CVE-2025-37800
Description
In the Linux kernel, the following vulnerability has been resolved: driver core: fix potential NULL pointer dereference in dev_uevent() If userspace reads "uevent" device attribute at the same time as another threads unbinds the device from its driver, change to dev->driver from a valid pointer to NULL may result in crash. Fix this by using READ_ONCE() when fetching the pointer, and take bus' drivers klist lock to make sure driver instance will not disappear while we access it. Use WRITE_ONCE() when setting the driver pointer to ensure there is no tearing.
How to fix
- linux linux_kernel6.6.89, 6.12.26, 6.14.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 6.6.89, 6.7 ≤ v < 6.12.26, 6.13 ≤ v < 6.14.5, 6.15 | 6.6.89, 6.12.26, 6.14.5 |
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