CVE-2026-31542

MEDIUM

x86/platform/uv: Handle deconfigured sockets

Title source: cna
STIX 2.1

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.

References (5)

Core 5

Scores

CVSS v3 5.5
EPSS 0.0012
EPSS Percentile 2.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (18)
linux/Kernel 6.13.0 - 6.18.20linux
linux/Kernel 6.19.0 - 6.19.10linux
linux/Kernel 6.5.0 - 6.6.130linux
linux/Kernel 6.7.0 - 6.12.78linux
Linux/Linux < 6.5
Linux/Linux 6.12.78 - 6.12.*
Linux/Linux 6.18.20 - 6.18.*
Linux/Linux 6.19.10 - 6.19.*
Linux/Linux 6.5
Linux/Linux 6.6.130 - 6.6.*
... and 8 more
Published Apr 24, 2026
Tracked Since Apr 24, 2026