CVE-2026-31496

A flaw was found in the Linux kernel's netfilter subsystem. This vulnerability allows a local user to potentially access or view network connection tracking expectations (nf_conntrack_expect) from other network namespaces (netns) via the /proc filesystem. This could lead to information disclosure or a bypass of network isolation, compromising the intended separation between different network environments.

Moderate: A flaw in the Linux kernel's netfilter subsystem allows a local attacker to view network connection tracking expectations from other network namespaces via the /proc filesystem. This could lead to information disclosure and a bypass of network isolation, impacting the intended separation of network environments on Red Hat Enterprise Linux systems.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.