CVE-2026-31542

Published: Apr 24, 2026Modified: Apr 28, 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	From 6.13 to 6.18.20
Linux Linux Kernel	From 6.19 to 6.19.10
Linux Linux Kernel	From 6.5 to 6.6.130
Linux Linux Kernel	From 6.7 to 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