CVE-2021-33630: Openatom Openeuler

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Openatom Openeuler: from 4.19.90, before 4.19.90-2401.3 (fixed in 4.19.90-2401.3)

Published 2024-01-18. Last modified 2026-06-17.