Race Condition Vulnerability in cfg80211 Package
Summary
GSD-2022-1000549: cfg80211: fix race in netlink owner interface destruction. Affects Kernel versions >= ea6b2098dd02789f68770fd3d5a373732207be2f, < c979f792a2baf6d0f3419587668a1a6eba46a3d2. No fix is published. How to fix ↓
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Background
The cfg80211 package is a component of the Linux Kernel that provides the core infrastructure for wireless LAN drivers. It includes functionality for managing wireless devices, scanning for available networks, and handling network configuration. The package is crucial for wireless networking on Linux systems.
Vulnerability Detail
The race condition vulnerability in cfg80211 affects the netlink owner interface destruction process. This vulnerability allows for a race condition to occur when destroying the netlink owner interface, which can lead to various issues such as use-after-free or double-free vulnerabilities. An attacker could potentially exploit this vulnerability to execute arbitrary code, escalate privileges, or cause a denial-of-service condition.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is essential to apply the fix mentioned above to mitigate the risk.
Conclusion
The race condition vulnerability in the cfg80211 package of the Linux Kernel can have severe security implications, including arbitrary code execution and privilege escalation. It is crucial to update the Linux Kernel to the recommended version and apply the necessary fix to mitigate the risk. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
cfg80211 is a package in the Linux Kernel that provides the core infrastructure for wireless LAN drivers.
This vulnerability can potentially allow an attacker to execute arbitrary code, escalate privileges, or cause a denial-of-service condition.
To fix this vulnerability, update the Linux Kernel to version v5.16.11 or later by applying commit c979f792a2baf6d0f3419587668a1a6eba46a3d2.
No, there is no known workaround for this vulnerability. It is crucial to apply the fix mentioned above.
For more information, refer to the vulnerability details in the Open Source Vulnerability format or consult the official Linux Kernel documentation.
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