#VU114902 Memory leak in Linux kernel - CVE-2025-39684
Published: September 8, 2025
Vulnerability identifier: #VU114902
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-39684
CWE-ID: CWE-401
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 perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the do_insnlist_ioctl() and do_insn_ioctl() functions in drivers/comedi/comedi_fops.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/3cd212e895ca2d58963fdc6422502b10dd3966bb
- https://git.kernel.org/stable/c/868a1b68dcd9f2805bb86aa64862402f785d8c4a
- https://git.kernel.org/stable/c/aecf0d557ddd95ce68193a5ee1dc4c87415ff08a
- https://git.kernel.org/stable/c/d84f6e77ebe3359394df32ecd97e0d76a25283dc
- https://git.kernel.org/stable/c/f3b0c9ec54736f3b8118f93a473d22e11ee65743
- https://git.kernel.org/stable/c/ff4a7c18799c7fe999fa56c5cf276e13866b8c1a