VDB

CVE-2016-9604

CVE-2016-9604 PUBLISHED

It was discovered in the Linux kernel before 4.11-rc8 that root can gain direct access to an internal keyring, such as '.dns_resolver' in RHEL-7 or '.builtin_trusted_keys' upstream, by joining it as its session keyring. This allows root to bypass module signature verification by adding a new public key of its own devising to the keyring.

EPSS 0.02% · 5.1th percentile

Risk Scores

EPSS Score
0.02%
5.1th percentile

Affected Products

VendorProductVersions
Ubuntu:20.04:LTSlinux-riscv5.4.0-28.32, 5.4.0-34.38, 5.4.0-33.37
Ubuntu:24.04:LTSlinux-hwe-6.11*, 0, 6.11.0-25.25~24.04.1
Ubuntu:18.04:LTSlinux-hwe5.0.0-31.33~18.04.1, *, *
Ubuntu:24.04:LTSlinux-azure-6.116.11.0-1015.15~24.04.1, 6.11.0-1017.17~24.04.1, 6.11.0-1013.13~24.04.1
Ubuntu:20.04:LTSlinux-gke5.4.0-1059.62, 5.4.0-1057.60, 5.4.0-1055.58
Ubuntu:18.04:LTSlinux-gcp4.15.0-1009.9, 4.15.0-1008.8, 4.15.0-1021.22
Ubuntu:Pro:20.04:LTSlinux-azure-fde-5.155.15.0-1073.82~20.04.1.1, 5.15.0-1088.97~20.04.1.1, 5.15.0-1089.98~20.04.1.1
Ubuntu:20.04:LTSlinux-azure-fde5.4.0-1068.71+cvm1.1, 5.4.0-1100.106+cvm1.1, 5.4.0-1098.104+cvm1.1
Ubuntu:20.04:LTSlinux-raspi25.3.0-1017.19, 0, 5.4.0-1006.6
Ubuntu:16.04:LTSlinux-snapdragon4.4.0-1048.52, 4.4.0-1013.14, 4.4.0-1012.12
Ubuntu:16.04:LTSlinux-hwe*, 4.10.0-28.32~16.04.2, 4.10.0-27.30~16.04.2
Ubuntu:24.04:LTSlinux-gcp-6.110, 6.11.0-1006.6~24.04.2, 6.11.0-1011.11~24.04.1
Ubuntu:16.04:LTSlinux4.2.0-19.23, 4.3.0-1.10, 4.4.0-71.92
Ubuntu:16.04:LTSlinux-gke4.4.0-1006.6, 4.4.0-1008.8, 0
Ubuntu:22.04:LTSlinux-realtime5.15.0-1032.35, 0
Ubuntu:22.04:LTSlinux-riscv5.15.0-1008.8, 5.15.0-1027.31, 5.15.0-1020.23
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.116.11.0-1016.17~24.04.1, 6.11.0-1015.16~24.04.2, 6.11.0-1014.15~24.04.1
Ubuntu:14.04:LTSlinux3.13.0-35.62, 3.12.0-1.3, 3.13.0-93.140
Ubuntu:24.04:LTSlinux-raspi-realtime0, 6.8.0-2019.20
Ubuntu:14.04:LTSlinux-lts-xenial*, 4.4.0-59.80~14.04.1, 4.4.0-62.83~14.04.1

…and 6 more

Timeline

  • Dec 31, 2016 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
  • Oct 26, 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
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