The __get_user_asm_ex macro in arch/x86/include/asm/uaccess.h in the Linux kernel before 4.7.5 does not initialize a certain integer variable, which allows local users to obtain sensitive information from kernel stack memory by triggering failure of a get_user_ex call.
3.11.0-12.193.12.0-1.33.12.0-2.53.12.0-2.73.12.0-3.83.12.0-3.93.12.0-4.103.12.0-4.123.12.0-5.133.12.0-7.15+110 more3.13.0-132.1814.2.0-16.194.2.0-17.214.2.0-19.234.3.0-1.104.3.0-2.114.3.0-5.164.3.0-6.174.3.0-7.184.4.0-10.254.4.0-11.26+25 more4.4.0-47.684.4.0-1002.24.4.0-1001.104.15.0-1023.24~14.04.14.11.0-1009.94.4.0-9019.204.10.0-1004.44.4.0-1003.34.8.0-36.36~16.04.1Exploitability
AV:LAC:LPR:LUI:NScope
S:UImpact
C:HI:NA:NCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N