CVE-2021-47355

CVE-2021-47355 relates to the Linux kernel ATM nicstar driver. The issue is a use-after-free in nicstar_cleanup() caused by removing a timer with del_timer() instead of del_timer_sync(), which may allow the timer handler to still run after the device removal. The fix ensures the timer finishes an...

CVE-2021-47355

In the Linux kernel, the following vulnerability has been resolved: atm: nicstar: Fix possible use-after-free in nicstarcleanup This module's remove path calls deltimer. However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running...