CVE-2021-26354 Memory corruption in 2nd Gen AMD EPYC™ Processors
Insufficient bounds checking in AMD ASP allows attackers to zero out arbitrary memory, compromising system integrity.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-26354?
CVE-2021-26354 is a medium-severity memory corruption vulnerability in Amd Epyc 7232p Firmware, published on 9 May 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Insufficient bounds checking in ASP may allow an attacker to issue a system call from a compromised ABL which may cause arbitrary memory values to be initialized to zero, potentially leading to a loss of integrity.
Weakness: CWE-120
Which versions are affected by CVE-2021-26354?
It affects 152 products.
Products include Amd Amd 3015ce Firmware, Amd Amd 3015e Firmware, Amd Epyc 7002 Firmware, Amd Epyc 7003 Firmware, Amd Epyc 7232p Firmware, Amd Epyc 7252 Firmware and 146 more.
How do I fix CVE-2021-26354?
No fix has been published for CVE-2021-26354 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-2021-26354 being exploited?
There is no known exploitation of CVE-2021-26354 in the wild and no public exploit code.
Other vulnerabilities in Amd Epyc 7232p Firmware
- CVE-2021-26365 Information disclosure in Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”
- CVE-2020-12930 Privilege escalation in AMD Radeon RX 5000 Series & PRO W5000 Series
- CVE-2020-12931 Privilege escalation in AMD Radeon RX 5000 Series & PRO W5000 Series
- CVE-2021-26392 Memory corruption in AMD Radeon RX 5000 Series & PRO W5000 Series
- CVE-2021-26371 Information disclosure in 1st Gen AMD EPYC™ Processors
Sources
Also known as GHSA-v3h7-q6cc-vp5h.