UBUNTU-CVE-2021-47456

In the Linux kernel, the following vulnerability has been resolved: can: peakpci: peakpciremove: fix UAF When remove the module peekpci, referencing 'chan' again after releasing 'dev' will cause UAF. Fix this by releasing 'dev' later. The following log reveals it: 35.961814 BUG: KASAN:...