CVE-2022-50383

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

State: Published
Severity: 5.5 Medium
Published: Sep 18, 2025
Updated: May 11, 2026
Reserved: Sep 17, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-476 NULL Pointer Dereference

Affected Products

Product	Versions
LinuxLinux	7b182b8d9c852343fb34923a2d1b4e61421b37c7 to before eeb090420f3477eb5011586709409fc655c2b16cAffected 7b182b8d9c852343fb34923a2d1b4e61421b37c7 to before 66d26ed30056e7d2da3e9c14125ffe6049a4f907Affected 7b182b8d9c852343fb34923a2d1b4e61421b37c7 to before 3568ecd3f3a6d133ab7feffbba34955c8c79bbc4Affected
LinuxLinux	5.19Affected before 5.19Not affected 6.0.16 through 6.0.Not affected 6.1.2 through 6.1.Not affected 6.2 and laterNot affected

References

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