CVE-2020-12944 Memory corruption in Athlon™ Series

What is CVE-2020-12944?

CVE-2020-12944 is a high-severity memory corruption vulnerability in Amd Epyc 7232p Firmware, published on 16 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Insufficient validation of BIOS image length by ASP Firmware could lead to arbitrary code execution.

Weakness: CWE-20

Which versions are affected by CVE-2020-12944?

It affects 57 products.

Products include Amd Epyc 7232p Firmware, Amd Epyc 7251 Firmware, Amd Epyc 7252 Firmware, Amd Epyc 7261 Firmware, Amd Epyc 7262 Firmware, Amd Epyc 7272 Firmware and 51 more.

How do I fix CVE-2020-12944?

No fix has been published for CVE-2020-12944 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2020-12944 being exploited?

There is no known exploitation of CVE-2020-12944 in the wild and no public exploit code.

Other vulnerabilities in Amd Epyc 7232p Firmware

• CVE-2021-26379 Memory corruption in 2nd Gen AMD EPYC™ Critical 9.8
• CVE-2023-20520 Memory corruption in 1st Gen AMD EPYC™ Critical 9.8
• CVE-2021-46756 Denial of service in 1st Gen AMD EPYC™ Processors Critical 9.1
• CVE-2021-46769 Other in 2nd Gen AMD EPYC™ High 8.8
• CVE-2021-26323 Memory corruption in 3rd Gen AMD EPYC™ High 7.8

All Amd Epyc 7232p Firmware vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-pfqw-wv4f-fpjx.