Red Hat Security Advisory: docker security update
Affects Red Hat dockerSource GCVE Database
Public exploit available (Metasploit) · 18% EPSS.
Data as of 29 Oct 2026, 10:09 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 12 Mar 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 Docker packages addressing this vulnerability for Red Hat Enterprise Linux 7 on x86_64, s390x, and ppc64le architectures. Users should apply these official patches as detailed in Red Hat advisory RHSA-2024:1270 and the linked article https://access.redhat.com/articles/11258. Since patches are available, applying these updates is the recommended mitigation. No additional vendor advisories indicate that no action is required or that the issue is already mitigated.
Description
A security update for Docker on Red Hat Enterprise Linux addresses a file descriptor leak vulnerability in runc (CVE-2024-21626). This vulnerability could potentially expose sensitive information due to improper handling of file descriptors. Red Hat has rated this update as important and has released patches for affected Red Hat Enterprise Linux 7 variants.
References
- access.redhat.com/errata/RHSA-2024:1270 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- access.redhat.com/security/vulnerabilities/CVE-2024-21626 (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_1270.json (opens in a new tab)