Red Hat: CVE-2023-39189: kernel: netfilter: nftables out-of-bounds read in nf_osf_match_one() (Multiple Advisories)
5
(AV:L/AC:L/Au:M/C:C/I:N/A:P)
10/09/2023
05/24/2024
05/23/2024
05/23/2024
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.
Solution(s)
- redhat-upgrade-kernel
- redhat-upgrade-kernel-rt
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