CVE-2025-71148

LOW

Linux kernel - Use After Free

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: net/handshake: restore destructor on submit failure handshake_req_submit() replaces sk->sk_destruct but never restores it when submission fails before the request is hashed. handshake_sk_destruct() then returns early and the original destructor never runs, leaking the socket. Restore sk_destruct on the error path.

Scores

CVSS v3 3.3
EPSS 0.0001
EPSS Percentile 3.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Classification

Status published

Affected Products (5)

linux/Kernel < 6.6.120linux
linux/Kernel < 6.12.64linux
linux/Kernel < 6.18.3linux
linux/linux_kernel < 6.6.120
linux/linux_kernel

Timeline

Published Jan 23, 2026
Tracked Since Feb 18, 2026