CVE-2026-97967
Description
In the Linux kernel, the following vulnerability has been resolved: hwmon: (corsair-cpro) Remove debugfs entries when probe fails ccp_debugfs_init() registers debugfs files whose private data is the devm allocated ccp. If hwmon_device_register_with_info() fails right after it, ccp_probe() returns without removing them: the HID core then frees ccp, and ccp_remove() is not called for a failed probe, so the files stay behind. Reading one of them dereferences the freed pointer. Remove the debugfs entries on that error path. debugfs_remove_recursive() waits for readers already inside the show callbacks, so ccp is no longer reachable through debugfs by the time probe returns.
How to fix
- Linux Linuxae01aafd8214e48cb7eff11e92dfbf3778d52d9d, a5de53b08cc319dadce6fb68d33749ea37962952, fdc1bc23ff59ee308042342cefcb918d6efba409, 4ee875c423c66c45d7ef7bbff403cd0e3971e0a2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 5997eb60f896830126bc1783465b678b110e2fdd ≤ v < ae01aafd8214e48cb7eff11e92dfbf3778d52d9d, 5997eb60f896830126bc1783465b678b110e2fdd ≤ v < a5de53b08cc319dadce6fb68d33749ea37962952, 5997eb60f896830126bc1783465b678b110e2fdd ≤ v < fdc1bc23ff59ee308042342cefcb918d6efba409, 5997eb60f896830126bc1783465b678b110e2fdd ≤ v < 4ee875c423c66c45d7ef7bbff403cd0e3971e0a2, 6.11 | ae01aafd8214e48cb7eff11e92dfbf3778d52d9d, a5de53b08cc319dadce6fb68d33749ea37962952, fdc1bc23ff59ee308042342cefcb918d6efba409, 4ee875c423c66c45d7ef7bbff403cd0e3971e0a2 |
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