CVE-2026-31483

Published: Apr 22, 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: s390/syscalls: Add spectre boundary for syscall dispatch table The s390 syscall number is directly controlled by userspace, but does not have an array_index_nospec() boundary to prevent access past the syscall function pointer tables.

Affected (14)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

14 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	5.12.1 ≤ version < 5.15.203
Linux Linux Kernel	5.16 ≤ version < 6.1.168
Linux Linux Kernel	6.13 ≤ version < 6.18.21
Linux Linux Kernel	6.19 ≤ version < 6.19.11
Linux Linux Kernel	6.2 ≤ version < 6.6.131
Linux Linux Kernel	6.7 ≤ version < 6.12.80
Linux Linux Kernel	Version 5.12
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
Linux Linux Kernel	Version 7.0 rc5
Linux Linux Kernel	Version 7.0 rc6
Linux Linux Kernel	Version 7.0 rc7