SB2024102906 - Use-after-free in Linux kernel tty driver
Published: October 29, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024102906
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-2024-50073)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the gsm_cleanup_mux() function in drivers/tty/n_gsm.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/bf171b5e86e41de4c1cf32fb7aefa275c3d7de49
- https://git.kernel.org/stable/c/c29f192e0d44cc1cbaf698fa1ff198f63556691a
- https://git.kernel.org/stable/c/0eec592c6a7460ba795d7de29f3dc95cb5422e62
- https://git.kernel.org/stable/c/9462f4ca56e7d2430fdb6dcc8498244acbfc4489
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.114
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.58