Qualcomm I2C Driver MemCorruption Race Condition
CVE-2026-25278 Published on September 17, 2026
Time-of-check Time-of-use (TOCTOU) Race Condition in Automotive Software platform based on QNX
Memory Corruption when processing I2C transfer requests due to a race condition between memory allocation and data copying.
Vulnerability Analysis
CVE-2026-25278 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a TOCTTOU Vulnerability?
The software checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the software to perform invalid actions when the resource is in an unexpected state. This weakness can be security-relevant when an attacker can influence the state of the resource between check and use. This can happen with shared resources such as files, memory, or even variables in multithreaded programs.
CVE-2026-25278 has been classified to as a TOCTTOU vulnerability or weakness.
Products Associated with CVE-2026-25278
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Affected Versions
Qualcomm, Inc. Snapdragon:- Version LeMans_AU_LGIT is affected.
- Version LeMansAU is affected.
- Version QAM8255P is affected.
- Version QAM8295P is affected.
- Version QAM8620P is affected.
- Version QAMSRV1H is affected.
- Version QAMSRV1M is affected.
- Version QCA6574AU is affected.
- Version QCA6595 is affected.
- Version QCA6595AU is affected.
- Version QCA6688AQ is affected.
- Version QCA6696 is affected.
- Version QCA6698AQ is affected.
- Version QCA6797AQ is affected.
- Version QCA8695AU is affected.
- Version SA6155P is affected.
- Version SA7255P is affected.
- Version SA7775P is affected.
- Version SA8155P is affected.
- Version SA8195P is affected.
- Version SA8255P is affected.
- Version SA8295P is affected.
- Version SA8540P is affected.
- Version SA8620P is affected.
- Version SA8770P is affected.
- Version SA9000P is affected.
- Version SRV1H is affected.
- Version SRV1L is affected.
- Version SRV1M is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.