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...

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...