#VU114244 Use-after-free in Linux kernel - CVE-2025-38577
Published: August 20, 2025
Vulnerability identifier: #VU114244
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-2025-38577
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 f2fs_update_inode_page() function in fs/f2fs/inode.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/42f9ea16aea8b49febaa87950a006a1792209f38
- https://git.kernel.org/stable/c/4732ca17c17f5062426cfa982f43593e6b81963b
- https://git.kernel.org/stable/c/880ef748e78a1eb7df2d8e11a9ef21e98bcaabe5
- https://git.kernel.org/stable/c/97df495d754116c8c28ac6a4112f831727bde887
- https://git.kernel.org/stable/c/9bbfe83924946552c4c513099c0e8c83af76311a
- https://git.kernel.org/stable/c/a509a55f8eecc8970b3980c6f06886bbff0e2f68