Bug 2422687 (CVE-2025-68195) - CVE-2025-68195 kernel: x86/CPU/AMD: Add missing terminator for zen5_rdseed_microcode
Summary: CVE-2025-68195 kernel: x86/CPU/AMD: Add missing terminator for zen5_rdseed_mi...
Keywords:
Status: NEW
Alias: CVE-2025-68195
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-12-16 14:03 UTC by OSIDB Bzimport
Modified: 2026-06-29 20:17 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2025-12-16 14:03:48 UTC 
In the Linux kernel, the following vulnerability has been resolved:

x86/CPU/AMD: Add missing terminator for zen5_rdseed_microcode

Running x86_match_min_microcode_rev() on a Zen5 CPU trips up KASAN for an out
of bounds access.
Comment 1 Alexander B 2025-12-17 02:57:40 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025121636-CVE-2025-68195-98fc@gregkh/T
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