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CVE-2026-74705VulnerabilityPublished Updated

Red Hat Security Advisory: kernel security update

Affects Linux kernelSource GCVE Database

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Not known to be exploited.

Data as of 2 Nov 2026, 04:58 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Oct 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 1 Nov 2026.

What to do

AI-suggested

Red Hat has released updated kernel packages that fix this vulnerability. Users should apply the security update for Red Hat Enterprise Linux 9.6 as detailed in Red Hat advisory RHSA-2026:79784 and reboot affected systems to activate the patch. Red Hat recommends treating all kernel updates as security-relevant and advises against delaying the update.

Description

A security update for the Linux kernel in Red Hat Enterprise Linux 9.6 addresses a potential use-after-free vulnerability in the UDP tunnel segmentation code (CVE-2026-74705). This flaw could impact system security due to the kernel's critical role. Red Hat has released patches for affected kernel packages and recommends applying the update and rebooting the system to mitigate the issue.

References

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