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{
"id": "CVE-2024-36012",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-05-23T07:15:08.900",
"lastModified": "2024-05-23T07:15:08.900",
"vulnStatus": "Received",
"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"
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/10f9f426ac6e752c8d87bf4346930ba347aaabac",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/4f1de02de07748da80a8178879bc7a1df37fdf56",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/a85a60e62355e3bf4802dead7938966824b23940",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/e3880b531b68f98d3941d83f2f6dd11cf4fd6b76",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}