CVE-2021-33630

NULL-ptr-deref in network sched

CVSS 5.5 MEDIUMEPSS 0.3%CWE-476

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.5EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

18 Jan 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

openEuler · kernel

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References

https://gitee.com/src-openeuler/kernel/pulls/1389 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e8b9bfa110896f95d602d8c98d5f9d67e41d78c https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html 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 http://www.openwall.com/lists/oss-security/2024/01/30/10 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/2024/01/31/2 http://www.openwall.com/lists/oss-security/2024/01/31/3