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CVE-2026-74564 Affecting kernel-uek-debug-modules-deprecated package, versions <0:6.12.0-206.104.3.3.el10uek

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.12% (3rd percentile)

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  • Snyk IDSNYK-ORACLE10-KERNELUEKDEBUGMODULESDEPRECATED-19614362
  • published5 Sept 2026
  • disclosed15 Aug 2026
Report a new vulnerability Found a mistake?

Introduced: 15 Aug 2026

NewCVE-2026-74564  (opens in a new tab)

How to fix?

Upgrade Oracle:10 kernel-uek-debug-modules-deprecated to version 0:6.12.0-206.104.3.3.el10uek or higher.
This issue was patched in ELSA-2026-500248.

NVD Description

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

netfilter: xt_hashlimit: validate hashtable supports XT_HASHLIMIT_RATE_MATCH

The XT_HASHLIMIT_RATE_MATCH flag mode changes the semantics of the dsthash_ent structure which represents an entry in the hashtable. There is a union area which uses a different layout to express the rate match mode.

Update .checkentry path to validate the XT_HASHLIMIT_RATE_MATCH mode flag is requested by two or more different rules that refer to the same hashtable. Otherwise, uninitialized access to the burst field in the union is possible.

Reject the use of the XT_HASHLIMIT_RATE_MATCH mode flag if set on by revision less than 3 too.