---
title: "CVE-2026-97442: Linux Kernel - Memory Corruption"
description: "Linux kernel contains a memory corruption vulnerability caused by invalid data access in ath11k_dp_rx_h_undecap_nwifi function when processing packets with length greater than maximum native Wi-Fi header, letting attackers cause kernel stack corruption, exploit requires crafted packets from hardware."
url: https://panop.io/threat-heartbeat/CVE-2026-97442/
---

# CVE-2026-97442 Linux Kernel - Memory Corruption

Linux kernel contains a memory corruption vulnerability caused by invalid data access in ath11k\_dp\_rx\_h\_undecap\_nwifi function when processing packets with length greater than maximum native Wi-Fi header, letting attackers cause kernel stack corruption, exploit requires crafted packets from hardware.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.25% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-97442)

## Details

Type

Memory Corruption

Impact

Denial Of Service, Remote Code Execution

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 for ath11k\_dp\_rx\_h\_undecap\_nwifi.

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-2026-97442](https://nvd.nist.gov/vuln/detail/CVE-2026-97442)
- [https://git.kernel.org/stable/c/00738665c875ab34efa7126ea63c9d70b48ee169](https://git.kernel.org/stable/c/00738665c875ab34efa7126ea63c9d70b48ee169)
- [https://git.kernel.org/stable/c/1c0a13be76db3c1cf774aa11d9f4c3f8239ac567](https://git.kernel.org/stable/c/1c0a13be76db3c1cf774aa11d9f4c3f8239ac567)
- [https://git.kernel.org/stable/c/6b471e9aefee9ed73278eb1141e0d8530a56fae9](https://git.kernel.org/stable/c/6b471e9aefee9ed73278eb1141e0d8530a56fae9)
- [https://git.kernel.org/stable/c/958cf3696ddc5ccafd3d0b8b0c03d90bcd771c0c](https://git.kernel.org/stable/c/958cf3696ddc5ccafd3d0b8b0c03d90bcd771c0c)
- [https://git.kernel.org/stable/c/b4ef30f1d107aae460edf731a7c2d187fbc46a32](https://git.kernel.org/stable/c/b4ef30f1d107aae460edf731a7c2d187fbc46a32)

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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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