---
id: CVE-2026-25278
title: >-
  Memory Corruption when processing I2C transfer requests due to a race
  condition between memory allocation and data copying.
summary: >-
  Memory Corruption when processing I2C transfer requests due to a race
  condition between memory allocation and data copying.
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-367
vendor: qualcomm
product: lemans_au_lgit_firmware
affected:
  - lemans_au_lgit_firmware
  - lemansau_firmware
  - qam8255p_firmware
  - qam8295p_firmware
  - qam8620p_firmware
  - qamsrv1h_firmware
  - qamsrv1m_firmware
  - qca6574au_firmware
  - qca6595_firmware
  - qca6595au_firmware
  - qca6688aq_firmware
  - qca6696_firmware
  - qca6698aq_firmware
  - qca6797aq_firmware
  - qca8695au_firmware
  - sa6155p_firmware
  - sa7255p_firmware
  - sa7775p_firmware
  - sa8155p_firmware
  - sa8195p_firmware
  - sa8255p_firmware
  - sa8295p_firmware
  - sa8540p_firmware
  - sa8620p_firmware
  - sa8770p_firmware
  - sa9000p_firmware
  - srv1h_firmware
  - srv1l_firmware
  - srv1m_firmware
published: '2026-09-17'
updated: '2026-09-22'
sourceUpdated: '2026-09-22T19:21:05.403'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-25278'
references:
  - url: >-
      https://docs.qualcomm.com/product/publicresources/securitybulletin/september-2026-bulletin.html
    label: product-security@qualcomm.com
tags:
  - nvd
  - cve.org
epss: 0.00052
epssPercentile: 0.00002
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-17T14:37:08.902332Z'
ingestedAt: '2026-09-17T05:11:38.054Z'
---

## Overview

Memory Corruption when processing I2C transfer requests due to a race condition between memory allocation and data copying.

## Affected

- `lemans_au_lgit_firmware`
- `lemansau_firmware`
- `qam8255p_firmware`
- `qam8295p_firmware`
- `qam8620p_firmware`
- `qamsrv1h_firmware`
- `qamsrv1m_firmware`
- `qca6574au_firmware`
- `qca6595_firmware`
- `qca6595au_firmware`
- `qca6688aq_firmware`
- `qca6696_firmware`
- `qca6698aq_firmware`
- `qca6797aq_firmware`
- `qca8695au_firmware`
- `sa6155p_firmware`
- `sa7255p_firmware`
- `sa7775p_firmware`
- `sa8155p_firmware`
- `sa8195p_firmware`
- `sa8255p_firmware`
- `sa8295p_firmware`
- `sa8540p_firmware`
- `sa8620p_firmware`
- `sa8770p_firmware`
- `sa9000p_firmware`
- `srv1h_firmware`
- `srv1l_firmware`
- `srv1m_firmware`

## Remediation

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