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CVE-2022-50781

amdgpu/pm: prevent array underflow in vega20_odn_edit_dpm_table()

N/A
Published: December 24, 2025 at 01:06 PM UTC
Updated: June 17, 2026 at 05:24 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
4.20 ≤ v < 5.10.1634.20 ≤ v < 5.15.864.20 ≤ v < 5.4.2294.20 ≤ v < 6.0.164.20 ≤ v < 6.1.24.20 ≤ v < 6.24.20d5bf26539494d16dfabbbea0854a47d202ea15c0
Vendor states this is fixed in 4d3dc0de9c46d9f73be6bac026e40b893e37ea21 (fixed)
Vendor states this is fixed in 8084bd0a64e278314b733993f388d83a86aa1183 (fixed)
Vendor states this is fixed in 85273b4a7076ed5328c8ace02234e4e7e10972d5 (fixed)
Vendor states this is fixed in a03625ad11b50429930f4c491d6c97e70f2ba89a (fixed)
Vendor states this is fixed in d27252b5706e51188aed7647126e44dcf9e940c1 (fixed)
Vendor states this is fixed in f289a38df0da4cfe4b50d04b1b9c3bc646fecd57 (fixed)
Vendor states this is fixed in 4.20 (unaffected)
Vendor states this is fixed in 5.10.163 (unaffected)
Vendor states this is fixed in 5.15.86 (unaffected)
Vendor states this is fixed in 5.4.229 (unaffected)
Vendor states this is fixed in 6.0.16 (unaffected)
Vendor states this is fixed in 6.1.2 (unaffected)
Vendor states this is fixed in 6.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/4d3dc0de9c46d9f73be6bac026e40b893e37ea21
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/8084bd0a64e278314b733993f388d83a86aa1183
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/85273b4a7076ed5328c8ace02234e4e7e10972d5
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a03625ad11b50429930f4c491d6c97e70f2ba89a
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d27252b5706e51188aed7647126e44dcf9e940c1
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f289a38df0da4cfe4b50d04b1b9c3bc646fecd57

Quick Info

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