CVE-2026-31628

Published: Apr 24, 2026Modified: Apr 27, 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/CPU: Fix FPDSS on Zen1 Zen1's hardware divider can leave, under certain circumstances, partial results from previous operations. Those results can be leaked by another, attacker thread. Fix that with a chicken bit.

Affected (12)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

12 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 3.16.58 to 3.17
Linux Linux Kernel	From 4.14.1 to 5.10.253
Linux Linux Kernel	From 4.4.144 to 4.5
Linux Linux Kernel	From 4.9.102 to 4.10
Linux Linux Kernel	From 5.11 to 5.15.203
Linux Linux Kernel	From 5.16 to 6.1.169
Linux Linux Kernel	From 6.13 to 6.18.23
Linux Linux Kernel	From 6.19 to 6.19.13
Linux Linux Kernel	From 6.2 to 6.6.135
Linux Linux Kernel	From 6.7 to 6.12.82
Linux Linux Kernel	From 7.0 to 7.0.1
Linux Linux Kernel	Version 4.14