#VU116879 Resource management error in Linux kernel - CVE-2025-39955
Published: October 9, 2025
Vulnerability identifier: #VU116879
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-2025-39955
CWE-ID: CWE-399
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 resource management error within the tcp_disconnect() function in net/ipv4/tcp.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/17d699727577814198d744d6afe54735c6b54c99
- https://git.kernel.org/stable/c/33a4fdf0b4a25f8ce65380c3b0136b407ca57609
- https://git.kernel.org/stable/c/45c8a6cc2bcd780e634a6ba8e46bffbdf1fc5c01
- https://git.kernel.org/stable/c/7ec092a91ff351dcde89c23e795b73a328274db6
- https://git.kernel.org/stable/c/a4378dedd6e07e62f2fccb17d78c9665718763d0
- https://git.kernel.org/stable/c/ae313d14b45eca7a6bb29cb9bf396d977e7d28fb
- https://git.kernel.org/stable/c/dfd06131107e7b699ef1e2a24ed2f7d17c917753
- https://git.kernel.org/stable/c/fa4749c065644af4db496b338452a69a3e5147d9