CVE-2024-36012
highpriority · track · 31EPSS 0.002 · 12 %ileDEEURUUSEPSS · scored 2026-10-28
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
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (33)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2024-1227Linux Kernel (Bluetooth): Mehrere SchwachstellenDeutsch2024-05-22csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in der Bluetooth-Komponente des Linux Kernels ausnutzen, um einen Denial of Service Angriff durchzuführen oder einen nicht spezifizierten Angriff durchzuführen.
also known as (4)
Other names and identifiers for this entity.
sources
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references (15)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2024-36012cnnvd
- https://cxsecurity.com/cveshow/CVE-2024-36012/cnnvd
- https://git.kernel.org/stable/c/10f9f426ac6e752c8d87bf4346930ba347aaabaccnnvd
- https://git.kernel.org/stable/c/4f1de02de07748da80a8178879bc7a1df37fdf56cnnvd
- https://git.kernel.org/stable/c/a85a60e62355e3bf4802dead7938966824b23940cnnvd
- https://git.kernel.org/stable/c/e3880b531b68f98d3941d83f2f6dd11cf4fd6b76cnnvd
- https://vigilance.fr/vulnerability/Linux-kernel-multiple-vulnerabilities-dated-24-05-2024-44383cnnvd
- https://git.kernel.org/stable/c/10f9f426ac6e752c8d87bf4346930ba347aaabacenisa_euvd
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