#VU100166 Use-after-free in Linux kernel - CVE-2024-50219
Published: November 10, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU100166
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-2024-50219
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 rmqueue_buddy() function in mm/page_alloc.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/4c4e238d3adad3c94bb255d0f117d3685bbfdd33
- https://git.kernel.org/stable/c/189b954469cf82f8b8cf496f8de94b006d2d4746
- https://git.kernel.org/stable/c/b958948ae1cb3e39c48e9f805436fd652103c71e
- https://git.kernel.org/stable/c/d0fdacfb85a3e1223b894cc6e60091ec91049e9e
- https://git.kernel.org/stable/c/281dd25c1a018261a04d1b8bf41a0674000bfe38
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.171
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.116
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.60