AMD EPYC™ 9004 Series Processors: Exposure of Resource to Wrong Sphere
CVE-2025-54502 is a high-severity exposure of resource to wrong sphere vulnerability in AMD EPYC™ 9004 Series Processors from AMD, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited with local access to the system by an attacker with administrator privileges, without any action from a user. There is no confirmed exploitation so far. EPSS estimates a 0.15% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of AMD EPYC™ 9004 Series Processors you run against the affected versions below, and install the vendor's latest release.
Affected products and versions
Version data comes from the organisation that assigned the CVE; 35 further products are omitted here. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- LocalThe attacker needs local access or must trick a user into running something.
- Attack complexity
- HighSuccess depends on conditions outside the attacker's control.
- Privileges required
- HighAdministrator-level access is required first.
- User interaction
- NoneNo action by a victim is required.
- Scope
- ChangedThe attack can reach beyond the vulnerable component into other systems.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H. Scored by CNA.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 4.0 | 7.1 | High | CNA (amd.com) |
| CVSS 3.1 | 7.5 | High | CNA |
Official description
Incorrect use of boot service in the AMD Platform Configuration Blob (APCB) SMM driver could allow a privileged attacker with local access (Ring 0) to achieve privilege escalation potentially resulting in arbitrary code execution.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Exposure of Resource to Wrong Sphere
The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.
More Exposure of Resource to Wrong Sphere vulnerabilities (CWE-668)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Other references
Other vulnerabilities in AMD EPYC™ 9004 Series Processors
- 7.0 High severity
- 8.5 High severity
- 7.0 High severity
- 8.5 High severity
- 8.3 High severity
- 7.1 High severity
Recent Exposure of Resource to Wrong Sphere vulnerabilities
- 8.8 High severity
- 8.8 High severity
- 7.2 High severity
- 9.8 Critical severity
- 8.8 High severity
- 7.5 High severity
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