CVE-2022-48756 drm/msm/dsi: invalid parameter check in msm_dsi_phy_enable

What is CVE-2022-48756?

CVE-2022-48756 is a medium-severity vulnerability in Linux kernel, published on 20 Jun 2024. 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:

drm/msm/dsi: invalid parameter check in msm_dsi_phy_enable

The function performs a check on the "phy" input parameter, however, it is used before the check.

Initialize the "dev" variable after the sanity check to avoid a possible NULL pointer dereference.

Addresses-Coverity-ID: 1493860 ("Null pointer dereference")

Weakness: CWE-476

Which versions are affected by CVE-2022-48756?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-48756?

Apply the vendor's patch.

Is CVE-2022-48756 being exploited?

There is no known exploitation of CVE-2022-48756 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-2022-48756, GHSA-c4jc-f237-c7h5, UBUNTU-CVE-2022-48756.