CVE-2023-2194 Memory corruption in Linux kernel: i2c: xgene-slimpro

What is CVE-2023-2194?

CVE-2023-2194 is a medium-severity memory corruption vulnerability in Fedoraproject Fedora, published on 20 Apr 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An out-of-bounds write vulnerability was found in the Linux kernel's SLIMpro I2C device driver. The userspace "data->block[0]" variable was not capped to a number between 0-255 and was used as the size of a memcpy, possibly writing beyond the end of dma_buffer. This flaw could allow a local privileged user to crash the system or potentially achieve code execution.

Weakness: CWE-787

Which versions are affected by CVE-2023-2194?

It affects 3 products.

Products include Fedoraproject Fedora, Linux kernel, Redhat Enterprise Linux.

How do I fix CVE-2023-2194?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-2194 being exploited?

There is no known exploitation of CVE-2023-2194 in the wild and no public exploit code.

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All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-26317, DEBIAN-CVE-2023-2194, GHSA-477g-m6gf-5gg8, UBUNTU-CVE-2023-2194.