Openeuler · Openeuler Kernel · CVE-2021-33630
**Name of the Vulnerable Software and Affected Versions**
openEuler kernel versions 4.19.90 through 4.19.90-2401.2
**Description**
The issue is related to a NULL Pointer Dereference vulnerability in the openEuler kernel on Linux, specifically in network modules, allowing Pointer Manipulation. This vulnerability is associated with program files net/sched/sch cbs.C. The vulnerability may allow an attacker to cause a denial of service.
**Recommendations**
To resolve the issue, update the openEuler kernel to version 4.19.90-2401.3 or later.
As a temporary workaround, consider disabling the network modules associated with the vulnerable program files net/sched/sch cbs.C until a patch is available.