UBUNTU-CVE-2021-33630
Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 18 Jan 2024, 15:15
Last modified:24 Oct 2025, 04:50
Vulnerability Summary
Overall Risk (default)
low
22/100 CVSS Score
5.5 MEDIUM
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
18 Jan 2024, 15:15
Published
Vulnerability first disclosed
24 Oct 2025, 04:50
Last Modified
Vulnerability information updated
Description
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.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Systems
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-azure
all
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.2
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-gcp
all
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.2
all
- ubuntu•linux-gke
all
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.15
all
- ubuntu•linux-gke-5.4
all
- ubuntu•linux-gkeop-5.4
all
- ubuntu•linux-hwe
all
- ubuntu•linux-hwe-5.11
all
- ubuntu•linux-hwe-5.13
all
- ubuntu•linux-hwe-5.19
all
- ubuntu•linux-hwe-5.8
all
- ubuntu•linux-hwe-6.2
all
- ubuntu•linux-hwe-edge
all | < 5.3.0-22.24~18.04.1
- ubuntu•linux-intel-5.13
all
- ubuntu•linux-intel-iot-realtime
all
- ubuntu•linux-lowlatency-hwe-5.19
all
- ubuntu•linux-lowlatency-hwe-6.2
all
- ubuntu•linux-nvidia-6.2
all
- ubuntu•linux-oem
all
- ubuntu•linux-oem-5.10
all
- ubuntu•linux-oem-5.13
all
- ubuntu•linux-oem-5.14
all
- ubuntu•linux-oem-5.17
all
- ubuntu•linux-oem-5.6
all
- ubuntu•linux-oem-6.0
all
Showing first 50 affected entries in server-rendered view.