CVE-2022-0264 Information disclosure in kernel

What is CVE-2022-0264?

CVE-2022-0264 is a medium-severity vulnerability in Linux kernel, published on 4 Feb 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 the Linux kernel's eBPF verifier when handling internal data structures. Internal memory locations could be returned to userspace. A local attacker with the permissions to insert eBPF code to the kernel can use this to leak internal kernel memory details defeating some of the exploit mitigations in place for the kernel. This flaws affects kernel versions < v5.16-rc6

Weakness: CWE-755

Which versions are affected by CVE-2022-0264?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-0264?

Apply the vendor's patch.

Is CVE-2022-0264 being exploited?

There is no known exploitation of CVE-2022-0264 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-8497, DEBIAN-CVE-2022-0264, GHSA-9588-jwm4-r4w8, UBUNTU-CVE-2022-0264.