CVE-2026-31496

MEDIUM

netfilter: nf_conntrack_expect: skip expectations in other netns via proc

Title source: cna
STIX 2.1

Description

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").

References (8)

Core 8

Scores

CVSS v3 5.5
EPSS 0.0012
EPSS Percentile 2.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (22)
linux/Kernel 2.6.28 - 6.1.168linux
linux/Kernel 6.13.0 - 6.18.21linux
linux/Kernel 6.19.0 - 6.19.11linux
linux/Kernel 6.2.0 - 6.6.131linux
linux/Kernel 6.7.0 - 6.12.80linux
Linux/Linux < 2.6.28
Linux/Linux 2.6.28
Linux/Linux 6.1.168 - 6.1.*
Linux/Linux 6.12.80 - 6.12.*
Linux/Linux 6.18.21 - 6.18.*
... and 12 more
Published Apr 22, 2026
Tracked Since Apr 22, 2026