Security Advisory

CVE-2023-3777

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-09-06 13:50:26
Last updated 2025-02-13 17:01:35
Assigner Google
State PUBLISHED

Description

A use-after-free vulnerability in the Linux kernels netfilter: nf_tables component can be exploited to achieve local privilege escalation. When nf_tables_delrule() is flushing table rules, it is not checked whether the chain is bound and the chains owner rule can also release the objects in certain circumstances. We recommend upgrading past commit 6eaf41e87a223ae6f8e7a28d6e78384ad7e407f8.