CVE-2026-31628
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
24/04/2026
Last modified:
24/04/2026
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
x86/CPU: Fix FPDSS on Zen1<br />
<br />
Zen1&#39;s hardware divider can leave, under certain circumstances, partial<br />
results from previous operations. Those results can be leaked by<br />
another, attacker thread.<br />
<br />
Fix that with a chicken bit.
Impact
References to Advisories, Solutions, and Tools
- https://git.kernel.org/stable/c/0548529af20e68c6552817834b766646dd3bd7a7
- https://git.kernel.org/stable/c/1272cfedf4cd1019ddf583917a99b62f2d3645bb
- https://git.kernel.org/stable/c/546785c719418c6166834a47e372a88f5f7ae893
- https://git.kernel.org/stable/c/91f02726b2203b71545713ecb7fb006e60a2d66f
- https://git.kernel.org/stable/c/ad17f07e95e6e8505e2153e5b391f0d27eacce25
- https://git.kernel.org/stable/c/b731aca06387b195058a9f6449a03b62efa1bd10
- https://git.kernel.org/stable/c/e6af5286efe5a56128b34032572c9ce9ebeccda3
- https://git.kernel.org/stable/c/ed7a3a246309ccc807238f1b4f159ee6d37ff9c4