Red Hat Security Advisory: kpatch-patch-4_18_0-553_30_1, kpatch-patch-4_18_0-553_40_1, kpatch-patch-4_18_0-553_53_1
Affects Red HatSource GCVE Database
Not known to be exploited.
Data as of 29 Oct 2026, 10:37 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 47% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 11 Feb 2026
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 provided official kernel live patch modules to fix this vulnerability. Systems running the affected kernel version should apply the kpatch updates as per Red Hat's guidance and reboot the system to activate the patch. Refer to Red Hat's article https://access.redhat.com/articles/11258 for detailed update instructions.
Description
A security advisory from Red Hat addresses a potential use-after-free vulnerability in the libceph component of the Linux kernel, specifically in the have_mon_and_osd_map() function. This issue is fixed via kernel live patch modules targeted for kernel version 4.18.0-553.30.1.el8_10. The advisory rates the security impact as moderate and requires a system reboot after applying the update.