Unrated severityNVD Advisory· Published Jan 18, 2024· Updated May 7, 2025
NULL-ptr-deref in network sched
CVE-2021-33630
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- openEuler/kernelv5Range: 4.19.90
Patches
Vulnerability mechanics
References
14- www.openwall.com/lists/oss-security/2024/01/30/10mitre
- www.openwall.com/lists/oss-security/2024/01/30/3mitre
- www.openwall.com/lists/oss-security/2024/01/30/4mitre
- www.openwall.com/lists/oss-security/2024/01/30/5mitre
- www.openwall.com/lists/oss-security/2024/01/30/9mitre
- www.openwall.com/lists/oss-security/2024/01/31/2mitre
- www.openwall.com/lists/oss-security/2024/01/31/3mitre
- www.openwall.com/lists/oss-security/2024/02/02/6mitre
- www.openwall.com/lists/oss-security/2024/02/02/9mitre
- www.openwall.com/lists/oss-security/2024/02/03/1mitre
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/mitre
- lists.debian.org/debian-lts-announce/2024/06/msg00020.htmlmitre
- www.openeuler.org/zh/security/security-bulletins/detail/mitre
- www.openeuler.org/zh/security/security-bulletins/detail/mitre
News mentions
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