CVE-2022-50383 media: mediatek: vcodec: Can't set dst buffer to done when lat decode error

What is CVE-2022-50383?

CVE-2022-50383 is a medium-severity vulnerability in Linux kernel, published on 18 Sep 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:

media: mediatek: vcodec: Can't set dst buffer to done when lat decode error

Core thread will call v4l2_m2m_buf_done to set dst buffer done for lat architecture. If lat call v4l2_m2m_buf_done_and_job_finish to free dst buffer when lat decode error, core thread will access kernel NULL pointer dereference, then crash.

Weakness: CWE-476

Which versions are affected by CVE-2022-50383?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-50383?

Apply the vendor's patch.

Is CVE-2022-50383 being exploited?

There is no known exploitation of CVE-2022-50383 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-2022-50383, GHSA-6p9h-cfcv-pc5f, ROOT-OS-UBUNTU-2204-CVE-2022-50383, UBUNTU-CVE-2022-50383.