SB20240530162 - Use-after-free in Linux kernel bluetooth
Published: May 30, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240530162
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-36012)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the msft_monitor_supported() function in net/bluetooth/msft.h, within the msft_register() function in net/bluetooth/msft.c, within the hci_unregister_dev() and hci_release_dev() functions in net/bluetooth/hci_core.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/e3880b531b68f98d3941d83f2f6dd11cf4fd6b76
- https://git.kernel.org/stable/c/a85a60e62355e3bf4802dead7938966824b23940
- https://git.kernel.org/stable/c/4f1de02de07748da80a8178879bc7a1df37fdf56
- https://git.kernel.org/stable/c/10f9f426ac6e752c8d87bf4346930ba347aaabac
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.91
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.31
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.10