{
   "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: hci_codec: Fix leaking content of local_codecs\n\nThe following memory leak can be observed when the controller supports\ncodecs which are stored in local_codecs list but the elements are never\nfreed:\n\nunreferenced object 0xffff88800221d840 (size 32):\n  comm \"kworker/u3:0\", pid 36, jiffies 4294898739 (age 127.060s)\n  hex dump (first 32 bytes):\n    f8 d3 02 03 80 88 ff ff 80 d8 21 02 80 88 ff ff  ..........!.....\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [<ffffffffb324f557>] __kmalloc+0x47/0x120\n    [<ffffffffb39ef37d>] hci_codec_list_add.isra.0+0x2d/0x160\n    [<ffffffffb39ef643>] hci_read_codec_capabilities+0x183/0x270\n    [<ffffffffb39ef9ab>] hci_read_supported_codecs+0x1bb/0x2d0\n    [<ffffffffb39f162e>] hci_read_local_codecs_sync+0x3e/0x60\n    [<ffffffffb39ff1b3>] hci_dev_open_sync+0x943/0x11e0\n    [<ffffffffb396d55d>] hci_power_on+0x10d/0x3f0\n    [<ffffffffb30c99b4>] process_one_work+0x404/0x800\n    [<ffffffffb30ca134>] worker_thread+0x374/0x670\n    [<ffffffffb30d9108>] kthread+0x188/0x1c0\n    [<ffffffffb304db6b>] ret_from_fork+0x2b/0x50\n    [<ffffffffb300206a>] ret_from_fork_asm+0x1a/0x30"
            }
         ],
         "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/hci_event.c",
                  "net/bluetooth/hci_sync.c"
               ],
               "versions": [
                  {
                     "version": "8961987f3f5f",
                     "lessThan": "626535077ba9",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "8961987f3f5f",
                     "lessThan": "eea5a8f0c3b7",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "8961987f3f5f",
                     "lessThan": "b938790e7054",
                     "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/hci_event.c",
                  "net/bluetooth/hci_sync.c"
               ],
               "versions": [
                  {
                     "version": "5.16",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.16",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.57",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.5.7",
                     "lessThanOrEqual": "6.5.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/626535077ba9dc110787540d1fe24881094c15a1"
            },
            {
               "url": "https://git.kernel.org/stable/c/eea5a8f0c3b7c884d2351e75fbdd0a3d7def5ae1"
            },
            {
               "url": "https://git.kernel.org/stable/c/b938790e70540bf4f2e653dcd74b232494d06c8f"
            }
         ],
         "title": "Bluetooth: hci_codec: Fix leaking content of local_codecs",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2023-52518",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}