Red Hat Security Advisory: OpenShift Container Platform 4.17.7 security update
Affects Red HatSource GCVE Database
Public exploit available (Metasploit) · 18% EPSS.
Data as of 29 Oct 2026, 10:36 UTC
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
Disclosed: evidence found.
CVE published 3 Dec 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
- access.redhat.com/errata/RHSA-2024:10520 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- access.redhat.com/security/vulnerabilities/RHSB-2024-001 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2258725 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_10520.json (opens in a new tab)