CVE-2022-2785 Arbitrary Memory read in BPF Linux Kernel

What is CVE-2022-2785?

CVE-2022-2785 is a medium-severity vulnerability in Linux kernel, published on 23 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

There exists an arbitrary memory read within the Linux Kernel BPF - Constants provided to fill pointers in structs passed in to bpf_sys_bpf are not verified and can point anywhere, including memory not owned by BPF. An attacker with CAP_BPF can arbitrarily read memory from anywhere on the system. We recommend upgrading past commit 86f44fcec22c

Weakness: CWE-125

Which versions are affected by CVE-2022-2785?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-2785?

Apply the vendor's patch.

Is CVE-2022-2785 being exploited?

There is no known exploitation of CVE-2022-2785 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-11015, AZL-34860, DEBIAN-CVE-2022-2785, GHSA-xhpr-rjf3-gg6p, UBUNTU-CVE-2022-2785.