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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-31628 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/0548529af20e68c6552817834b766646dd3bd7a7 kernel.org Patch 
https://git.kernel.org/stable/c/1272cfedf4cd1019ddf583917a99b62f2d3645bb kernel.org Patch 
https://git.kernel.org/stable/c/546785c719418c6166834a47e372a88f5f7ae893 kernel.org Patch 
https://git.kernel.org/stable/c/91f02726b2203b71545713ecb7fb006e60a2d66f kernel.org Patch 
https://git.kernel.org/stable/c/ad17f07e95e6e8505e2153e5b391f0d27eacce25 kernel.org Patch 
https://git.kernel.org/stable/c/b731aca06387b195058a9f6449a03b62efa1bd10 kernel.org Patch 
https://git.kernel.org/stable/c/e55d98e7756135f32150b9b8f75d580d0d4b2dd3 kernel.org Patch 
https://git.kernel.org/stable/c/e6af5286efe5a56128b34032572c9ce9ebeccda3 kernel.org Patch 
https://git.kernel.org/stable/c/ed7a3a246309ccc807238f1b4f159ee6d37ff9c4 kernel.org Patch 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-31628
NVD Published Date:
04/24/2026
NVD Last Modified:
04/27/2026
Source:
kernel.org