CVE-2022-4379 Use after free in Linux kernel

What is CVE-2022-4379?

CVE-2022-4379 is a high-severity use after free vulnerability in Fedoraproject Fedora, published on 10 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A use-after-free vulnerability was found in __nfs42_ssc_open() in fs/nfs/nfs4file.c in the Linux kernel. This flaw allows an attacker to conduct a remote denial

Weakness: CWE-416

Which versions are affected by CVE-2022-4379?

It affects 2 products.

Products include Fedoraproject Fedora, Linux kernel.

How do I fix CVE-2022-4379?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2022-4379 being exploited?

There is no known exploitation of CVE-2022-4379 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

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

Also known as AZL-12950, DEBIAN-CVE-2022-4379, GHSA-4hpx-4mpp-gqwv, SUSE-SU-2023:0273-1, SUSE-SU-2023:0320-1, UBUNTU-CVE-2022-4379 and 1 more.