CVE-2022-50786
Published Dec 30, 2025
Modified Apr 15, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: media: s5p-mfc: Clear workbit to handle error condition During error on CLOSE_INSTANCE command, ctx_work_bits was not getting cleared. During consequent mfc execution NULL pointer dereferencing of this context led to kernel panic. This patch fixes this issue by making sure to clear ctx_work_bits always.
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References
Other References
https://git.kernel.org/stable/c/09c1fbbe532758e4046c20829f4c0c50b99332dc
https://git.kernel.org/stable/c/12242bd13ce68acd571b2cce6ab302e154e8a4ee
https://git.kernel.org/stable/c/640075400c7c577b0f5369b935e22a588773fafa
https://git.kernel.org/stable/c/8ff64edf9d16e8c277dcc8189794763624e6b4b8
https://git.kernel.org/stable/c/bd1b72f0c39a0d791a087b4e643701a48328ba8e
https://git.kernel.org/stable/c/d3f3c2fe54e30b0636496d842ffbb5ad3a547f9b
https://git.kernel.org/stable/c/ff27800c0a6d81571671b33f696109804d015409
Frequently Asked Questions
What is CVE-2022-50786? +
In the Linux kernel, the following vulnerability has been resolved:
media: s5p-mfc: Clear workbit to handle error condition
During error on CLOSE_INSTANCE command, ctx_work_bits was not getting
cleared. During consequent mfc execution NULL pointer dereferencing of
this context led to kernel panic. This patch fixes this issue by making
sure to clear ctx_work_bits always.
How do I check if I'm vulnerable to CVE-2022-50786? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.