bc7a1df37fdf56"
            },
            {
               "url": "https://git.kernel.org/stable/c/10f9f426ac6e752c8d87bf4346930ba347aaabac"
            }
         ],
         "title": "Bluetooth: msft: fix slab-use-after-free in msft_do_close()",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-36012",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}