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  1. CVEs
  2. CVE-2026-31628
  1. CVEs

CVE-2026-31628

medium
  • Information
  • CPEs
  • Plugins

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.

References

https://cert-portal.siemens.com/productcert/html/ssa-019113.html

https://git.kernel.org/stable/c/ed7a3a246309ccc807238f1b4f159ee6d37ff9c4

https://git.kernel.org/stable/c/e6af5286efe5a56128b34032572c9ce9ebeccda3

https://git.kernel.org/stable/c/e55d98e7756135f32150b9b8f75d580d0d4b2dd3

https://git.kernel.org/stable/c/b731aca06387b195058a9f6449a03b62efa1bd10

https://git.kernel.org/stable/c/ad17f07e95e6e8505e2153e5b391f0d27eacce25

https://git.kernel.org/stable/c/91f02726b2203b71545713ecb7fb006e60a2d66f

https://git.kernel.org/stable/c/546785c719418c6166834a47e372a88f5f7ae893

https://git.kernel.org/stable/c/1272cfedf4cd1019ddf583917a99b62f2d3645bb

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

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-25521

https://cert-portal.siemens.com/productcert/html/ssa-082556.html

Details

Source: Mitre, NVD

Published: 2026-04-24

Updated: 2026-07-14

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00171

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