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% · 27.5th 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%
27.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | linux-gcp-5.13 | 5.13.0-1027.32~20.04.1, 5.13.0-1033.40~20.04.1, 5.13.0-1030.36~20.04.1 |
| Ubuntu:20.04:LTS | linux-oem-5.6 | 5.6.0-1028.28, 5.6.0-1032.33, 5.6.0-1055.59 |
| Ubuntu:18.04:LTS | linux-oracle-5.3 | 5.3.0-1016.18~18.04.1, 5.3.0-1014.15~18.04.1, 5.3.0-1011.12~18.04.1 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | 5.19.0-1025.28~22.04.1, 0, 5.19.0-1021.22~22.04.1 |
| Ubuntu:18.04:LTS | linux-gke-4.15 | 4.15.0-1033.35, 4.15.0-1034.36, 4.15.0-1036.38 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | 0, 5.15.0-1073.75 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | 5.19.0-40.41~22.04.1, 5.19.0-50.50, 5.19.0-45.46~22.04.1 |
| Ubuntu:20.04:LTS | linux-aws-5.13 | 5.13.0-1008.9~20.04.2, 5.13.0-1023.25~20.04.1, 5.13.0-1025.27~20.04.1 |
| Ubuntu:20.04:LTS | linux-gcp-5.8 | 5.8.0-1039.41, 5.8.0-1038.40~20.04.1, 5.8.0-1035.37~20.04.1 |
| Ubuntu:16.04:LTS | linux-hwe-edge | 4.13.0-21.24~16.04.1, 4.13.0-25.29~16.04.2, 4.15.0-23.25~16.04.1 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | 6.2.0-1009.9, 6.2.0-1010.10, 6.2.0-1012.12 |
| Ubuntu:20.04:LTS | linux-oracle-5.8 | 0, 5.8.0-1033.34~20.04.1, 5.8.0-1037.38~20.04.1 |
| Ubuntu:20.04:LTS | linux-oem-5.10 | 0, 5.10.0-1017.18, 5.10.0-1050.52 |
| Ubuntu:22.04:LTS | linux-riscv | 5.15.0-1027.31, 5.15.0-1005.5, 5.15.0-1015.17 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | 5.19.0-1026.29~22.04.1.1, 5.19.0-1027.30~22.04.2.1, 0 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | 6.2.0-1012.12~22.04.1, 6.2.0-1013.13~22.04.1, 6.2.0-1016.16~22.04.1 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | 6.2.0-1014.14~22.04.1, 6.2.0-1006.6~22.04.1, 0 |
| Ubuntu:20.04:LTS | linux-intel-5.13 | 5.13.0-1014.15, 5.13.0-1007.7, 5.13.0-1008.8 |
| Ubuntu:18.04:LTS | linux-aws-5.0 | 5.0.0-1022.25~18.04.1, 5.0.0-1021.24~18.04.1, 0 |
| Ubuntu:18.04:LTS | linux-gcp | 4.15.0-1023.24, 4.15.0-1024.25, 4.15.0-1025.26 |
…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 22, 2024 EPSS Score
- Mar 21, 2024 EPSS Score
- Apr 19, 2024 EPSS Score
- May 18, 2024 EPSS Score
- Jun 15, 2024 EPSS Score
- Jul 10, 2024 CVE Updated
- Jul 14, 2024 EPSS Score
- Aug 12, 2024 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-33630 advisory
- https://git.kernel.org/linus/3e8b9bfa110896f95d602d8c98d5f9d67e41d78c third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-33630 third-party-advisory