Data Race Vulnerability in Linux Kernel
Summary
GSD-2022-1004571: raw: Fix a data-race around sysctl_raw_l3mdev_accept. Affects Kernel versions >= 6897445fb194c8ad046df4a13e1ee9f080a5a21e, < 038a87b3e460d2ee579c8b1bd3890d816d6687b1. No fix is published. How to fix ↓
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Background
The Linux Kernel is a critical component of the Linux operating system, responsible for managing system resources and providing an interface between hardware and software. It is widely used in various devices, including servers, desktops, and embedded systems. The vulnerability identified in this report relates to a data race issue in the kernel's sysctl_raw_l3mdev_accept function.
Vulnerability Detail
The data race vulnerability in sysctl_raw_l3mdev_accept can lead to unpredictable behavior and potential security risks. A data race occurs when multiple threads or processes access shared data concurrently without proper synchronization. In this case, the vulnerability arises due to a lack of synchronization mechanisms, allowing simultaneous access to critical data. Attackers may exploit this vulnerability to manipulate the shared data, leading to denial of service, privilege escalation, or information disclosure.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been provided for this vulnerability. It is crucial to apply the recommended fix by updating the Linux Kernel to the patched version.
Conclusion
The data race vulnerability in the Linux Kernel's sysctl_raw_l3mdev_accept function can have serious security implications. It is crucial to update the kernel to the patched version to mitigate the risk. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The Linux Kernel is the core component of the Linux operating system, responsible for managing system resources and providing an interface between hardware and software.
A data race vulnerability occurs when multiple threads or processes access shared data concurrently without proper synchronization, leading to unpredictable behavior and potential security risks.
sysctl_raw_l3mdev_accept is a function in the Linux Kernel that is vulnerable to a data race issue. It is related to the handling of raw packets in the network stack.
The data race vulnerability in sysctl_raw_l3mdev_accept can be exploited by attackers to manipulate shared data, potentially leading to denial of service, privilege escalation, or information disclosure.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.10.132 or later, which includes the necessary patch. Users can obtain the updated kernel version from the official Linux Kernel repository.
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