CVE-2023-20548
CVE-2023-20548 is a high-severity vulnerability in Amd Rocm with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-367.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v4: 7.1
- EPSS exploit prediction: 0% (1st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-24727
- Weakness: CWE-367
- Affected product: Amd Rocm
- Published:
- Last modified:
Description
A Time-of-check time-of-use (TOCTOU) race condition in the AMD Secure Processor (ASP) could allow an attacker to corrupt memory resulting in loss of integrity, confidentiality, or availability.
Frequently asked questions
- What is CVE-2023-20548?
- A Time-of-check time-of-use (TOCTOU) race condition in the AMD Secure Processor (ASP) could allow an attacker to corrupt memory resulting in loss of integrity, confidentiality, or availability.
- How severe is CVE-2023-20548?
- CVE-2023-20548 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-20548 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-20548?
- CVE-2023-20548 primarily affects Amd Rocm. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-20548?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2023-20548 have an EU (EUVD) identifier?
- Yes. CVE-2023-20548 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-24727.
- When was CVE-2023-20548 published?
- CVE-2023-20548 was published on 2026-02-11 and last updated on 2026-06-17.
References
Affected products (5)
- cpe:2.3:a:amd:rocm:*:*:*:*:*:*:*:*
- cpe:2.3:a:amd:radeon_software:*:*:*:*:pro:*:*:*
- cpe:2.3:a:amd:radeon_software:*:*:*:*:adrenalin:*:*:*
- cpe:2.3:o:amd:radeon_vii_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:radeon_pro_vii_firmware:-:*:*:*:*:*:*:*
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