Security Advisory

CVE-2023-42754

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-10-05 18:25:22

Last updated 2025-11-06 19:47:52

Assigner redhat

State PUBLISHED

Description

A NULL pointer dereference flaw was found in the Linux kernel ipv4 stack. The socket buffer (skb) was assumed to be associated with a device before calling __ip_options_compile, which is not always the case if the skb is re-routed by ipvs. This issue may allow a local user with CAP_NET_ADMIN privileges to crash the system.

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