Out-of-bounds Read in Amd 2nd Gen Epyc™ Processors
CVE-2021-26345
Failure to validate the value in APCB may allow a privileged attacker to tamper with the APCB token to force an out-of-bounds memory read potentially resulting in a denial of service.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (35.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 1.9 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Amd 2nd Gen Epyc™ Processors — versions various
- Amd 3rd Gen Epyc™ Processors — versions various
- Amd 4th Gen Epyc™ Processors — versions various
- Amd Epyc™ Embedded 7002 — versions various
- Amd Epyc™ Embedded 7003 — versions various
- Amd Epyc_7203
- Amd Epyc_7203_firmware
- Amd Epyc_7203p
- Amd Epyc_7203p_firmware
- Amd Epyc_7232p
Weakness classification (CWE)
References
- psirt@amd.com (vendor-advisory, Vendor Advisory)
- psirt@amd.com
Frequently asked questions
- What is CVE-2021-26345?
- CVE-2021-26345 is a low-severity vulnerability in Amd 2nd Gen Epyc™ Processors, classified under Out-of-bounds Read. CVSS score: 1.9/10. Published 2023-11-14.
- How severe is CVE-2021-26345?
- Low severity. CVSS v3 base score is 1.9 out of 10.