CVE-2026-31628

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.

More information : https://git.kernel.org/stable/c/0548529af20e68c6552817834b766646dd3bd7a7