CVE-2021-33630
NULL-ptr-deref in network sched
- State
- Published
- Severity
- 5.5 Medium
- Published
- Jan 18, 2024
- Updated
- May 7, 2025
- Reserved
- May 28, 2021
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.5 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | openEuler |
Weaknesses
- CWE-476 NULL Pointer Dereference
Affected Products
| Product | Versions |
|---|---|
kernelopenEuler |
|
References
- https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1030
- https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1031
- https://gitee.com/src-openeuler/kernel/pulls/1389
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e8b9bfa110896f95d602d8c98d5f9d67e41d78c
- http://www.openwall.com/lists/oss-security/2024/01/30/3
- http://www.openwall.com/lists/oss-security/2024/01/30/4
- http://www.openwall.com/lists/oss-security/2024/01/30/5
- http://www.openwall.com/lists/oss-security/2024/01/30/9
- http://www.openwall.com/lists/oss-security/2024/01/30/10
- http://www.openwall.com/lists/oss-security/2024/01/31/3
- http://www.openwall.com/lists/oss-security/2024/01/31/2
- http://www.openwall.com/lists/oss-security/2024/02/02/6
- http://www.openwall.com/lists/oss-security/2024/02/02/9
- http://www.openwall.com/lists/oss-security/2024/02/03/1
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
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