CVE-2026-53216 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
0.5% (40th percentile)

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  • Snyk IDSNYK-ORACLE10-KERNELUEKDEBUGMODULESEXTRA-19567933
  • published5 Sept 2026
  • disclosed25 Jun 2026

Introduced: 25 Jun 2026

CVE-2026-53216  (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:

net: mvpp2: limit XDP frame size to the RX buffer

mvpp2 has short and long BM pools, and short pool buffers can be smaller than PAGE_SIZE. The XDP path nevertheless initializes every xdp_buff with PAGE_SIZE as frame size.

XDP helpers use frame_sz to validate tail growth and to derive the hard end of the data area. Advertising PAGE_SIZE for short buffers can let bpf_xdp_adjust_tail() grow a packet past the real allocation, corrupting memory or later tripping skb tailroom checks.

Initialize the XDP buffer with bm_pool->frag_size so XDP tailroom matches the actual buffer backing the packet.

CVSS Base Scores

version 3.1