CVE-2026-31542

Published: Apr 24, 2026Modified: Jun 17, 2026

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

In the Linux kernel, the following vulnerability has been resolved: x86/platform/uv: Handle deconfigured sockets When a socket is deconfigured, it's mapped to SOCK_EMPTY (0xffff). This causes a panic while allocating UV hub info structures. Fix this by using NUMA_NO_NODE, allowing UV hub info structures to be allocated on valid nodes.

Affected (8)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

8 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	6.13 ≤ version < 6.18.20
Linux Linux Kernel	6.19 ≤ version < 6.19.10
Linux Linux Kernel	6.5 ≤ version < 6.6.130
Linux Linux Kernel	6.7 ≤ version < 6.12.78
Linux Linux Kernel	Version 7.0 rc1
Linux Linux Kernel	Version 7.0 rc2
Linux Linux Kernel	Version 7.0 rc3
Linux Linux Kernel	Version 7.0 rc4