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CVE-2015-7837 PUBLISHED

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.

EPSS 0.07% · 22.0th percentile

Risk Scores

EPSS Score
0.07%
22.0th percentile

Affected Products

VendorProductVersions
Ubuntu:Pro:FIPS-updates:24.04:LTSlinux-gcp-fips6.8.0-1046.49+fips1, 6.8.0-1045.48+fips1, 6.8.0-1037.39+fips1
Ubuntu:Pro:FIPS-updates:20.04:LTSlinux-gcp-fips5.4.0-1122.131+fips1, 5.4.0-1081.88+fips1, 5.4.0-1069.73+fips2
Ubuntu:Pro:20.04:LTSlinux-azure-fde-5.155.15.0-1052.60~20.04.1.1, 5.15.0-1103.112~20.04.1.1, 5.15.0-1102.111~20.04.1.1
Ubuntu:Pro:20.04:LTSlinux-azure-5.155.15.0-1075.84~20.04.1, 5.15.0-1078.87~20.04.1, 5.15.0-1079.88~20.04.1
Ubuntu:24.04:LTSlinux-oracle-6.176.17.0-1007.7~24.04.1, 0, 6.17.0-1004.4~24.04.2
Ubuntu:22.04:LTSlinux-realtime0, 5.15.0-1032.35
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-101.101~22.04.1, 6.8.0-78.78~22.04.1, 6.8.0-79.79~22.04.1
Ubuntu:Pro:Realtime:24.04:LTSlinux-realtime-6.146.14.0-1015.15~24.04.1, 6.14.0-1014.14~24.04.1, 6.14.0-1013.13~24.04.1
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-63.66.1~22.04.1, 6.8.0-101.101.1~22.04.1, 6.8.0-100.100.1~22.04.1
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1025.30~22.04.1, 6.8.0-1026.31~22.04.1, 6.8.0-1027.32~22.04.1
Ubuntu:Pro:FIPS-updates:22.04:LTSlinux-azure-fips5.15.0-1083.92+fips1, 5.15.0-1090.99+fips1, 5.15.0-1085.94+fips1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-73.80, 0, 5.15.0-22.22
Ubuntu:Pro:FIPS-updates:24.04:LTSlinux-fips6.8.0-86.87+fips1, 6.8.0-87.88+fips1, 6.8.0-88.89+fips1
Ubuntu:Pro:FIPS-updates:20.04:LTSlinux-fips5.4.0-1065.74, 5.4.0-1069.78, 5.4.0-1070.79
Ubuntu:24.04:LTSlinux-realtime0, 6.8.1-1015.16
Ubuntu:24.04:LTSlinux-aws-6.146.14.0-1016.16~24.04.1, 6.14.0-1015.15~24.04.1, 6.14.0-1014.14~24.04.1
Ubuntu:Pro:20.04:LTSlinux-nvidia-tegra-5.155.15.0-1044.44~20.04.1, 5.15.0-1045.45~20.04.1, 5.15.0-1046.46~20.04.1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1072.77, 5.15.0-1031.36, 5.15.0-1030.35
Ubuntu:Pro:Realtime:22.04:LTSlinux-realtime-6.80, 6.8.1-1004.4~22.04.1, 6.8.1-1005.5~22.04.2
Ubuntu:Pro:18.04:LTSlinux-raspi-5.45.4.0-1131.144~18.04.1, 5.4.0-1137.150~18.04.1, 5.4.0-1136.149~18.04.1

…and 133 more

Timeline

References

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