CVE-2021-26313 AMD Speculative Code Store Bypass
Speculative execution flaws in AMD CPUs may allow attackers to leak sensitive data via side-channel attacks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-26313?
CVE-2021-26313 is a medium-severity vulnerability in Debian Debian Linux, published on 9 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Potential speculative code store bypass in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution of overwritten instructions, may cause an incorrect speculation and could result in data leakage.
Which versions are affected by CVE-2021-26313?
It affects 8 products.
Products include Arm Cortex-A72, Broadcom Bcm2711, Debian Debian Linux, Intel Core I7-10700k, Intel Core I7-7700k, Intel Core I9-9900k and 2 more.
How do I fix CVE-2021-26313?
Apply the vendor's patch.
Is CVE-2021-26313 being exploited?
There is no known exploitation of CVE-2021-26313 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2021-26313, GHSA-vj56-jg6h-3gpr, UBUNTU-CVE-2021-26313.