---
id: CVE-2026-80617
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  net: airoha: fix foe_check_time allocation size

  foe_check_time is declared as u16 pointer but was allocated with
  only ppe_num_entries bytes instead of ppe_num_entries …
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  net: airoha: fix foe_check_time allocation size

  foe_check_time is declared as u16 pointer but was allocated with
  only ppe_num_entries bytes instead of ppe_num_entries …
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
published: '2026-08-28'
updated: '2026-08-29'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-80617'
references:
  - url: 'https://git.kernel.org/stable/c/112b5eff24e044561ee9599a0d34e0fcea1df4e0'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/5c121ee635680c93d7074becf14cfbaac140f80d'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/9f7cd1e26d2f1766438edc9b9254f2c618f9ae98'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
epss: 0.00702
epssPercentile: 0.5125
ingestedAt: '2026-08-29T23:43:56.282Z'
---

## Overview

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

net: airoha: fix foe_check_time allocation size

foe_check_time is declared as u16 pointer but was allocated with
only ppe_num_entries bytes instead of ppe_num_entries * sizeof(u16).

When airoha_ppe_foe_verify_entry() is called with hash >= ppe_num_entries/2,
it writes beyond the allocated buffer, causing heap buffer overflow and
potential kernel crash.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.