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 ce
CVSS
5.5
Medium
EPSS
0.1%
p2
KEV
—
Exploit Today
1
0-100
Published: Apr 24, 2026 · Last modified: Oct 15, 2026
0.1%EPSS · 30 days0.2%
2026-09-272026-10-25
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.
- git.kernel.orghttps://git.kernel.org/stable/c/0548529af20e68c6552817834b766646dd3bd7a7
- git.kernel.orghttps://git.kernel.org/stable/c/1272cfedf4cd1019ddf583917a99b62f2d3645bb
- git.kernel.orghttps://git.kernel.org/stable/c/546785c719418c6166834a47e372a88f5f7ae893
- git.kernel.orghttps://git.kernel.org/stable/c/91f02726b2203b71545713ecb7fb006e60a2d66f
- git.kernel.orghttps://git.kernel.org/stable/c/ad17f07e95e6e8505e2153e5b391f0d27eacce25
- git.kernel.orghttps://git.kernel.org/stable/c/b731aca06387b195058a9f6449a03b62efa1bd10
- git.kernel.orghttps://git.kernel.org/stable/c/e55d98e7756135f32150b9b8f75d580d0d4b2dd3
- git.kernel.orghttps://git.kernel.org/stable/c/e6af5286efe5a56128b34032572c9ce9ebeccda3
- git.kernel.orghttps://git.kernel.org/stable/c/ed7a3a246309ccc807238f1b4f159ee6d37ff9c4
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-019113.html
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-082556.html
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-457936.html
No related CVEs by CWE or product.