CVE-2022-50781

Linux Kernel Array Underflow via sysfs PP_OD_EDIT_VDDC_CURVE Input

Title source: llm
STIX 2.1

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.

References (6)

Core 6

Scores

EPSS 0.0019
EPSS Percentile 8.6%

Details

Status published
Products (19)
linux/Kernel 4.20.0 - 5.4.229linux
linux/Kernel 5.11.0 - 5.15.86linux
linux/Kernel 5.16.0 - 6.0.16linux
linux/Kernel 5.5.0 - 5.10.163linux
linux/Kernel 6.1.0 - 6.1.2linux
Linux/Linux < 4.20
Linux/Linux 4.20
Linux/Linux 5.10.163 - 5.10.*
Linux/Linux 5.15.86 - 5.15.*
Linux/Linux 5.4.229 - 5.4.*
... and 9 more
Published Dec 24, 2025
Tracked Since Feb 18, 2026