mac80211-hwsim: Late Beacon Hrtimer Handling Vulnerability
Summary
GSD-2021-1001722: mac80211-hwsim: fix late beacon hrtimer handling. Affects Kernel versions >= 01e59e467ecf976c782eecd4dc99644802cc60e2, < ed2adf69e29848d1eb9df99633dde655421c92ed. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The mac80211-hwsim package is a software simulation of the mac80211 wireless stack in the Linux kernel. It provides a virtual environment for testing and developing wireless drivers and applications. The package emulates wireless devices and allows users to create virtual wireless networks. The mac80211-hwsim package is widely used by developers and researchers in the field of wireless networking.
Vulnerability Detail
The mac80211-hwsim package is affected by a vulnerability related to late beacon hrtimer handling. This vulnerability was introduced in version v3.9 of the Linux Kernel and has been present in subsequent versions until it was fixed in version v5.14.10. The vulnerability could potentially be exploited by an attacker to disrupt the normal operation of wireless networks or launch other attacks. However, the actual impact and attack plausibility have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
No specific workaround has been provided for this vulnerability.
Conclusion
The mac80211-hwsim package is affected by a vulnerability related to late beacon hrtimer handling. To mitigate this vulnerability, it is recommended to update the Linux Kernel to version v5.14.10 or later. No specific workaround has been provided for this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
mac80211-hwsim is a software simulation of the mac80211 wireless stack in the Linux kernel. It provides a virtual environment for testing and developing wireless drivers and applications.
The impact of this vulnerability is currently unknown. While it could potentially be exploited to disrupt wireless networks or launch other attacks, the actual impact and attack plausibility have not been proven yet.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.14.10 or later. The fix for this vulnerability was implemented in commit ed2adf69e29848d1eb9df99633dde655421c92ed.
No specific workaround has been provided for this vulnerability.
For more information about this vulnerability, you can refer to the vulnerability database entry: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1001xxx/GSD-2021-1001722.json
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
