CVE-2023-39197 Kernel: dccp: conntrack out-of-bounds read in nf_conntrack_dccp_packet()

What is CVE-2023-39197?

CVE-2023-39197 is a medium-severity vulnerability in Fedoraproject Fedora, published on 23 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An out-of-bounds read vulnerability was found in Netfilter Connection Tracking (conntrack) in the Linux kernel. This flaw allows a remote user to disclose sensitive information via the DCCP protocol.

Weakness: CWE-125

Which versions are affected by CVE-2023-39197?

It affects 2 products.

Products include Fedoraproject Fedora, Linux kernel.

How do I fix CVE-2023-39197?

Apply the vendor's patch.

Is CVE-2023-39197 being exploited?

There is no known exploitation of CVE-2023-39197 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 DEBIAN-CVE-2023-39197, GHSA-w83m-85f8-627v, OESA-2023-1858, OESA-2023-1862, UBUNTU-CVE-2023-39197.