Vulnerability Description
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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-7052.html
- http://www.openwall.com/lists/oss-security/2026/05/12/15
- http://xenbits.xen.org/xsa/advisory-490.html
- https://access.redhat.com/errata/RHSA-2026:50978
- https://access.redhat.com/errata/RHSA-2026:50979
- https://access.redhat.com/errata/RHSA-2026:53329
- https://access.redhat.com/errata/RHSA-2026:53989
- https://access.redhat.com/errata/RHSA-2026:53990
- https://access.redhat.com/errata/RHSA-2026:54769
- https://access.redhat.com/errata/RHSA-2026:55444
- https://access.redhat.com/errata/RHSA-2026:56573
- https://access.redhat.com/security/cve/CVE-2025-54518
- https://bugzilla.redhat.com/show_bug.cgi?id=2477784
- https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-54518.json
FAQ
What is CVE-2025-54518?
CVE-2025-54518 is a vulnerability with a CVSS score of 7.0 (HIGH). 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 resul...
How severe is CVE-2025-54518?
CVE-2025-54518 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-54518?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.