Home/CVE/Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to
CVE

CVE-2025-54518

Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to

Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to corrupt instructions executed at a different privilege level, potentially resulting in privilege escalation.

EPSS 0.00014
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0

Scoring & Timeline

Published to NVD15 May 2026 · 05:16 AM
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

Vendor Advisories

15
suse-csafSUSE-SU-2026:1998-1
suse-csafSUSE-SU-2026:1933-1
suse-csafSUSE-SU-2026:1959-1
suse-csafSUSE-SU-2026:1978-1
suse-csafSUSE-SU-2026:1899-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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