CVE-2024-39504 netfilter: nft_inner: validate mandatory meta and payload

What is CVE-2024-39504?

CVE-2024-39504 is a medium-severity vulnerability in Linux kernel, published on 12 Jul 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nft_inner: validate mandatory meta and payload

Check for mandatory netlink attributes in payload and meta expression when used embedded from the inner expression, otherwise NULL pointer dereference is possible from userspace.

Weakness: CWE-476

Which versions are affected by CVE-2024-39504?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-39504?

Apply the vendor's patch.

Is CVE-2024-39504 being exploited?

There is no known exploitation of CVE-2024-39504 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BELL-CVE-2024-39504, DEBIAN-CVE-2024-39504, GHSA-cf4c-955g-mjxm, UBUNTU-CVE-2024-39504.