CVE-2021-26367 Misconfiguration in AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics
A local attacker can misconfigure Trusted Memory Regions in AMD processors, compromising system integrity and availability.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-26367?
CVE-2021-26367 is a medium-severity vulnerability in Amd Radeon Software, published on 13 Aug 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A malicious attacker in x86 can misconfigure the Trusted Memory Regions (TMRs), which may allow the attacker to set an arbitrary address range for the TMR, potentially leading to a loss of integrity and availability.
Which versions are affected by CVE-2021-26367?
It affects 36 products.
Products include Amd Athlon Gold 3150c Firmware, Amd Athlon Gold 3150g Firmware, Amd Athlon Gold 3150u Firmware, Amd Athlon Gold Pro 3150g Firmware, Amd Athlon Gold Pro 3150ge Firmware, Amd Athlon Pro 300ge Firmware and 30 more.
How do I fix CVE-2021-26367?
No fix has been published for CVE-2021-26367 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-26367 being exploited?
There is no known exploitation of CVE-2021-26367 in the wild and no public exploit code.
Sources
Also known as GHSA-2xq4-823c-q5v9.