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 SOCKEMPTY instead of NUMANONODE. This improper handling can lead to a system panic during the allocation of UV hub information structures, resulting in a Denial of Service...

CVE-2026-31542

CVE-2026-31542 affects the Linux kernel x86/platform/uv component. When a socket is deconfigured, it is mapped to SOCK_EMPTY (0xffff) instead of NUMA_NO_NODE, causing a panic during allocation of UV hub info structures and potentially DoS. The fixes patch the behavior to allocate on valid NUMA no...

PT-2026-34894

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the x86 platform UV component where deconfigured sockets are mapped to SOCK EMPTY 0xffff. This mapping leads to a system panic during the allocation of UV hub info...