CVE-2023-2124 Memory corruption in Kernel

What is CVE-2023-2124?

CVE-2023-2124 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 15 May 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 memory access flaw was found in the Linux kernel’s XFS file system in how a user restores an XFS image after failure (with a dirty log journal). This flaw allows a local user to crash or potentially escalate their privileges on the system.

Weakness: CWE-787

Which versions are affected by CVE-2023-2124?

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-2023-2124?

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-2023-2124 being exploited?

There is no known exploitation of CVE-2023-2124 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
• How this page is made

Also known as AZL-26781, CVE-2023-34255, DEBIAN-CVE-2023-2124, UBUNTU-CVE-2023-2124, openSUSE-SU-2024:12981-1.