Linux Kernel: Zen1 HW Divider Leakage via FPDSS
CVE-2026-31628 Published on April 24, 2026

x86/CPU: Fix FPDSS on Zen1
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.

NVD


Products Associated with CVE-2026-31628

Want to know whenever a new CVE is published for Linux Kernel? stack.watch will email you.

 

Affected Versions

Linux: Linux: