VDB

CVE-2021-33630

CVE-2021-33630 PUBLISHED CVSS 5.5 MEDIUM

NULL Pointer Dereference vulnerability in openEuler kernel on Linux (network modules) allows Pointer Manipulation. This vulnerability is associated with program files net/sched/sch_cbs.C. This issue affects openEuler kernel: from 4.19.90 before 4.19.90-2401.3.

EPSS 0.34% · 27.1th percentile

Risk Scores

CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.34%
27.1th percentile

Affected Products

VendorProductVersions
Ubuntu:20.04:LTSlinux-gcp-5.130, 5.13.0-1021.25~20.04.1, 5.13.0-1025.30~20.04.1
Ubuntu:20.04:LTSlinux-oem-5.65.6.0-1042.46, 5.6.0-1039.43, 5.6.0-1036.39
Ubuntu:18.04:LTSlinux-oracle-5.3*, 5.3.0-1018.20~18.04.1, 5.3.0-1016.18~18.04.1
Ubuntu:22.04:LTSlinux-azure-5.190, 5.19.0-1021.22~22.04.1, 5.19.0-1022.23~22.04.1
Ubuntu:18.04:LTSlinux-gke-4.154.15.0-1059.62, 0, 4.15.0-1030.32
Ubuntu:22.04:LTSlinux-intel-iot-realtime0, 5.15.0-1073.75
Ubuntu:22.04:LTSlinux-hwe-5.19*, *, *
Ubuntu:20.04:LTSlinux-aws-5.135.13.0-1025.27~20.04.1, 0, 5.13.0-1008.9~20.04.2
Ubuntu:20.04:LTSlinux-gcp-5.85.8.0-1035.37~20.04.1, 5.8.0-1032.34~20.04.1, 5.8.0-1039.41
Ubuntu:16.04:LTSlinux-hwe-edge*, *, 4.13.0-19.22~16.04.1
Ubuntu:22.04:LTSlinux-nvidia-6.26.2.0-1015.15, 6.2.0-1012.12, 6.2.0-1010.10
Ubuntu:20.04:LTSlinux-oracle-5.85.8.0-1037.38~20.04.1, 5.8.0-1038.39~20.04.1, 5.8.0-1033.34~20.04.1
Ubuntu:20.04:LTSlinux-oem-5.105.10.0-1029.30, 5.10.0-1038.40, 5.10.0-1034.35
Ubuntu:22.04:LTSlinux-riscv5.13.0-1010.11+22.04.1, 5.15.0-1007.7, 5.15.0-1008.8
Ubuntu:22.04:LTSlinux-azure-fde-5.19*, 0, 5.19.0-1027.30~22.04.2.1
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.26.2.0-1016.16~22.04.1, 6.2.0-1013.13~22.04.1, 6.2.0-1012.12~22.04.1
Ubuntu:22.04:LTSlinux-azure-6.2*, *, *
Ubuntu:20.04:LTSlinux-intel-5.135.13.0-1010.10, 5.13.0-1017.19, 5.13.0-1014.15
Ubuntu:18.04:LTSlinux-aws-5.05.0.0-1027.30, 5.0.0-1025.28, 5.0.0-1024.27~18.04.1
Ubuntu:18.04:LTSlinux-gcp4.15.0-1024.25, 4.15.0-1025.26, 4.15.0-1026.27

…and 46 more

Timeline

  • Apr 28, 2020 CVE Published
  • Jan 18, 2024 PoC Published
  • Jan 24, 2024 EPSS Score
  • Feb 12, 2024 PoC Published
  • Feb 21, 2024 EPSS Score
  • Mar 20, 2024 EPSS Score
  • Apr 17, 2024 EPSS Score
  • May 15, 2024 EPSS Score
  • Jun 12, 2024 EPSS Score
  • Jul 10, 2024 EPSS Score
  • Jul 10, 2024 CVE Updated
  • Aug 7, 2024 EPSS Score

References

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