---
title: "CVE-2026-93177: Linux kernel - Out of Bounds Read/Write"
description: "Linux kernel contains a buffer overflow vulnerability caused by lack of bounds checking on voltage index in Vega10 lookup in drm/amdgpu/pm/powerplay, letting attackers cause denial of service or system instability, exploit requires local access."
url: https://panop.io/threat-heartbeat/CVE-2026-93177/
---

# CVE-2026-93177 Linux kernel - Out of Bounds Read/Write

Linux kernel contains a buffer overflow vulnerability caused by lack of bounds checking on voltage index in Vega10 lookup in drm/amdgpu/pm/powerplay, letting attackers cause denial of service or system instability, exploit requires local access.

CVSS base score 7.3 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.16% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-93177)

## Details

Type

Out of Bounds Read/Write

Impact

Denial Of Service

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H

Published

17 September 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version with the fix applied.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-93177](https://nvd.nist.gov/vuln/detail/CVE-2026-93177)
- [https://git.kernel.org/stable/c/06aef6dcc1d52da5112cbcde39c062e493247ab5](https://git.kernel.org/stable/c/06aef6dcc1d52da5112cbcde39c062e493247ab5)
- [https://git.kernel.org/stable/c/206e478810d6af50b25d8da72e3af8d55a014365](https://git.kernel.org/stable/c/206e478810d6af50b25d8da72e3af8d55a014365)
- [https://git.kernel.org/stable/c/25dedc13ceb9b6109c79c92a726ca4ca017c9eaa](https://git.kernel.org/stable/c/25dedc13ceb9b6109c79c92a726ca4ca017c9eaa)
- [https://git.kernel.org/stable/c/46d27e56dbd6345b9c7b62b67ec57407bf3bf29a](https://git.kernel.org/stable/c/46d27e56dbd6345b9c7b62b67ec57407bf3bf29a)
- [https://git.kernel.org/stable/c/6fa33f594e46e775a94097f71b486d7b006b6917](https://git.kernel.org/stable/c/6fa33f594e46e775a94097f71b486d7b006b6917)
- [https://git.kernel.org/stable/c/ae25c92d91f2cb90ede2b0eb0f58efa82ccc718b](https://git.kernel.org/stable/c/ae25c92d91f2cb90ede2b0eb0f58efa82ccc718b)
- [https://git.kernel.org/stable/c/b349dcf061a6dc8c6cef9a10530331ef2ff66c72](https://git.kernel.org/stable/c/b349dcf061a6dc8c6cef9a10530331ef2ff66c72)
- [https://git.kernel.org/stable/c/dfe89f1a0c7f40ef858b93881198f9728df956cf](https://git.kernel.org/stable/c/dfe89f1a0c7f40ef858b93881198f9728df956cf)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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