#VU99442 Use-after-free in Linux kernel - CVE-2024-50073
Published: October 29, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU99442
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-50073
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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