Red Hat Security Advisory: kpatch-patch-4_18_0-553, kpatch-patch-4_18_0-553_16_1, kpatch-patch-4_18_0-553_30_1, and
Affects Red HatSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited.
Data as of 29 Oct 2026, 08:56 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Exploitation evidence
Disclosed: evidence found.
CVE published 2 Jun 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
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 kpatch patch modules for kernel-4.18.0-553.16.1.el8_10 that address these vulnerabilities. Users should apply the provided updates and reboot their systems to ensure the patches take effect. Detailed update instructions are available in the Red Hat article referenced in the advisory. No additional mitigation steps are indicated beyond applying the official patches and rebooting.
Description
This Red Hat security advisory addresses vulnerabilities in the kernel live patch module for kernel-4.18.0-553.16.1.el8_10. The update fixes two security issues: a missing range check in the netfilter ipset component (CVE-2024-53141) and a socket binding retention issue in the vsock component (CVE-2025-21756). The advisory rates the impact as Important and recommends applying the update and rebooting the system for the patch to take effect.
References
- access.redhat.com/errata/RHSA-2025:8345 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2330763 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2348609 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_8345.json (opens in a new tab)