---
title: "CVE-2026-81015: Linux Kernel - Denial of Service"
description: "Linux kernel contains a resource leak vulnerability caused by improper cleanup in amd_pmc_probe() when amd_stb_s2d_init() fails, letting attackers cause kernel crashes or unstable system state, exploit requires module reload or s2idle transition."
url: https://panop.io/threat-heartbeat/CVE-2026-81015/
---

# CVE-2026-81015 Linux Kernel - Denial of Service

Linux kernel contains a resource leak vulnerability caused by improper cleanup in amd\_pmc\_probe() when amd\_stb\_s2d\_init() fails, letting attackers cause kernel crashes or unstable system state, exploit requires module reload or s2idle transition.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.18% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-81015)

## Details

Type

Denial of Service

Impact

Denial Of Service

CVSS vector

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

Published

11 September 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version containing the fix for amd\_pmc\_probe() resource leak.

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-2026-81015](https://nvd.nist.gov/vuln/detail/CVE-2026-81015)
- [https://git.kernel.org/stable/c/30e5f4d0cd0be655c800f10ae3e530391aa6c1b5](https://git.kernel.org/stable/c/30e5f4d0cd0be655c800f10ae3e530391aa6c1b5)
- [https://git.kernel.org/stable/c/76f650a76d6a36a4bee79d94db90a0e935a95477](https://git.kernel.org/stable/c/76f650a76d6a36a4bee79d94db90a0e935a95477)
- [https://git.kernel.org/stable/c/bc9aa5fe21c3966c80647ed6574b94b863f23c62](https://git.kernel.org/stable/c/bc9aa5fe21c3966c80647ed6574b94b863f23c62)
- [https://git.kernel.org/stable/c/d201c09c2428a4a8fd3bdcb032ae99f1e016458c](https://git.kernel.org/stable/c/d201c09c2428a4a8fd3bdcb032ae99f1e016458c)

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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

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