CVE-2020-36766 Information disclosure in n/a

Low 3.3 Published Updated

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.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2020-36766, GHSA-7qgc-m2cg-2rh4, UBUNTU-CVE-2020-36766.

Is CVE-2020-36766 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free