Use After Free Affecting zephyrproject-rtos/zephyr package, versions [0,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UNMANAGED-ZEPHYRPROJECTRTOSZEPHYR-17954819
- published12 Jul 2026
- disclosed12 Jul 2026
- creditUnknown
Introduced: 12 Jul 2026
CVE-2026-10667 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Use After Free in the dynamic kernel-object tracking process when handling obj_list under certain spinlock conditions. An attacker can cause kernel memory corruption or a system crash by racing object allocation and release operations from unprivileged user threads across CPUs. This is only exploitable if the system is configured with CONFIG_SMP, CONFIG_USERSPACE, and CONFIG_DYNAMIC_OBJECTS enabled.