CVE-2023-2898 Null dereference in Kernel

What is CVE-2023-2898?

CVE-2023-2898 is a medium-severity vulnerability in Debian Debian Linux, published on 26 May 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

There is a null-pointer-dereference flaw found in f2fs_write_end_io in fs/f2fs/data.c in the Linux kernel. This flaw allows a local privileged user to cause a denial of service problem.

Weakness: CWE-362, CWE-476

Which versions are affected by CVE-2023-2898?

It affects 7 products.

Products include Debian Debian Linux, Linux kernel, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware, Netapp H500s Firmware and 1 more.

How do I fix CVE-2023-2898?

Apply the vendor's patch.

Is CVE-2023-2898 being exploited?

There is no known exploitation of CVE-2023-2898 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2023-2898, GHSA-c8cv-8gr5-5v2w, UBUNTU-CVE-2023-2898.