CVE-2026-31542

A flaw was found in the Linux kernel's x86/platform/uv component. When a socket is deconfigured, it is incorrectly mapped to SOCK_EMPTY instead of NUMA_NO_NODE. This improper handling can lead to a system panic during the allocation of UV hub information structures, resulting in a Denial of Service (DoS) for the affected system.

A Moderate flaw was found in the Linux kernel's x86/platform/uv component. This issue can lead to a system panic and Denial of Service on affected Red Hat Enterprise Linux and Red Hat In-Vehicle OS systems when a socket is deconfigured, due to improper handling of the deconfigured socket state.

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.