---
title: "CVE-2026-93799: Linux kernel - Out of Bounds Read"
description: "Linux kernel contains a buffer over-read vulnerability caused by lack of bounds checking on sta_id extracted from firmware notification in iwlwifi mvm component, letting attackers cause out-of-bounds access, exploit requires crafted firmware notification."
url: https://panop.io/threat-heartbeat/CVE-2026-93799/
---

# CVE-2026-93799 Linux kernel - Out of Bounds Read

Linux kernel contains a buffer over-read vulnerability caused by lack of bounds checking on sta\_id extracted from firmware notification in iwlwifi mvm component, letting attackers cause out-of-bounds access, exploit requires crafted firmware notification.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.24% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-93799)

## Details

Type

Out of Bounds Read

Impact

Denial Of Service

CVSS vector

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

Published

24 September 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version with the fix for sta\_id validation in iwlwifi mvm.

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-2026-93799](https://nvd.nist.gov/vuln/detail/CVE-2026-93799)
- [https://git.kernel.org/stable/c/6aa77efaea9efea92e3090c35ad348fd759a3cf3](https://git.kernel.org/stable/c/6aa77efaea9efea92e3090c35ad348fd759a3cf3)
- [https://git.kernel.org/stable/c/bb08fbbbd5568d33069485ecb0a1657f115a4e9f](https://git.kernel.org/stable/c/bb08fbbbd5568d33069485ecb0a1657f115a4e9f)
- [https://git.kernel.org/stable/c/e35ae757c6462bfd3437bf58121bb721fe1f790c](https://git.kernel.org/stable/c/e35ae757c6462bfd3437bf58121bb721fe1f790c)
- [https://git.kernel.org/stable/c/f9938eb95e2ddab4a58d3946a320abcbd60b56a4](https://git.kernel.org/stable/c/f9938eb95e2ddab4a58d3946a320abcbd60b56a4)

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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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