CVE-2023-0160 Possibility of deadlock in libbpf function sock_hash_delete_elem

What is CVE-2023-0160?

CVE-2023-0160 is a medium-severity denial of service vulnerability in Fedoraproject Fedora, published on 18 Jul 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A deadlock flaw was found in the Linux kernel’s BPF subsystem. This flaw allows a local user to potentially crash the system.

Weakness: CWE-667, CWE-833

Which versions are affected by CVE-2023-0160?

It affects 2 products.

Products include Fedoraproject Fedora, Linux kernel.

How do I fix CVE-2023-0160?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-0160 being exploited?

There is no known exploitation of CVE-2023-0160 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-27536, DEBIAN-CVE-2023-0160, GHSA-m24r-p59v-q652, ROOT-OS-UBUNTU-2204-CVE-2023-0160, ROOT-OS-UBUNTU-2404-CVE-2023-0160, UBUNTU-CVE-2023-0160.