CVE-2022-3606 Linux Kernel BPF libbpf.c find_prog_by_sec_insn null pointer dereference

What is CVE-2022-3606?

CVE-2022-3606 is a low-severity vulnerability in Linux kernel, published on 19 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability was found in Linux Kernel. It has been classified as problematic. This affects the function find_prog_by_sec_insn of the file tools/lib/bpf/libbpf.c of the component BPF. The manipulation leads to null pointer dereference. It is recommended to apply a patch to fix this issue. The identifier VDB-211749 was assigned to this vulnerability.

Weakness: CWE-404

Which versions are affected by CVE-2022-3606?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-3606?

Apply the vendor's patch.

Is CVE-2022-3606 being exploited?

There is no known exploitation of CVE-2022-3606 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 AZL-27429, DEBIAN-CVE-2022-3606, GHSA-4rj6-gcf8-wchc, UBUNTU-CVE-2022-3606.