Vulnerability in Linux

CVE-2025-71148

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (2.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-71148: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

  • Linux — versions 3b3009ea8abb713b022d94fba95ec270cf6e7eae, 6.4, 0
  • Linux Kernel — versions 6.19

References

Frequently asked questions

What is CVE-2025-71148?
CVE-2025-71148 is a low-severity vulnerability in Linux. CVSS score: 3.3/10. Published 2026-01-23.
How severe is CVE-2025-71148?
Low severity. CVSS v3 base score is 3.3 out of 10.