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CVE-2026-25278— Time-of-check Time-of-use (TOCTOU) Race Condition in Automotive Software platform based on QNX

Quick assessment

Affected
Qualcomm, Inc. Snapdragon
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在处理 I2C 传输请求时，由于内存分配与数据复制之间的竞态条件，导致内存损坏。

CVSS 7.8 · High

Possible ATT&CK Techniques 1 AI

T1215
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I. Basic Information for CVE-2026-25278

Vulnerability Information
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Vulnerability Title
Time-of-check Time-of-use (TOCTOU) Race Condition in Automotive Software platform based on QNX
Source: CVE Program / CVE List V5
Vulnerability Description
Memory Corruption when processing I2C transfer requests due to a race condition between memory allocation and data copying.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Qualcomm, Inc. Snapdragon LeMans_AU_LGIT -

II. Public POCs for CVE-2026-25278

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III. Intelligence Information for CVE-2026-25278

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Same Patch Batch · Qualcomm, Inc. · 2026-09-17 · 15 CVEs total

CVE-2026-25283 8.8 HIGH Stack-based Buffer Overflow in OOBM
CVE-2026-25282 7.9 HIGH Out-of-bounds Read in OOBM
CVE-2026-25290 7.8 HIGH Integer Overflow or Wraparound in OOBM
CVE-2026-25280 7.8 HIGH Out-of-bounds Write in DSP Service
CVE-2026-24075 7.8 HIGH Buffer Over-read in Qualcomm IPC
CVE-2026-24074 7.8 HIGH Out-of-bounds Write in Video
CVE-2026-24073 7.8 HIGH Out-of-bounds Write in Video
CVE-2025-59607 7.8 HIGH Untrusted Pointer Dereference in Windows Compute
CVE-2026-25275 7.5 HIGH Buffer Over-read in WLAN Firmware
CVE-2026-25294 7.4 HIGH Buffer Over-read in WLAN Firmware
CVE-2026-25281 7.4 HIGH Allocation of Resources Without Limits or Throttling in OOBM
CVE-2026-24081 7.4 HIGH Buffer Over-read in BT Controller
CVE-2026-25284 7.3 HIGH Buffer Over-read in OOBM
CVE-2026-25261 6.7 MEDIUM Untrusted Pointer Dereference in Camera

IV. Related Vulnerabilities

Same product: Snapdragon
Same vendor: Qualcomm, Inc.
Same weakness: CWE-367

V. Comments for CVE-2026-25278

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