CVE-2023-39192 Information

Description

A flaw was found in the Netfilter subsystem in the Linux kernel. The xt_u32 module did not validate the fields in the xt_u32 structure. This flaw allows a local privileged attacker to trigger an out-of-bounds read by setting the size fields with a value beyond the array boundaries leading to a crash or information disclosure.

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=2226784 https://www.zerodayinitiative.com/advisories/ZDI-CAN-18408/ https://access.redhat.com/security/cve/CVE-2023-39192