🔐 CVE Alert

CVE-2026-31628

UNKNOWN 0.0

x86/CPU: Fix FPDSS on Zen1

CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th

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.

Vendor linux
Product linux
Ecosystems
Industries
Technology
Published Apr 24, 2026
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Affected Versions

Linux / Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ed7a3a246309ccc807238f1b4f159ee6d37ff9c4 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 0548529af20e68c6552817834b766646dd3bd7a7 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1272cfedf4cd1019ddf583917a99b62f2d3645bb 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 91f02726b2203b71545713ecb7fb006e60a2d66f 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b731aca06387b195058a9f6449a03b62efa1bd10 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ad17f07e95e6e8505e2153e5b391f0d27eacce25 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < e6af5286efe5a56128b34032572c9ce9ebeccda3 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 546785c719418c6166834a47e372a88f5f7ae893
Linux / Linux
All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗
git.kernel.org: https://git.kernel.org/stable/c/ed7a3a246309ccc807238f1b4f159ee6d37ff9c4 git.kernel.org: https://git.kernel.org/stable/c/0548529af20e68c6552817834b766646dd3bd7a7 git.kernel.org: https://git.kernel.org/stable/c/1272cfedf4cd1019ddf583917a99b62f2d3645bb git.kernel.org: https://git.kernel.org/stable/c/91f02726b2203b71545713ecb7fb006e60a2d66f git.kernel.org: https://git.kernel.org/stable/c/b731aca06387b195058a9f6449a03b62efa1bd10 git.kernel.org: https://git.kernel.org/stable/c/ad17f07e95e6e8505e2153e5b391f0d27eacce25 git.kernel.org: https://git.kernel.org/stable/c/e6af5286efe5a56128b34032572c9ce9ebeccda3 git.kernel.org: https://git.kernel.org/stable/c/546785c719418c6166834a47e372a88f5f7ae893