VDB

CVE-2021-30178

CVE-2021-30178 PUBLISHED

An issue was discovered in the Linux kernel through 5.11.11. synic_get in arch/x86/kvm/hyperv.c has a NULL pointer dereference for certain accesses to the SynIC Hyper-V context, aka CID-919f4ebc5987.

EPSS 0.11% · 29.7th percentile

Risk Scores

EPSS Score
0.11%
29.7th percentile

Affected Products

VendorProductVersions
Ubuntu:18.04:LTSlinux-azure5.0.0-1014.14~18.04.1, 5.0.0-1036.38, 4.15.0-1009.9
Ubuntu:20.04:LTSlinux-riscv5.4.0-24.28, 5.4.0-40.45, 5.4.0-36.41
Ubuntu:20.04:LTSlinux-raspi25.4.0-1004.4, 0, 5.3.0-1007.8
Ubuntu:18.04:LTSlinux-gcp-edge4.18.0-1004.5~18.04.1, *, *
Ubuntu:18.04:LTSlinux-azure-5.35.3.0-1034.35~18.04.1, 5.3.0-1035.36, *
Ubuntu:18.04:LTSlinux-oem4.15.0-1021.24, 4.15.0-1013.16, 4.15.0-1026.31
Ubuntu:16.04:LTSlinux-hwe-edge4.13.0-25.29~16.04.2, 4.13.0-21.24~16.04.1, 4.13.0-19.22~16.04.1
Ubuntu:18.04:LTSlinux-hwe5.0.0-31.33~18.04.1, 5.0.0-25.26~18.04.1, *
Ubuntu:18.04:LTSlinux-gcp5.0.0-1033.34, 4.15.0-1036.38, 4.15.0-1037.39
Ubuntu:18.04:LTSlinux-hwe-edge5.0.0-20.21~18.04.1, 0, 5.0.0-15.16~18.04.1
Ubuntu:18.04:LTSlinux-gcp-5.35.3.0-1009.10~18.04.1, *, 5.3.0-1020.22~18.04.1
Ubuntu:18.04:LTSlinux-azure-edge0, *, *
Ubuntu:18.04:LTSlinux-oracle-5.05.0.0-1010.15~18.04.1, 5.0.0-1014.19, 5.0.0-1013.18
Ubuntu:18.04:LTSlinux-aws-5.00, 5.0.0-1021.24~18.04.1, 5.0.0-1022.25~18.04.1
Ubuntu:18.04:LTSlinux-oracle-5.35.3.0-1018.20~18.04.1, 5.3.0-1016.18~18.04.1, 5.3.0-1014.15~18.04.1
Ubuntu:18.04:LTSlinux-gke-4.154.15.0-1072.76, 4.15.0-1070.73, 4.15.0-1066.69
Ubuntu:18.04:LTSlinux-aws-5.30, 5.3.0-1035.37, 5.3.0-1030.32~18.04.1

Timeline

  • Apr 6, 2021 CVE Published
  • Apr 14, 2021 EPSS Score
  • Jun 6, 2021 EPSS Score
  • Jun 11, 2021 EPSS Score
  • Aug 24, 2021 EPSS Score
  • Oct 25, 2021 EPSS Score
  • Dec 27, 2021 EPSS Score
  • Jan 6, 2022 EPSS Score
  • Feb 4, 2022 EPSS Score
  • Apr 1, 2022 EPSS Score
  • May 1, 2022 EPSS Score
  • Jul 2, 2022 EPSS Score

References

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