CVE-2022-50781
Published Dec 24, 2025
Modified Apr 15, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: amdgpu/pm: prevent array underflow in vega20_odn_edit_dpm_table() In the PP_OD_EDIT_VDDC_CURVE case the "input_index" variable is capped at 2 but not checked for negative values so it results in an out of bounds read. This value comes from the user via sysfs.
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References
Other References
https://git.kernel.org/stable/c/4d3dc0de9c46d9f73be6bac026e40b893e37ea21
https://git.kernel.org/stable/c/8084bd0a64e278314b733993f388d83a86aa1183
https://git.kernel.org/stable/c/85273b4a7076ed5328c8ace02234e4e7e10972d5
https://git.kernel.org/stable/c/a03625ad11b50429930f4c491d6c97e70f2ba89a
https://git.kernel.org/stable/c/d27252b5706e51188aed7647126e44dcf9e940c1
https://git.kernel.org/stable/c/f289a38df0da4cfe4b50d04b1b9c3bc646fecd57
Frequently Asked Questions
What is CVE-2022-50781? +
In the Linux kernel, the following vulnerability has been resolved:
amdgpu/pm: prevent array underflow in vega20_odn_edit_dpm_table()
In the PP_OD_EDIT_VDDC_CURVE case the "input_index" variable is capped at
2 but not checked for negative values so it results in an out of bounds
read. This value comes from the user via sysfs.
How do I check if I'm vulnerable to CVE-2022-50781? +
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.