CVE-2026-43203

The CVE covers a Linux kernel fore200e ATM driver use-after-free during device removal (PCA-200E/SBA-200E). Vulnerability arises when tx_tasklet/rx_tasklet run or pending after fore200e is freed, risking access to freed memory. The published fixes synchronize tasklets with device shutdown by addi...

CVE-2026-43203 atm: fore200e: fix use-after-free in tasklets during device removal

In the Linux kernel, the following vulnerability has been resolved: atm: fore200e: fix use-after-free in tasklets during device removal When the PCA-200E or SBA-200E adapter is being detached, the fore200e is deallocated. However, the txtasklet or rxtasklet may still be running or pending, leadin...