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CVE-2025-68214VulnerabilityPublished Updated

Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Affects Red Hat kernel security,Source GCVE Database

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Not known to be exploited.

Data as of 29 Oct 2026, 11:33 UTC

Severity
Low

Rated by Threat Radar · CVSS not yet scored by NVD

EPSS
0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: 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 29 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Red Hat Product Security Red HatAffected
  • Red Hat
  • Red Hat Enterprise Linux
  • Red Hat Enterprise Linux AppStream (v. 9)
  • Red Hat Enterprise Linux BaseOS (v. 9)
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
Fixed in–

AI-suggested

Red Hat has released an updated kernel package that addresses this vulnerability. Users should apply the update promptly and reboot their systems to ensure the fix takes effect. Red Hat recommends treating all kernel errata as security-relevant and advises against delaying updates. No additional mitigation actions are specified.

Description

A denial of service vulnerability (CVE-2025-68214) exists in the Linux kernel used by Red Hat Enterprise Linux 9. It is caused by a NULL function pointer race condition during timer shutdown. Red Hat has released a kernel update addressing this issue along with other bug fixes and enhancements. The update requires a system reboot to take effect. The security impact is rated as low by Red Hat Product Security.

References

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