CVE-2026-25278 Time-of-check Time-of-use (TOCTOU) Race Condition in Automotive Software platform based on QNX
A race condition in Qualcomm Snapdragon automotive software allows memory corruption during I2C transfers, potentially enabling code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-25278?
CVE-2026-25278 is a high-severity vulnerability in Qualcomm Qam8255p Firmware, published on 17 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory Corruption when processing I2C transfer requests due to a race condition between memory allocation and data copying.
Weakness: CWE-367
Which versions are affected by CVE-2026-25278?
It affects 29 products.
Products include Qualcomm Lemans Au Lgit Firmware, Qualcomm Lemansau Firmware, Qualcomm Qam8255p Firmware, Qualcomm Qam8295p Firmware, Qualcomm Qam8620p Firmware, Qualcomm Qamsrv1h Firmware and 23 more.
How do I fix CVE-2026-25278?
No fix has been published for CVE-2026-25278 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-25278 being exploited?
There is no known exploitation of CVE-2026-25278 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Qam8255p Firmware
Sources
Also known as GHSA-2mj3-25xq-r4px.