#VU102029 Use-after-free in Linux kernel - CVE-2024-56642
Published: December 30, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU102029
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-2024-56642
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 cleanup_bearer() function in net/tipc/udp_media.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/4e69457f9dfae67435f3ccf29008768eae860415
- https://git.kernel.org/stable/c/650ee9a22d7a2de8999fac2d45983597a0c22359
- https://git.kernel.org/stable/c/6a2fa13312e51a621f652d522d7e2df7066330b6
- https://git.kernel.org/stable/c/d00d4470bf8c4282617a3a10e76b20a9c7e4cffa
- https://git.kernel.org/stable/c/d2a4894f238551eae178904e7f45af87577074fd
- https://git.kernel.org/stable/c/d62d5180c036eeac09f80660edc7a602b369125f
- https://git.kernel.org/stable/c/e48b211c4c59062cb6dd6c2c37c51a7cc235a464
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.5