{"id":"CVE-2024-36012","summary":"Bluetooth: msft: fix slab-use-after-free in msft_do_close()","details":"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-\u003edata lifetime to hdev by freeing it in\nhci_release_dev() to fix the following case:\n\n[use]\nmsft_do_close()\n  msft = hdev-\u003emsft_data;\n  if (!msft)                      ...(1) \u003c- passed.\n    return;\n  mutex_lock(&msft-\u003efilter_lock); ...(4) \u003c- used after freed.\n\n[free]\nmsft_unregister()\n  msft = hdev-\u003emsft_data;\n  hdev-\u003emsft_data = NULL;         ...(2)\n  kfree(msft);                    ...(3) \u003c- 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","modified":"2026-04-02T11:59:55.642464Z","published":"2024-05-23T07:03:06.904Z","related":["MGASA-2024-0263","MGASA-2024-0266","SUSE-SU-2024:2008-1","SUSE-SU-2024:2019-1","SUSE-SU-2024:2135-1","SUSE-SU-2024:2190-1","SUSE-SU-2024:2203-1","SUSE-SU-2024:2973-1","SUSE-SU-2025:20008-1","SUSE-SU-2025:20028-1","SUSE-SU-2025:20166-1","SUSE-SU-2025:20249-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36012.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/10f9f426ac6e752c8d87bf4346930ba347aaabac"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4f1de02de07748da80a8178879bc7a1df37fdf56"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a85a60e62355e3bf4802dead7938966824b23940"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e3880b531b68f98d3941d83f2f6dd11cf4fd6b76"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36012.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-36012"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"bf6a4e30ffbd9e9ef8934582feb937f6532f8b68"},{"fixed":"e3880b531b68f98d3941d83f2f6dd11cf4fd6b76"},{"fixed":"a85a60e62355e3bf4802dead7938966824b23940"},{"fixed":"4f1de02de07748da80a8178879bc7a1df37fdf56"},{"fixed":"10f9f426ac6e752c8d87bf4346930ba347aaabac"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-36012.json"}}],"schema_version":"1.7.5"}