cve/2021/CVE-2021-3753.md

CVE-2021-3753

Description

A race problem was seen in the vt_k_ioctl in drivers/tty/vt/vt_ioctl.c in the Linux kernel, which may cause an out of bounds read in vt as the write access to vc_mode is not protected by lock-in vt_ioctl (KDSETMDE). The highest threat from this vulnerability is to data confidentiality.

POC

Reference

No PoCs from references.

Github

• https://github.com/ARPSyndicate/cvemon