SB2024123043 - Use-after-free in Linux kernel bluetooth rfcomm
Published: December 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024123043
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-2024-56604)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the rfcomm_sock_alloc() function in net/bluetooth/rfcomm/sock.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/32df687e129ef0f9afcbcc914f7c32deb28fd481
- https://git.kernel.org/stable/c/3945c799f12b8d1f49a3b48369ca494d981ac465
- https://git.kernel.org/stable/c/6021ccc2471b7b95e29b7cfc7938e042bf56e281
- https://git.kernel.org/stable/c/ac3eaac4cf142a15fe67be747a682b1416efeb6e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.120