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CVE-2013-4579

MediumPublished

The ath9k_htc_set_bssid_mask function in drivers/net/wireless/ath/ath9k/htc_drv_main.c in the Linux kernel through 3.12 uses a BSSID masking approach to...

Published: Nov 19, 2013
Updated: Aug 6, 2024
Assigning CNA: redhat
Evidence observed: Dec 10, 2013

Primary CVSS

4.3/ 10Medium

nvd · CVSS 2.0

AV:N/AC:M/Au:N/C:P/I:N/A:N

EPSS probability estimate

10.2%

Moderate · next 30 days

Percentile: 95.5%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

The ath9k_htc_set_bssid_mask function in drivers/net/wireless/ath/ath9k/htc_drv_main.c in the Linux kernel through 3.12 uses a BSSID masking approach to determine the set of MAC addresses on which a Wi-Fi device is listening, which allows remote attackers to discover the original MAC address after spoofing by sending a series of packets to MAC addresses with certain bit manipulations.

Sources

Linux Kernel 3.0.5 - 'ath9k_htc_set_bssid_mask()' Information DisclosureExploit
Mathy Vanhoef · linux · Dec 10, 2013

Responsible use

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