A vulnerability was found in Linux Kernel (Operating System) (version now known). It has been declared as problematic. Affected by this vulnerability is the function ipv6_renew_options of the component IPv6 Handler. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability.

The weakness was released 10/16/2022. The advisory is shared at git.kernel.org. This vulnerability is known as CVE-2022-3524. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 236648 (Alibaba Cloud Linux 3 : 0002: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0002)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

The vulnerability is also documented in the vulnerability database at Tenable (236648). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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• Operating System

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• Linux

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• Kernel

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• open-source

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