#VU114496 Use-after-free in Linux kernel - CVE-2025-38653
Published: August 28, 2025
Vulnerability identifier: #VU114496
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-2025-38653
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 proc_reg_open() function in fs/proc/inode.c, within the pde_set_flags() function in fs/proc/generic.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/1fccbfbae1dd36198dc47feac696563244ad81d3
- https://git.kernel.org/stable/c/33c778ea0bd0fa62ff590497e72562ff90f82b13
- https://git.kernel.org/stable/c/c35b0feb80b48720dfbbf4e33759c7be3faaebb6
- https://git.kernel.org/stable/c/d136502e04d8853a9aecb335d07bbefd7a1519a8
- https://git.kernel.org/stable/c/fc1072d934f687e1221d685cf1a49a5068318f34
- https://git.kernel.org/stable/c/ff7ec8dc1b646296f8d94c39339e8d3833d16c05