Red Hat Security Advisory: kernel security, bug fix, and enhancement update
Affects Red Hat kernel security,Source GCVE Database
Not known to be exploited.
Data as of 29 Oct 2026, 11:33 UTC
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
Disclosed: evidence found.
CVE published 4 Aug 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
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red Hat Product Security Red Hat | Affected
| 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.