CVE-2025-40266 Affecting kernel-uek-debug-modules-wireless package, versions <0:6.12.0-108.64.6.3.el10uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.03% (8th percentile)

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  • Snyk IDSNYK-ORACLE10-KERNELUEKDEBUGMODULESWIRELESS-15331558
  • published23 Feb 2026
  • disclosed4 Dec 2025

Introduced: 4 Dec 2025

CVE-2025-40266  (opens in a new tab)

How to fix?

Upgrade Oracle:10 kernel-uek-debug-modules-wireless to version 0:6.12.0-108.64.6.3.el10uek or higher.
This issue was patched in ELSA-2026-50112.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-debug-modules-wireless package and not the kernel-uek-debug-modules-wireless package as distributed by Oracle. See How to fix? for Oracle:10 relevant fixed versions and status.

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

KVM: arm64: Check the untrusted offset in FF-A memory share

Verify the offset to prevent OOB access in the hypervisor FF-A buffer in case an untrusted large enough value [U32_MAX - sizeof(struct ffa_composite_mem_region) + 1, U32_MAX] is set from the host kernel.

CVSS Base Scores

version 3.1