CVE-2026-31496

Updated on 22 Apr 2026

Severity

5.5 Medium severity

Details

CVSS score
5.5
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Overview

About vulnerability

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nf_conntrack_expect: skip expectations in other netns via proc

Skip expectations that do not reside in this netns.

Similar to e77e6ff502ea (“netfilter: conntrack: do not dump other netns’s conntrack entries via proc”).

Details

Affected packages:
kernel @ 4.18.0 (+15 more)

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nf_conntrack_expect: skip expectations in other netns via proc

Skip expectations that do not reside in this netns.

Similar to e77e6ff502ea (“netfilter: conntrack: do not dump other netns’s conntrack entries via proc”).

Fixes