cve/2021/CVE-2021-46905.md

CVE-2021-46905

Description

In the Linux kernel, the following vulnerability has been resolved:net: hso: fix NULL-deref on disconnect regressionCommit 8a12f8836145 ("net: hso: fix null-ptr-deref during tty deviceunregistration") fixed the racy minor allocation reported by syzbot, butintroduced an unconditional NULL-pointer dereference on every disconnectinstead.Specifically, the serial device table must no longer be accessed afterthe minor has been released by hso_serial_tty_unregister().

POC

Reference

No PoCs from references.

Github

• https://github.com/fkie-cad/nvd-json-data-feeds