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CVE-2021-33630

Published: 18/01/2024 Updated: 03/02/2024
CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8
VMScore: 0
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Vulnerability Summary

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 prior to 4.19.90-2401.3.

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huawei openeuler

Vendor Advisories

Red Hat:
Description<!---->A NULL pointer dereference flaw was found in the Linux kernel's network scheduler This issue occurs when offloading is enabled, the cbs instance is not added to the list The code also incorrectly handles the case when offload is disabled without removing the qdisc This could allow a local user to cause a denial of service condi ...

Mailing Lists

Full Disclosure: FWD: Kernel vulnerabilities CVE-2021-33630 & CVE-2021-33631
<!--X-Body-Begin--> <!--X-User-Header--> oss-sec mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> FWD: Kernel vulnerabilities CVE-2021-33630 &amp; CVE-2021-33631 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: A ...
Full Disclosure: Re: FWD: Kernel vulnerabilities CVE-2021-33630 & CVE-2021-33631
<!--X-Body-Begin--> <!--X-User-Header--> oss-sec mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> Re: FWD: Kernel vulnerabilities CVE-2021-33630 &amp; CVE-2021-33631 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> Fro ...
Full Disclosure: Re: FWD: Kernel vulnerabilities CVE-2021-33630 & CVE-2021-33631
<!--X-Body-Begin--> <!--X-User-Header--> oss-sec mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> Re: FWD: Kernel vulnerabilities CVE-2021-33630 &amp; CVE-2021-33631 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> Fro ...
Full Disclosure: Re: Kernel vulnerabilities CVE-2021-33630 & CVE-2021-33631
<!--X-Body-Begin--> <!--X-User-Header--> oss-sec mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> Re: Kernel vulnerabilities CVE-2021-33630 &amp; CVE-2021-33631 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: De ...

References

CWE-476https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1030https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1031https://gitee.com/src-openeuler/kernel/pulls/1389https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e8b9bfa110896f95d602d8c98d5f9d67e41d78chttp://www.openwall.com/lists/oss-security/2024/01/30/3http://www.openwall.com/lists/oss-security/2024/01/30/4http://www.openwall.com/lists/oss-security/2024/01/30/5http://www.openwall.com/lists/oss-security/2024/01/30/9http://www.openwall.com/lists/oss-security/2024/01/30/10http://www.openwall.com/lists/oss-security/2024/01/31/3http://www.openwall.com/lists/oss-security/2024/01/31/2http://www.openwall.com/lists/oss-security/2024/02/02/6http://www.openwall.com/lists/oss-security/2024/02/02/9http://www.openwall.com/lists/oss-security/2024/02/03/1https://nvd.nist.govhttps://seclists.org/oss-sec/2024/q1/65https://access.redhat.com/security/cve/cve-2021-33630
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2022-48700CVE-2022-48689CVE-2024-27956CVE-2023-6363SQLNULL pointer dereferenceCVE-2023-41830CVE-2015-2051arbitrary
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