CVE-2021-26393 Information disclosure in AMD Radeon RX 5000 Series & PRO W5000 Series
An authenticated attacker with privileges can poison process memory in the AMD Secure Processor TEE, leading to a loss of confidentiality.
- 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-2021-26393?
CVE-2021-26393 is a medium-severity vulnerability in Amd Radeon Software, published on 9 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Insufficient memory cleanup in the AMD Secure Processor (ASP) Trusted Execution Environment (TEE) may allow an authenticated attacker with privileges to generate a valid signed TA and potentially poison the contents of the process memory with attacker controlled data resulting in a loss of confidentiality.
Weakness: CWE-401
Which versions are affected by CVE-2021-26393?
It affects 67 products.
Products include Amd Amd 3015ce Firmware, Amd Amd 3015e Firmware, Amd Amd 3020e Firmware, Amd Athlon Gold 3150c Firmware, Amd Athlon Gold 3150u Firmware, Amd Athlon Pro 3045b Firmware and 61 more.
How do I fix CVE-2021-26393?
No fix has been published for CVE-2021-26393 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-26393 being exploited?
There is no known exploitation of CVE-2021-26393 in the wild and no public exploit code.
Other vulnerabilities in Amd Radeon Software
- 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-2021-26354 Memory corruption in 2nd Gen AMD EPYC™ Processors
Sources
Also known as GHSA-p326-98p9-wprv.