EUVD-2026-25521
GHSA-9grw-fpvr-3468
5.5
CVSS 3.1
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CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Lifecycle Timeline
2
CVSS changed
Apr 27, 2026 - 20:52 NVD
5.5 (MEDIUM)
Patch available
Apr 24, 2026 - 16:16 EUVD
DescriptionNVD
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.
Analysis
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. …
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External POC / Exploit Code
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