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CVE-2024-21626VulnerabilityPublished Updated

Red Hat Security Advisory: OpenShift Container Platform 4.11.58 packages and security update

Affects Red HatSource GCVE Database

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Public exploit available (Metasploit) · 18% EPSS.

Data as of 29 Oct 2026, 07:15 UTC

Severity
Medium

Rated by Threat Radar · No CVSS score from NVD or the CNA

EPSS
18.9% chance of exploitation in 30 days – higher than 97% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 Feb 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: evidence found.

    1 Metasploit module

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

AI-suggested

Red Hat has released updated RPM packages and container images for OpenShift Container Platform 4.11.58 that fix the CVE-2024-21626 vulnerability. Users should upgrade their OpenShift clusters to these updated packages and images via the OpenShift CLI (oc) or web console as soon as they are available in the appropriate release channels. Detailed upgrade instructions are provided by Red Hat at https://docs.openshift.com/container-platform/4.11/updating/updating-cluster-cli.html. No other mitigation actions are specified or required.

Description

Red Hat OpenShift Container Platform 4.11.58 includes a security update addressing a file descriptor leak vulnerability in runc, identified as CVE-2024-21626 and nicknamed "Leaky Vessels." This vulnerability is rated as moderate severity by Red Hat Product Security. The update is available via RPM packages and container images. Users of OpenShift Container Platform 4.11 are advised to upgrade to these updated packages and images through the appropriate release channels using the OpenShift CLI or web console. The vulnerability has public exploit code available in Metasploit, but no known exploitation in the wild has been reported. Detailed upgrade instructions are provided by Red Hat.

References

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