#VU114966 Memory leak in Linux kernel - CVE-2025-39686
Published: September 8, 2025
Vulnerability identifier: #VU114966
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-2025-39686
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 insn_rw_emulate_bits() function in drivers/comedi/drivers.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/7afba9221f70d4cbce0f417c558879cba0eb5e66
- https://git.kernel.org/stable/c/842f307a1d115b24f2bcb2415c4e344f11f55930
- https://git.kernel.org/stable/c/92352ed2f9ac422181e381c2430c2d0dfb46faa0
- https://git.kernel.org/stable/c/ab77e85bd3bc006ef40738f26f446a660813da44
- https://git.kernel.org/stable/c/ae8bc1f07bcb31b8636420e03d1f9c3df6219a2b
- https://git.kernel.org/stable/c/dc0a2f142d655700db43de90cb6abf141b73d908