The Linux kernel, as used in Red Hat Enterprise Linux 7, kernel-rt, and Enterprise MRG 2 and when booted with UEFI Secure Boot enabled, allows local users to bypass intended securelevel/secureboot restrictions by leveraging improper handling of secure_boot flag across kexec reboot.
5.3.0-18.195.3.0-24.265.4.0-100.1135.4.0-104.1185.4.0-105.1195.4.0-107.1215.4.0-109.1235.4.0-110.1245.4.0-113.1275.4.0-117.132+109 more5.13.0-19.195.15.0-100.1105.15.0-101.1115.15.0-102.1125.15.0-105.1155.15.0-106.1165.15.0-107.1175.15.0-112.1225.15.0-113.1235.15.0-116.126+67 more6.5.0-9.96.6.0-14.146.8.0-11.116.8.0-20.206.8.0-22.226.8.0-28.286.8.0-31.316.8.0-35.356.8.0-36.366.8.0-38.38+21 more4.2.0-16.194.2.0-17.214.2.0-19.234.3.0-1.104.3.0-2.114.3.0-5.164.3.0-6.174.3.0-7.184.4.0-10.254.4.0-11.26+49 more4.4.0-93.1166.11.0-8.86.12.0-12.126.12.0-15.156.12.0-16.166.14.0-10.106.14.0-11.116.14.0-13.136.14.0-15.156.14.0-22.226.14.0-23.23+1 more4.13.0-16.195.13.0-1005.65.15.0-1002.45.15.0-1003.55.15.0-1004.65.15.0-1005.75.15.0-1008.105.15.0-1009.115.15.0-1011.145.15.0-1013.175.15.0-1014.18+59 more4.4.0-1001.104.4.0-1003.124.4.0-1004.134.4.0-1007.164.4.0-1009.184.4.0-1011.204.4.0-1012.214.4.0-1013.224.4.0-1016.254.4.0-1017.26+7 more4.4.0-1032.415.3.0-1003.35.3.0-1008.95.3.0-1009.105.3.0-1010.115.4.0-1005.55.4.0-1007.75.4.0-1008.85.4.0-1009.95.4.0-1011.115.4.0-1015.15+100 more6.5.0-1008.86.6.0-1001.16.8.0-1001.16.8.0-1006.66.8.0-1008.86.8.0-1009.96.8.0-1010.106.8.0-1011.126.8.0-1012.136.8.0-1013.14+17 moreExploitability
AV:LAC:LPR:LUI:NScope
S:UImpact
C:NI:HA:NCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N