VDB

CVE-2015-7837

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% · 22.3th percentile

Risk Scores

EPSS Score
0.07%
22.3th percentile

Affected Products

VendorProductVersions
Ubuntu:Pro:FIPS-updates:24.04:LTSlinux-gcp-fips6.8.0-1037.39+fips1, 6.8.0-1036.38+fips1, 0
Ubuntu:Pro:FIPS-updates:20.04:LTSlinux-gcp-fips5.4.0-1124.133+fips1, 5.4.0-1122.131+fips1, 5.4.0-1120.129+fips1
Ubuntu:Pro:20.04:LTSlinux-azure-fde-5.155.15.0-1061.70~20.04.1.1, 5.15.0-1042.49~20.04.1.1, 5.15.0-1041.48~20.04.1.1
Ubuntu:Pro:20.04:LTSlinux-azure-5.15*, 5.15.0-1064.73~20.04.1, *
Ubuntu:24.04:LTSlinux-oracle-6.170, 6.17.0-1004.4~24.04.2, 6.17.0-1007.7~24.04.1
Ubuntu:22.04:LTSlinux-realtime5.15.0-1032.35, 0
Ubuntu:22.04:LTSlinux-riscv-6.8*, *, *
Ubuntu:Pro:Realtime:24.04:LTSlinux-realtime-6.146.14.0-1014.14~24.04.1, *, *
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-79.79.1~22.04.1, *, *
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1015.17~22.04.2, 6.8.0-1017.20~22.04.1, 6.8.0-1020.23~22.04.1
Ubuntu:Pro:FIPS-updates:22.04:LTSlinux-azure-fips5.15.0-1095.104+fips1, 0, *
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-91.101, 5.15.0-125.135, 5.15.0-110.120
Ubuntu:Pro:FIPS-updates:24.04:LTSlinux-fips6.8.0-38.38+fips4, 6.8.0-78.78+fips1, 6.8.0-79.79+fips1
Ubuntu:Pro:FIPS-updates:20.04:LTSlinux-fips5.4.0-1072.81, 5.4.0-1107.117, 5.4.0-1100.110
Ubuntu:24.04:LTSlinux-realtime0, 6.8.1-1015.16
Ubuntu:24.04:LTSlinux-aws-6.146.14.0-1015.15~24.04.1, 6.14.0-1016.16~24.04.1, 6.14.0-1018.18~24.04.1
Ubuntu:Pro:20.04:LTSlinux-nvidia-tegra-5.155.15.0-1047.47~20.04.1, 5.15.0-1048.48~20.04.1, 5.15.0-1050.50~20.04.1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1052.57, 5.15.0-1049.54, 5.15.0-1053.58
Ubuntu:Pro:Realtime:22.04:LTSlinux-realtime-6.86.8.1-1007.7~22.04.1, *, *
Ubuntu:Pro:18.04:LTSlinux-raspi-5.45.4.0-1069.79~18.04.1, 5.4.0-1070.80~18.04.1, 5.4.0-1071.81~18.04.1

…and 133 more

Timeline

  • Oct 15, 2015 CVE Published
  • Feb 4, 2022 EPSS Score
  • Mar 29, 2022 EPSS Score
  • May 20, 2022 EPSS Score
  • Jul 12, 2022 EPSS Score
  • Sep 3, 2022 EPSS Score
  • Dec 18, 2022 EPSS Score
  • Feb 8, 2023 EPSS Score
  • Mar 7, 2023 EPSS Score
  • Apr 2, 2023 EPSS Score
  • May 25, 2023 EPSS Score
  • Jul 16, 2023 EPSS Score

References

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