net/smc: Avoid overwriting the copies of clcsock callback functions
Summary
GSD-2022-1000469: net/smc: Avoid overwriting the copies of clcsock callback functions. Affects Kernel versions >= 0ef6049f664941bc0f75828b3a61877635048b27, < 7de7ba7a8bd4fde0141de8674c13514d0072f0e6. 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 net/smc package is a part of the Linux Kernel ecosystem. It provides support for the SMC (System Management Controller) protocol, which allows for efficient communication between systems. The package includes various callback functions that handle specific events and actions related to SMC connections. However, a vulnerability has been discovered in the package that allows for the overwriting of these callback functions, potentially leading to unauthorized access or control over SMC connections.
Vulnerability Detail
The vulnerability arises from a flaw in the net/smc package that allows an attacker to overwrite the copies of clcsock callback functions. By exploiting this vulnerability, an attacker could potentially manipulate the behavior of SMC connections, leading to unauthorized access, data leakage, or even system compromise. The vulnerability was introduced in version v5.15.22 of the Linux Kernel and has been fixed in version v5.15.25.
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
There is no specific workaround available for this vulnerability. It is essential to apply the recommended fix by updating the Linux Kernel to the patched version.
Conclusion
The net/smc package in the Linux Kernel is vulnerable to an issue that allows for the overwriting of clcsock callback functions. This vulnerability can result in unauthorized access, data leakage, or system compromise. It is crucial to update the Linux Kernel to version v5.15.25 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The net/smc package is a component of the Linux Kernel that provides support for the SMC protocol, enabling efficient communication between systems.
This vulnerability allows an attacker to overwrite the copies of clcsock callback functions in the net/smc package, potentially leading to unauthorized access, data leakage, or system compromise.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.15.25 or later, which includes the necessary patch to prevent the overwriting of clcsock callback functions.
No, there is no specific workaround available for this vulnerability. It is crucial to apply the recommended fix by updating the Linux Kernel.
Users can obtain the updated Linux Kernel from the official Linux Kernel repository.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
