CVE-2020-36766 Information disclosure in n/a
Unprivileged users can read one byte of kernel memory via the CEC API due to uninitialized struct padding.
- 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-2020-36766?
CVE-2020-36766 is a low-severity vulnerability in Linux kernel, published on 18 Sep 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in the Linux kernel before 5.8.6. drivers/media/cec/core/cec-api.c leaks one byte of kernel memory on specific hardware to unprivileged users, because of directly assigning log_addrs with a hole in the struct.
Which versions are affected by CVE-2020-36766?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2020-36766?
Upgrade to a fixed version.
Is CVE-2020-36766 being exploited?
There is no known exploitation of CVE-2020-36766 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2020-36766, GHSA-7qgc-m2cg-2rh4, UBUNTU-CVE-2020-36766.