CVE-2022-49984 HID: steam: Prevent NULL pointer dereference in steam_{recv,send}_report

What is CVE-2022-49984?

CVE-2022-49984 is a medium-severity vulnerability in Linux kernel, published on 18 Jun 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:

HID: steam: Prevent NULL pointer dereference in steam_{recv,send}_report

It is possible for a malicious device to forgo submitting a Feature Report. The HID Steam driver presently makes no prevision for this and de-references the 'struct hid_report' pointer obtained from the HID devices without first checking its validity. Let's change that.

Weakness: CWE-476

Which versions are affected by CVE-2022-49984?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-49984?

Apply the vendor's patch.

Is CVE-2022-49984 being exploited?

There is no known exploitation of CVE-2022-49984 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-2022-49984, GHSA-p3m3-q487-px67, UBUNTU-CVE-2022-49984.