Summaryinfo

A vulnerability categorized as problematic has been discovered in Linux Kernel up to 5.3.11. The affected element is the function rsi_send_beacon of the file drivers/net/wireless/rsi/rsi_91x_mgmt.c. Executing a manipulation can lead to resource consumption. This vulnerability appears as CVE-2019-19071. The attack may be performed from remote. There is no available exploit. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.3.11 (Operating System). It has been declared as problematic. This vulnerability affects the function rsi_send_beacon of the file drivers/net/wireless/rsi/rsi_91x_mgmt.c. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. CVE summarizes:

A memory leak in the rsi_send_beacon() function in drivers/net/wireless/rsi/rsi_91x_mgmt.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering rsi_prepare_beacon() failures, aka CID-d563131ef23c.

The weakness was presented 11/18/2019. This vulnerability was named CVE-2019-19071 since 11/18/2019. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/23/2024). The MITRE ATT&CK project declares the attack technique as T1499.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-145892, VDB-145891, VDB-145890 and VDB-145889 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 5.3.0
• 5.3.1
• 5.3.2
• 5.3.3
• 5.3.4
• 5.3.5
• 5.3.6
• 5.3.7
• 5.3.8
• 5.3.9
• 5.3.10
• 5.3.11

License

• open-source

Website

• Vendor: https://www.kernel.org/

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