A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 5.3.8 (Operating System). This issue affects the function crypto_reportstat of the file drivers/virt/vboxguest/vboxguest_utils.c. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

A memory leak in the crypto_reportstat() function in drivers/virt/vboxguest/vboxguest_utils.c in the Linux kernel before 5.3.9 allows attackers to cause a denial of service (memory consumption) by triggering copy_form_user() failures, aka CID-e0b0cb938864.

The weakness was published 11/18/2019. The identification of this vulnerability is CVE-2019-19048 since 11/18/2019. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 5.3.9 eliminates this vulnerability.

Similar entries are available at VDB-145869, VDB-145868, VDB-145867 and VDB-145866.

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

License

• open-source

CPE 2.3info

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• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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