CVE-2021-46769 Other in 2nd Gen AMD EPYC™
A privileged attacker can exploit insufficient input validation in the AMD EPYC bootloader to execute arbitrary DMA copies, leading to code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-46769?
CVE-2021-46769 is a high-severity vulnerability in Amd Epyc 7232p Firmware, published on 9 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to execute arbitrary DMA copies, which can lead to code execution.
Weakness: CWE-20
Which versions are affected by CVE-2021-46769?
It affects 48 products.
Products include Amd Epyc 7232p Firmware, Amd Epyc 7252 Firmware, Amd Epyc 7262 Firmware, Amd Epyc 7272 Firmware, Amd Epyc 7282 Firmware, Amd Epyc 72f3 Firmware and 42 more.
How do I fix CVE-2021-46769?
No fix has been published for CVE-2021-46769 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-46769 being exploited?
There is no known exploitation of CVE-2021-46769 in the wild and no public exploit code.
Other vulnerabilities in Amd Epyc 7232p Firmware
Sources
Also known as GHSA-mpjx-f8cq-rgh6.