CVE-2026-72351 Affecting kernel-uek-debug-modules-extra package, versions <0:6.12.0-206.104.3.3.el10uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.75% (53rd percentile)

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  • Snyk IDSNYK-ORACLE10-KERNELUEKDEBUGMODULESEXTRA-19568690
  • published5 Sept 2026
  • disclosed15 Aug 2026

Introduced: 15 Aug 2026

NewCVE-2026-72351  (opens in a new tab)

How to fix?

Upgrade Oracle:10 kernel-uek-debug-modules-extra 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-extra package and not the kernel-uek-debug-modules-extra 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:

gue: validate REMCSUM private option length

GUE private flags can indicate that remote checksum offload metadata is present. The private flags field itself is accounted for by guehdr_flags_len(), but guehdr_priv_flags_len() currently returns 0 even when GUE_PFLAG_REMCSUM is set.

This lets a packet with only the private flags field pass validate_gue_flags(), after which gue_remcsum() and gue_gro_remcsum() read the missing REMCSUM start/offset fields from the following bytes.

Account for GUE_PLEN_REMCSUM when GUE_PFLAG_REMCSUM is present so that malformed packets are rejected during option validation.

CVSS Base Scores

version 3.1