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CVE-2024-21626VulnerabilityPublished Updated

Red Hat Security Advisory: Red Hat build of MicroShift 4.16.24 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 26 Nov 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 4.16.24 that fix the file descriptor leak vulnerability. Users should apply these updates as soon as they are available in the RPM repository. Detailed installation and update instructions are provided in Red Hat's official documentation. Since a fix is available, applying the official update is the recommended mitigation.

Description

Red Hat has issued a security update for its MicroShift 4.16.24 build addressing a file descriptor leak vulnerability in runc (CVE-2024-21626). MicroShift is a lightweight Kubernetes orchestration solution for edge device deployments. The update includes RPM packages and container images to fix this issue. Users of Red Hat build of MicroShift 4.16 are advised to apply these updates promptly. The vulnerability has a high severity rating and public exploit code is available via Metasploit. Detailed installation instructions are provided in Red Hat's documentation.

References

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