#VU109506 Use-after-free in Linux kernel - CVE-2025-37922
Published: May 21, 2025 / Updated: May 21, 2025
Vulnerability identifier: #VU109506
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-2025-37922
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 radix__vmemmap_populate() function in arch/powerpc/mm/book3s64/radix_pgtable.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/400be767deaf31a073c6d14c5d151ae5ac2a60e2
- https://git.kernel.org/stable/c/7f5476d80f2cb364701cd1fa138a14b241ca99e9
- https://git.kernel.org/stable/c/9a8d4d7072d4df108479b1adc4b0840e96f6f61d
- https://git.kernel.org/stable/c/9cf7e13fecbab0894f6986fc6986ab2eba8de52e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.28
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.90