CVE-2023-4623

CVSS 3.1 Score 7.8 of 10 (high)

Details

Published Sep 6, 2023
Updated: Jan 11, 2024
CWE ID 416

Summary

CVE-2023-4623 is a use-after-free vulnerability in the Linux kernel's net/sched: sch_hfsc (HFSC qdisc traffic control) component. It affects multiple products, including ohMfk7, ohMfk4, ohMfk3, and QtrdW7. The vulnerability can be exploited locally to achieve privilege escalation. To remediate this issue, it is recommended to upgrade to commit b3d26c5702c7d6c45456326e56d2ccf3f103e60f or later. This vulnerability poses a high danger to organizations as it allows an attacker with low privileges to gain elevated privileges and potentially access sensitive information or perform unauthorized actions on the affected system. The base severity of this vulnerability is rated as HIGH with a base score of 7.8 according to the CVSS 3.1 scoring system.

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