PT-2026-34401 · Linux · Linux Kernel

CVE-2026-31496

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Published

2026-04-22

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Updated

2026-07-20

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description An issue exists in the netfilter component, specifically within nf conntrack expect, where expectations residing in other network namespaces (netns) were not properly skipped when accessed via proc. This could allow the dumping of expectations from different network namespaces.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

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Related Identifiers

CVE-2026-31496
ECHO-AA22-7486-9A48
OESA-2026-2581
OPENSUSE-SU-2026:20826-1
SUSE-SU-2026:2068-1
SUSE-SU-2026:21834-1
SUSE-SU-2026:21841-1
SUSE-SU-2026:21845-1
SUSE-SU-2026:21860-1
SUSE-SU-2026:21876-1
SUSE-SU-2026:21877-1
SUSE-SU-2026:21916-1
SUSE-SU-2026:21919-1
SUSE-SU-2026:2217-1
SUSE-SU-2026:2238-1
USN-8567-1

Affected Products

Linux Kernel