CVE-2026-52909 Affecting kernel-uek64k-modules-desktop package, versions <0:6.12.0-206.104.3.3.el9uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.12% (3rd percentile)

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  • Snyk IDSNYK-ORACLE9-KERNELUEK64KMODULESDESKTOP-19599709
  • published5 Sept 2026
  • disclosed19 Jun 2026

Introduced: 19 Jun 2026

CVE-2026-52909  (opens in a new tab)

How to fix?

Upgrade Oracle:9 kernel-uek64k-modules-desktop to version 0:6.12.0-206.104.3.3.el9uek or higher.
This issue was patched in ELSA-2026-500248.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek64k-modules-desktop package and not the kernel-uek64k-modules-desktop package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

ip6_vti: set netns_immutable on the fallback device.

john1988 and Noam Rathaus reported that vti6_init_net() does not set the netns_immutable flag on the per-netns fallback tunnel device (ip6_vti0).

Other similar tunnel drivers (like ip6_tunnel, sit, ip6_gre, and ip_tunnel) correctly set this flag during their fallback device initialization to prevent them from being moved to another network namespace.

CVSS Base Scores

version 3.1