CVE-2024-39504
kernel: netfilter: nft_inner: validate mandatory meta and payload
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 12, 2024
Updated · October 29, 2026
Description
A vulnerability was found in the Linux kernel's Netfilter subsystem in the nft_inner component, where the issue occurs when mandatory netlink attributes for payload and meta expressions are not validated in embedded inner expressions, which can lead to a NULL pointer dereference from user space which allow attackers to exploit the system, potentially causing crashes.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference