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CVE-2026-31692VulnerabilityPublished Updated

Red Hat Security Advisory: kernel security update

Affects Linux kernelSource GCVE Database

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Mentioned vulnerabilities

Not known to be exploited.

Data as of 29 Oct 2026, 07:28 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

EPSS
0.1% chance of exploitation in 30 days – higher than 1% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 31 Jul 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

AI-suggested

Red Hat has released updated kernel packages that address these vulnerabilities. Users should apply the security update promptly and reboot their systems to ensure the fixes take effect. Red Hat strongly advises against delaying these updates due to the kernel's critical security role. For detailed update instructions, refer to Red Hat's official guidance at https://access.redhat.com/articles/11258.

Description

Red Hat has released an important security advisory addressing multiple vulnerabilities in the Linux kernel packages for Red Hat Enterprise Linux 8. The fixes cover issues such as missing capability checks in rtnetlink, unsafe access to master conntrack in netfilter, false positives in fanotify permission events, and a use-after-free (UAF) vulnerability in the network scheduler. These kernel vulnerabilities could impact system security due to the kernel's critical role. The update requires a system reboot to take effect.

References

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