Red Hat Security Advisory: container-tools:4.0 security update
Affects Red Hat container-tools:4.0Source 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 8 Feb 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 an official security update for the container-tools:4.0 module that addresses CVE-2024-21626. Users should apply the update as described in Red Hat advisory RHSA-2024:0757 and the referenced article https://access.redhat.com/articles/11258 to remediate the vulnerability. Since this is an official fix, applying the update is the recommended mitigation. No additional or alternative mitigations are specified by the vendor.
Description
A security update for Red Hat's container-tools module addresses a file descriptor leak vulnerability in runc (CVE-2024-21626). The issue affects container management tools including podman, buildah, skopeo, and runc. The vulnerability has been rated as important by Red Hat and is associated with a high severity level. Public exploit code is available via Metasploit. The update is available for Red Hat Enterprise Linux 8.6 Extended Update Support and related variants.
References
- access.redhat.com/errata/RHSA-2024:0757 (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_0757.json (opens in a new tab)