---
title: "CVE-2026-81006: Linux kernel ipmi - Use After Free"
description: "Linux kernel ipmi contains a use-after-free vulnerability caused by incomplete sysfs file removal on ipmi_add_smi registration failure, letting attackers cause system instability or denial of service, exploit requires triggering registration failure."
url: https://panop.io/threat-heartbeat/CVE-2026-81006/
---

# CVE-2026-81006 Linux kernel ipmi - Use After Free

Linux kernel ipmi contains a use-after-free vulnerability caused by incomplete sysfs file removal on ipmi\_add\_smi registration failure, letting attackers cause system instability or denial of service, exploit requires triggering registration failure.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.13% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-81006)

## Details

Type

Use After Free

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 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-2026-81006](https://nvd.nist.gov/vuln/detail/CVE-2026-81006)
- [https://git.kernel.org/stable/c/b115b7d06f26b3f000d2afda88acb54c7a7cb2c9](https://git.kernel.org/stable/c/b115b7d06f26b3f000d2afda88acb54c7a7cb2c9)
- [https://git.kernel.org/stable/c/b6c46ab0bdee90c238e96ea4a74972118c97900d](https://git.kernel.org/stable/c/b6c46ab0bdee90c238e96ea4a74972118c97900d)
- [https://git.kernel.org/stable/c/d46c97eddcbc53ca885e8bb359930c58884616ff](https://git.kernel.org/stable/c/d46c97eddcbc53ca885e8bb359930c58884616ff)

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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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