CVE-2024-36012 (GCVE-0-2024-36012)

Vulnerability from cvelistv5 – Published: 2024-05-23 07:03 – Updated: 2025-05-04 09:10
VLAI?
Title
Bluetooth: msft: fix slab-use-after-free in msft_do_close()
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: msft: fix slab-use-after-free in msft_do_close() Tying the msft->data lifetime to hdev by freeing it in hci_release_dev() to fix the following case: [use] msft_do_close() msft = hdev->msft_data; if (!msft) ...(1) <- passed. return; mutex_lock(&msft->filter_lock); ...(4) <- used after freed. [free] msft_unregister() msft = hdev->msft_data; hdev->msft_data = NULL; ...(2) kfree(msft); ...(3) <- msft is freed. ================================================================== BUG: KASAN: slab-use-after-free in __mutex_lock_common kernel/locking/mutex.c:587 [inline] BUG: KASAN: slab-use-after-free in __mutex_lock+0x8f/0xc30 kernel/locking/mutex.c:752 Read of size 8 at addr ffff888106cbbca8 by task kworker/u5:2/309
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: bf6a4e30ffbd9e9ef8934582feb937f6532f8b68 , < e3880b531b68f98d3941d83f2f6dd11cf4fd6b76 (git)
Affected: bf6a4e30ffbd9e9ef8934582feb937f6532f8b68 , < a85a60e62355e3bf4802dead7938966824b23940 (git)
Affected: bf6a4e30ffbd9e9ef8934582feb937f6532f8b68 , < 4f1de02de07748da80a8178879bc7a1df37fdf56 (git)
Affected: bf6a4e30ffbd9e9ef8934582feb937f6532f8b68 , < 10f9f426ac6e752c8d87bf4346930ba347aaabac (git)
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    Linux Linux Affected: 5.12
Unaffected: 0 , < 5.12 (semver)
Unaffected: 6.1.91 , ≤ 6.1.* (semver)
Unaffected: 6.6.31 , ≤ 6.6.* (semver)
Unaffected: 6.8.10 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (original_commit_for_fix)
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