Vulnerability in Amd 2nd Gen Epyc™
CVE-2021-26338
Improper access controls in System Management Unit (SMU) may allow for an attacker to override performance control tables located in DRAM resulting in a potential lack of system resources.
EPSS: 0.009 (55.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Amd 2nd Gen Epyc™ — versions unspecified
- Amd 3rd Gen Epyc™ — versions unspecified
- Amd Epyc_7232p
- Amd Epyc_7232p_firmware
- Amd Epyc_7252
- Amd Epyc_7252_firmware
- Amd Epyc_7262
- Amd Epyc_7262_firmware
- Amd Epyc_7272
- Amd Epyc_7272_firmware
Weakness classification (CWE)
References
- psirt@amd.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-26338?
- CVE-2021-26338 is a high-severity vulnerability in Amd 2nd Gen Epyc™, classified under Improper Access Control. CVSS score: 7.5/10. Published 2021-11-16.
- How severe is CVE-2021-26338?
- High severity. CVSS v3 base score is 7.5 out of 10.