CVE-2023-3777
CVSS 3.1 Score 7.8 of 10 (high)
Details
Published Sep 6, 2023
Updated: Nov 29, 2023
CWE ID 416
Summary
CVE-2023-3777 is a use-after-free vulnerability affecting the Linux kernel's netfilter: nf_tables component. This issue allows for local privilege escalation. During the process of flushing table rules in nf_tables_delrule(), the component fails to check if the chain is bound, and in certain circumstances, the owner rule can release objects. To mitigate this vulnerability, it is recommended to upgrade past commit 6eaf41e87a223ae6f8e7a28d6e78384ad7e407f8.
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