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CVE-2024-21626VulnerabilityPublished Updated

Red Hat Security Advisory: OpenShift Container Platform 4.17.7 security update

Affects Red HatSource GCVE Database

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Public exploit available (Metasploit) · 18% EPSS.

Data as of 29 Oct 2026, 10:36 UTC

Severity
High

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 3 Dec 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 MicroShift 4.17.7 that fix the file descriptor leak vulnerability. Users should apply these updates as soon as they are available in the RPM repository. Detailed installation instructions will be provided in the updated MicroShift documentation. No additional mitigation steps are indicated by the vendor advisory.

Description

Red Hat has released a security update for OpenShift Container Platform 4.17.7 addressing a file descriptor leak vulnerability in runc (CVE-2024-21626). This issue affects the Red Hat build of MicroShift, a lightweight Kubernetes orchestration solution for edge devices. The vulnerability could lead to resource exhaustion due to leaked file descriptors. Updated RPM packages and container images are available to fix this issue. Users of MicroShift 4.17 are advised to apply these updates promptly.

References

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