CVE-2021-26363 Information disclosure in Athlon™ Series
A malicious application can manipulate reserved DRAM values to expose sensitive data, affecting AMD Athlon and Ryzen processors.
- 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-2021-26363?
CVE-2021-26363 is a medium-severity vulnerability in Amd Radeon Software, published on 12 May 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A malicious or compromised UApp or ABL could potentially change the value that the ASP uses for its reserved DRAM, to one outside of the fenced area, potentially leading to data exposure.
Which versions are affected by CVE-2021-26363?
It affects 34 products.
Products include Amd Radeon Software, Amd Ryzen 3 3100 Firmware, Amd Ryzen 3 3300g Firmware, Amd Ryzen 3 3300x Firmware, Amd Ryzen 3 5125c Firmware, Amd Ryzen 3 5400u Firmware and 28 more.
How do I fix CVE-2021-26363?
No fix has been published for CVE-2021-26363 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-26363 being exploited?
There is no known exploitation of CVE-2021-26363 in the wild and no public exploit code.
Other vulnerabilities in Amd Radeon Software
- CVE-2023-20586 Radeon™ Software Crimson ReLive Edition
- CVE-2023-20598 Privilege escalation in Ryzen™ 7020 Series Processors with Radeon™ Graphics
- CVE-2020-12892 Path traversal in AMD Radeon Software
- CVE-2020-12893 Memory corruption in AMD Radeon Software
- CVE-2020-12895 Memory corruption in AMD Radeon Software
Sources
Also known as GHSA-v2rv-5w2r-qqhg.