CVE-2026-93797
Received Received - Intake

BaseFortify

Publication date: 2026-09-24

Last updated on: 2026-10-03

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix an off-by-1 boundary check Before looking at the 11th byte, check the length is big enough.

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Meta Information

Published
2026-09-24
Last Modified
2026-10-03
Generated
2026-10-15
AI Q&A
2026-09-24
EPSS Evaluated
2026-10-13
NVD
CVE-2026-93797
EUVD
EUVD-2026-86184

Affected Vendors & Products

Showing 8 associated CPEs
Vendor Product Version / Range
Linux Linux 4f58121dc40a1d5dd2f630a5ec4dac5afa1ce3f4
Linux Linux 4f58121dc40a1d5dd2f630a5ec4dac5afa1ce3f4
Linux Linux 4f58121dc40a1d5dd2f630a5ec4dac5afa1ce3f4
Linux Linux 4f58121dc40a1d5dd2f630a5ec4dac5afa1ce3f4
Linux Linux 4f58121dc40a1d5dd2f630a5ec4dac5afa1ce3f4
Linux Linux 4f58121dc40a1d5dd2f630a5ec4dac5afa1ce3f4
Linux Linux 4f58121dc40a1d5dd2f630a5ec4dac5afa1ce3f4
Linux Linux 5.4

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is a boundary check issue in the Linux kernel's iwlwifi driver for Intel Wi-Fi devices. It involves an off-by-1 error where the code fails to properly validate the length of data before accessing the 11th byte, potentially leading to out-of-bounds memory access.

Detection Guidance

This vulnerability is specific to the Linux kernel's iwlwifi driver and involves an off-by-1 boundary check issue. Detection would require checking the kernel version and the iwlwifi driver version for known vulnerable releases. Use commands like uname -a to check the kernel version and modinfo iwlwifi to inspect the driver version. Compare these against the fixed versions mentioned in kernel security advisories.

Impact Analysis

This vulnerability could allow an attacker to cause a denial of service, crash the system, or potentially execute arbitrary code with kernel privileges by sending specially crafted network packets to the affected Wi-Fi device.

Mitigation Strategies

Update the Linux kernel to the latest patched version to resolve the off-by-1 boundary check issue in the iwlwifi driver.

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