#VU117724 Use-after-free in Linux kernel - CVE-2025-40037
Published: October 28, 2025
Vulnerability identifier: #VU117724
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-2025-40037
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 simplefb_destroy(), simplefb_detach_genpds(), simplefb_attach_genpds() and simplefb_probe() functions in drivers/video/fbdev/simplefb.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.