VYPR
Medium severity5.1NVD Advisory· Published Oct 9, 2023· Updated Jun 17, 2026

CVE-2023-39189

CVE-2023-39189

Description

A flaw was found in the Netfilter subsystem in the Linux kernel. The nfnl_osf_add_callback function did not validate the user mode controlled opt_num field. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure.

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Affected products

303

Patches

Vulnerability mechanics

References

6

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