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CVE-2024-21626VulnerabilityPublished Updated

Red Hat Security Advisory: OpenShift Container Platform 4.14.11 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 7 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 packages and container images for OpenShift Container Platform 4.14.11 that fix this vulnerability. Users should upgrade to these updated packages and images as soon as they are available in the appropriate release channels. Upgrades can be performed using the OpenShift Console or the CLI (oc command). Detailed upgrade instructions are provided in the official Red Hat OpenShift documentation. No additional mitigations are specified or required beyond applying the official update.

Description

Red Hat OpenShift Container Platform 4.14.11 includes a security update addressing a file descriptor leak vulnerability in runc, tracked as CVE-2024-21626 and nicknamed "Leaky Vessels." This flaw could lead to unintended information disclosure through leaked file descriptors. The issue is rated with moderate severity. Updated packages and container images are available, and users are advised to upgrade their clusters accordingly.

References

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