CVE-2023-2269 Denial of service in Kernel

What is CVE-2023-2269?

CVE-2023-2269 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 25 Apr 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A denial of service problem was found, due to a possible recursive locking scenario, resulting in a deadlock in table_clear in drivers/md/dm-ioctl.c in the Linux Kernel Device Mapper-Multipathing sub-component.

Weakness: CWE-667, CWE-413

Which versions are affected by CVE-2023-2269?

It affects 8 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Linux kernel, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware and 2 more.

How do I fix CVE-2023-2269?

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-2023-2269 being exploited?

There is no known exploitation of CVE-2023-2269 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-2023-2269, GHSA-354q-38f3-jh4j, UBUNTU-CVE-2023-2269.