Security readout for executives and security teams
Plain-English summary
CVE-2023-31323 is a high-severity AMD Secure Processor issue affecting several AMD Radeon and Instinct GPU products. A local attacker could trigger a memory safety problem that may affect confidentiality, integrity, or availability. AMD lists some products with no fix planned, making asset identification important.
Executive priority
Treat this as a high-priority vulnerability for GPU-enabled endpoints and compute infrastructure. Focus first on shared systems, research clusters, AI/HPC environments, and any systems where untrusted local users can run workloads.
Technical view
The flaw is CWE-843 type confusion in the AMD Secure Processor. A malformed argument to the External Global Memory Interconnect Trusted Agent can cause a memory safety violation. The CVSS 4.0 score is 8.4 with local attack vector, low complexity, no privileges, and no user interaction.
Likely exposure
Exposure is limited to systems using the AMD products listed in AMD-SB-6024, including Radeon RX 5000, Radeon PRO W5000, Radeon VII, Radeon PRO VII, and Instinct MI210/MI250/MI300A/MI300X entries. Confirm exact software and ROCm versions against AMD’s bulletin.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not listed as KEV in the bundle. Exploitation is characterized as local, not remote, but requires no privileges or user interaction under the CVSS vector.
Researcher notes
Evidence is limited to the CVE record and AMD bulletin. The vulnerability involves ASP/XGMI TA argument handling and memory safety impact, but the sources do not provide exploit details, indicators of compromise, or confirmed exploitation in the wild.
Mitigation direction
- Review AMD-SB-6024 for product-specific remediation guidance.
- Prioritize systems running affected AMD Radeon or Instinct products.
- For Radeon VII and PRO VII, plan risk reduction because AMD lists no fix planned.
- Restrict local access to affected GPU systems where updates are unavailable.
- Track AMD updates for revised driver, software, or ROCm guidance.
Validation and detection
- Inventory AMD GPU models across workstations, servers, and compute clusters.
- Compare installed AMD Software and ROCm versions with AMD-SB-6024.
- Identify any Radeon VII or PRO VII assets requiring compensating controls.
- Confirm whether affected systems are internet-exposed management-wise, even though attack vector is local.
- Document remediation status and exceptions for systems without planned fixes.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-843: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-31323 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.4 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.4HighVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L
Source materials
- CVE List V5 sourceCVE List V5
- https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6024.htmlCVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Access of Resource Using Incompatible Type ('Type Confusion')
Access of Resource Using Incompatible Type ('Type Confusion') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.