Red Hat Security Advisory: kpatch-patch-4_18_0-553_109_1, kpatch-patch-4_18_0-553_125_1, kpatch-patch-4_18_0-553_53_1
Affects Red HatSource GCVE Database
Not known to be exploited.
Data as of 30 Oct 2026, 11:52 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- EPSS
- 1.3% chance of exploitation in 30 days – higher than 71% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 23 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
Public exploit code: GitHub proofs of concept
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), GitHub proofs of concept, the Metasploit, Exploit-DB and nuclei-templates index as of 24 Oct 2026.
What to do
AI-suggested
Red Hat has released updated kpatch packages for Red Hat Enterprise Linux 8 that fix this vulnerability. Users should apply the provided kpatch updates for kernel-4.18.0-553.53.1.el8_10 as detailed in the Red Hat advisory (RHSA-2026:44004). Instructions for applying the update are available at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated or required beyond applying the official patch.
Description
A security vulnerability identified as CVE-2026-53359 affects the Red Hat Enterprise Linux 8 kernel, specifically the kpatch live patch module for kernel version 4.18.0-553.53.1.el8_10. The flaw is a use-after-free issue in the KVM x86 shadow paging implementation caused by an unexpected role. Red Hat has issued a security advisory with updated kpatch packages to address this vulnerability.