Vulnerability in Kernel Package: blk-throttle
Summary
GSD-2022-1002745: blk-throttle: Set BIO_THROTTLED when bio has been throttled. Affects Kernel versions < 935fa666534d7b7185e8c6b0191cd06281be4290. 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 Kernel package is a fundamental component of the Linux operating system, responsible for managing the core functionalities and interactions between hardware and software. It provides essential services such as memory management, process scheduling, and device drivers. The blk-throttle vulnerability affects the Kernel package and specifically impacts the handling of block I/O (input/output) operations. This vulnerability allows an attacker to manipulate the throttling mechanism, potentially leading to resource exhaustion, denial of service, or other security breaches.
Vulnerability Detail
The blk-throttle vulnerability arises from a failure to set the BIO_THROTTLED flag when a block I/O operation has been throttled. This flag is crucial for accurately tracking the status of I/O operations and ensuring proper resource allocation. Without setting the BIO_THROTTLED flag, the system may incorrectly assume that the I/O operation is not throttled, leading to potential resource overutilization and performance degradation. Attackers can exploit this vulnerability to exhaust system resources, disrupt normal operations, or launch denial-of-service attacks. It is important to note that the impact and feasibility of attacks have not been conclusively proven.
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. It is advised to apply the recommended fix by updating the Kernel package to the latest version.
Conclusion
The blk-throttle vulnerability in the Kernel package can have serious consequences, including resource exhaustion and denial of service. It is crucial to update the Kernel package to version v5.18.3 or later to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The Kernel package is a critical component of the Linux operating system, responsible for managing core functionalities and interactions between hardware and software.
The blk-throttle vulnerability can lead to resource exhaustion, denial of service, and potential security breaches by allowing attackers to manipulate the throttling mechanism of block I/O operations.
No, the impact and feasibility of attacks exploiting this vulnerability have not been conclusively proven.
To fix the blk-throttle vulnerability, it is recommended to update the Kernel package to version v5.18.3 or later, which includes the necessary fix for this issue.
No specific workaround has been provided for this vulnerability. It is advised to update the Kernel package to the latest version.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
