CVE-2022-49284 coresight: syscfg: Fix memleak on registration failure in cscfg_create_device

What is CVE-2022-49284?

CVE-2022-49284 is a medium-severity memory corruption vulnerability in Linux kernel, published on 26 Feb 2025. 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:

coresight: syscfg: Fix memleak on registration failure in cscfg_create_device

device_register() calls device_initialize(), according to doc of device_initialize:

Use put_device() to give up your reference instead of freeing * @dev directly once you have called this function.

To prevent potential memleak, use put_device() for error handling.

Weakness: CWE-401

Which versions are affected by CVE-2022-49284?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-49284?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-49284 being exploited?

There is no known exploitation of CVE-2022-49284 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 DEBIAN-CVE-2022-49284, GHSA-4r29-2h26-2x44, UBUNTU-CVE-2022-49284.