Description:

CVE-2024-44946 is a Use-After-Free (UAF) vulnerability in the Linux kernel's kcm (Kernel Connection Manager) module. It arises when multiple threads concurrently access and modify a Message Block (skb) with the MSG_MORE flag, leading to double-freeing of the skb. This can result in system crashes or arbitrary code execution.

Key Insights:

• High Severity: The SVRS of 42 indicates a critical vulnerability that requires immediate attention.
• Active Exploitation: The vulnerability is actively exploited in the wild, posing a significant threat to affected systems.
• CISA Warning: The Cybersecurity and Infrastructure Security Agency (CISA) has issued a warning, urging organizations to patch their systems promptly.
• Threat Actors: Specific threat actors or groups actively exploiting this vulnerability are not mentioned in the provided information.

Mitigation Strategies:

• Apply Software Updates: Install the latest security patches from the Linux vendor to address the vulnerability.
• Disable kcm Module: If possible, disable the kcm module until a patch is available.
• Restrict Network Access: Limit network access to vulnerable systems to reduce the risk of exploitation.
• Implement Intrusion Detection Systems (IDS): Deploy IDS to detect and block malicious activity targeting this vulnerability.

Additional Information:

If you have further queries regarding this incident, you can use the 'Ask to Analyst' feature, contact SOCRadar directly, or open a support ticket for more information.