CVE-2021-26365 Information disclosure in Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”

High 8.2 Published Updated

Out-of-bounds reads in firmware headers allow attackers to leak memory contents or cause denial of service on AMD processors.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-26365?

CVE-2021-26365 is a high-severity vulnerability in AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”, published on 9 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Certain size values in firmware binary headers could trigger out of bounds reads during signature validation, leading to denial of service or potentially limited leakage of information about out-of-bounds memory contents.

Weakness: CWE-125

Which versions are affected by CVE-2021-26365?

It affects 54 products.

Products include Amd Amd 3015ce Firmware, Amd Amd 3015e Firmware, Amd Ryzen 3 2200g Firmware, Amd Ryzen 3 2200ge Firmware, Amd Ryzen 3 2200u Firmware, Amd Ryzen 3 2300u Firmware and 48 more.

How do I fix CVE-2021-26365?

No fix has been published for CVE-2021-26365 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-26365 being exploited?

There is no known exploitation of CVE-2021-26365 in the wild and no public exploit code.

Sources

Also known as GHSA-49q9-hj6w-v395.

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