CVE-2023-39189 (published 2023-10-09T17:57:44.776Z)
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.
Affected products: Vendor: n/a
Product: kernel
Versions: 6.6-rc1