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 (11)
Core 11
Core References
Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-019113.html
Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-082556.html
Scores
CVSS v3
5.5
EPSS
0.0013
EPSS Percentile
2.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
Status
published
Products (45)
linux/Kernel
4.14.0 - 5.10.253linux
linux/Kernel
5.11.0 - 5.15.203linux
linux/Kernel
5.16.0 - 6.1.169linux
linux/Kernel
6.13.0 - 6.18.23linux
linux/Kernel
6.19.0 - 6.19.13linux
linux/Kernel
6.2.0 - 6.6.135linux
linux/Kernel
6.20.0 - 7.0.1linux
linux/Kernel
6.7.0 - 6.12.82linux
Linux/Linux
< 4.14
Linux/Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 0548529af20e68c6552817834b766646dd3bd7a7
... and 35 more
Published
Apr 24, 2026
Tracked Since
Apr 24, 2026