vulnerability
Red Hat: CVE-2023-39189: kernel: netfilter: nftables out-of-bounds read in nf_osf_match_one() (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:M/C:C/I:N/A:P) | 10/09/2023 | 05/23/2024 | 03/17/2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:M/C:C/I:N/A:P)
Published
10/09/2023
Added
05/23/2024
Modified
03/17/2025
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-kernelredhat-upgrade-kernel-rt
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