Skip to main content
VulnerabilityPublished Updated

CVE-2026-53236: Important · kernel security, bug fix, and enhancement update

Affects bpftoolSource GCVE Database

0

Not known to be exploited : upgrade to 4.18.0-553.178.1.el8_10 soon.

Data as of 26 Oct 2026, 23:00 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Patch
Available – fixed in 4.18.0-553.178.1.el8_10

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 24 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 26 Oct 2026.

What to do

Upgrade the AlmaLinux to 4.18.0-553.178.1.el8_10.

Affected software

ProductAffectedFixed in
AlmaLinux 8bpftoolAffected
  • <4.18.0-553.178.1.el8_10
Fixed in
  • 4.18.0-553.178.1.el8_10
AlmaLinux 8kernelAffected
  • <4.18.0-553.178.1.el8_10
Fixed in
  • 4.18.0-553.178.1.el8_10
AlmaLinux 8kernel-abi-stablelistsAffected
  • <4.18.0-553.178.1.el8_10
Fixed in
  • 4.18.0-553.178.1.el8_10
AlmaLinux 8kernel-coreAffected
  • <4.18.0-553.178.1.el8_10
Fixed in
  • 4.18.0-553.178.1.el8_10
AlmaLinux 8kernel-cross-headersAffected
  • <4.18.0-553.178.1.el8_10
Fixed in
  • 4.18.0-553.178.1.el8_10
AlmaLinux 8kernel-debugAffected
  • <4.18.0-553.178.1.el8_10
Fixed in
  • 4.18.0-553.178.1.el8_10

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

A security update is available and should be applied promptly. The fixed kernel version is 4.18.0-553.178.1.el8_10. Systems must be rebooted after applying the update for the fixes to take effect. Red Hat recommends treating all kernel errata as security-relevant and prioritizing the installation of this update.

Description

Multiple security vulnerabilities affecting the Linux kernel have been addressed in an important update for Red Hat Enterprise Linux 8. The update includes fixes for several kernel components such as TCP, FUSE, writeback, networking, USB, SMB client, and IPv4 checksum validation. The update restricts certain operations to privileged users and resolves use-after-free and race condition issues. A reboot is required to apply the update.

References

Community reviews

Loading reviews…