CVE-2020-12965 Information disclosure in All supported processors
AMD CPUs may leak data via transient execution of non-canonical loads using lower address bits, requiring microcode updates.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-12965?
CVE-2020-12965 is a high-severity vulnerability in AMD All supported processors, published on 4 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
When combined with specific software sequences, AMD CPUs may transiently execute non-canonical loads and store using only the lower 48 address bits potentially resulting in data leakage.
Weakness: CWE-74
Which versions are affected by CVE-2020-12965?
It affects 63 products.
Products include Amd Athlon 3050ge Firmware, Amd Athlon 3150g Firmware, Amd Athlon 3150ge Firmware, Amd Athlon Gold Pro 3150g Firmware, Amd Athlon Gold Pro 3150ge Firmware, Amd Athlon Pro 200ge Firmware and 57 more.
How do I fix CVE-2020-12965?
Apply the vendor's patch.
Is CVE-2020-12965 being exploited?
There is no known exploitation of CVE-2020-12965 in the wild and no public exploit code.
Other vulnerabilities in AMD All supported processors
Sources
Also known as GHSA-wg28-p94j-5hp8.