Use After Free Affecting kernel-debug-core package, versions <0:5.14.0-687.17.1.el9_8


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.2% (11th percentile)

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  • Snyk IDSNYK-ORACLE9-KERNELDEBUGCORE-17661516
  • published28 Jun 2026
  • disclosed28 May 2026

Introduced: 28 May 2026

CVE-2026-46166  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:9 kernel-debug-core to version 0:5.14.0-687.17.1.el9_8 or higher.
This issue was patched in ELSA-2026-27789.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug-core package and not the kernel-debug-core 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:

wifi: mac80211: use safe list iteration in radar detect work

The call to ieee80211_dfs_cac_cancel can cause the iterated chanctx to be freed and removed from the list. Guard against this to avoid a slab-use-after-free error.

CVSS Base Scores

version 3.1