A flaw was found in the Linux kernel. A use-after-free was found in the way the console subsystem was using ioctls KDGKBSENT and KDSKBSENT. A local user could use this flaw to get read memory access out of bounds. The highest threat from this vulnerability is to data confidentiality.
Exploitability
AV:LAC:HPR:HUI:NScope
S:UImpact
C:HI:NA:N4.1/CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:NMemory Safety