---
title: "CVE-2026-93790: Linux Kernel - Buffer Overflow"
description: "Linux kernel contains a buffer overflow caused by out-of-bounds access of tid_data array in iwlwifi mvm component, letting attackers potentially corrupt memory, exploit requires crafted BA notification."
url: https://panop.io/threat-heartbeat/CVE-2026-93790/
---

# CVE-2026-93790 Linux Kernel - Buffer Overflow

Linux kernel contains a buffer overflow caused by out-of-bounds access of tid\_data array in iwlwifi mvm component, letting attackers potentially corrupt memory, exploit requires crafted BA 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-2026-93790)

## Details

Type

Buffer Overflow

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 containing the fix.

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-2026-93790](https://nvd.nist.gov/vuln/detail/CVE-2026-93790)
- [https://git.kernel.org/stable/c/c48b741277b01b2c3b4ecccedc72fc575b71dc04](https://git.kernel.org/stable/c/c48b741277b01b2c3b4ecccedc72fc575b71dc04)
- [https://git.kernel.org/stable/c/e8ac5e91b1296f65c3d119fac3fa917ff458f811](https://git.kernel.org/stable/c/e8ac5e91b1296f65c3d119fac3fa917ff458f811)
- [https://git.kernel.org/stable/c/35f991d685feafd27255bd33272512c434e52527](https://git.kernel.org/stable/c/35f991d685feafd27255bd33272512c434e52527)
- [https://git.kernel.org/stable/c/94d3982806c7f194b23484befde12934dda23064](https://git.kernel.org/stable/c/94d3982806c7f194b23484befde12934dda23064)

[← All CVEs](https://panop.io/threat-heartbeat/)

## 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.

[Book a demo](https://panop.io/demo)