Resource management error in Linux kernel - CVE-2025-39913
Published: October 1, 2025 / Updated: February 27, 2026
Vulnerability identifier: #VU116249
CSH Severity: Low
CVSS v4.0: 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:P/U:Clear
CVE-ID: CVE-2025-39913
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability 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_bpf_send_verdict() function in net/ipv4/tcp_bpf.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2025-39913
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/539920180c55f5e13a2488a2339f94e6b8cb69e0
- https://git.kernel.org/stable/c/66bcb04a441fbf15d66834b7e3eefb313dd750c8
- https://git.kernel.org/stable/c/9c2a6456bdf9794474460d885c359b6c4522d6e3
- https://git.kernel.org/stable/c/a3967baad4d533dc254c31e0d221e51c8d223d58
- https://git.kernel.org/stable/c/de89e58368f8f07df005ecc1c86ad94898a999f2