Vulnerability in net/tls package of Linux Kernel
Summary
GSD-2022-1001365: net/tls: fix slab-out-of-bounds bug in decrypt_internal. Affects Kernel versions >= f295b3ae9f5927e084bd5decdff82390e3471801, < 29be1816cbab9a0dc6243120939fd10a92753756. No fix is published. How to fix ↓
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Background
The net/tls package is a component of the Linux Kernel that provides Transport Layer Security (TLS) functionality for network communication. It is responsible for encrypting and decrypting data transmitted over the network to ensure secure communication. However, a vulnerability has been discovered in the decrypt_internal function of the net/tls package.
Vulnerability Detail
The vulnerability in the decrypt_internal function of the net/tls package can lead to a slab-out-of-bounds bug. This bug can potentially be exploited by an attacker to gain unauthorized access to sensitive information or execute arbitrary code on the affected system. The bug was introduced in version v5.2 of the Linux Kernel and has been fixed in version v5.16.20.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround available for this vulnerability. Updating the Linux Kernel to the fixed version is the recommended solution.
Conclusion
The net/tls package in the Linux Kernel is vulnerable to a slab-out-of-bounds bug in the decrypt_internal function. This vulnerability can potentially lead to unauthorized access or arbitrary code execution. It is crucial to update the Linux Kernel to version v5.16.20 or later to mitigate the risk. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability can potentially allow an attacker to gain unauthorized access to sensitive information or execute arbitrary code on the affected system.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and the Vulert Playground will analyze it for any open-source vulnerabilities, including this one.
At the time of this report, there are no known exploits for this vulnerability. However, it is important to update the Linux Kernel to the fixed version as soon as possible to mitigate the risk.
Yes, this vulnerability can be exploited remotely if the affected system is accessible over the network.
For further support on vulnerability remediation, you can contact info@devnack.com. They can provide guidance and assistance in fixing this vulnerability.
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