CVE-2025-68335 comedi: pcl818: fix null-ptr-deref in pcl818_ai_cancel()

In the Linux kernel, the following vulnerability has been resolved: comedi: pcl818: fix null-ptr-deref in pcl818aicancel Syzbot identified an issue 1 in pcl818aicancel, which stems from the fact that in case of early device detach via pcl818detach, subdevice dev-readsubdev may not have initialize...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a null pointer dereference problem in the pcl818aicancel function...