Medium severity5.5NVD Advisory· Published Apr 24, 2026· Updated Apr 27, 2026

CVE-2026-31628

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Linux/Kernel2 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=3.16.58,<3.17
- cpe:2.3:o:linux:linux_kernel:4.14:-:*:*:*:*:*:*
osv-coords
pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Tumbleweed
Range: < 7.0.3-1.1

Patches

Vulnerability mechanics

References

git.kernel.org/stable/c/0548529af20e68c6552817834b766646dd3bd7a7nvdPatch
git.kernel.org/stable/c/1272cfedf4cd1019ddf583917a99b62f2d3645bbnvdPatch
git.kernel.org/stable/c/546785c719418c6166834a47e372a88f5f7ae893nvdPatch
git.kernel.org/stable/c/91f02726b2203b71545713ecb7fb006e60a2d66fnvdPatch
git.kernel.org/stable/c/ad17f07e95e6e8505e2153e5b391f0d27eacce25nvdPatch
git.kernel.org/stable/c/b731aca06387b195058a9f6449a03b62efa1bd10nvdPatch
git.kernel.org/stable/c/e55d98e7756135f32150b9b8f75d580d0d4b2dd3nvdPatch
git.kernel.org/stable/c/e6af5286efe5a56128b34032572c9ce9ebeccda3nvdPatch
git.kernel.org/stable/c/ed7a3a246309ccc807238f1b4f159ee6d37ff9c4nvdPatch

News mentions

No linked articles in our index yet.

cvss	0.358
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000