CVE-2022-48870 tty: fix possible null-ptr-defer in spk_ttyio_release

In the Linux kernel, the following vulnerability has been resolved: tty: fix possible null-ptr-defer in spkttyiorelease Run the following tests on the qemu platform: syzkaller: modprobe speakupaudptr input: Speakup as /devices/virtual/input/input4 initialized device: /dev/synth, node MAJOR 10,...

CVE-2022-48870

In the Linux kernel, the following vulnerability has been resolved: tty: fix possible null-ptr-defer in spkttyiorelease Run the following tests on the qemu platform: syzkaller: modprobe speakupaudptr input: Speakup as /devices/virtual/input/input4 initialized device: /dev/synth, node MAJOR 10,...