CVSS 3.1 Score 5.5 of 10 (medium)


Published Sep 25, 2023
Updated: Nov 7, 2023
CWE ID 684


CVE-2023-5158 is a vulnerability that affects multiple products, including Qtrc2o, Qtrc2i, ohMfk2, and many others. It was found in the Linux Kernel's vringh_kiov_advance function in the host side of a virtio ring. The vulnerability allows for a denial of service attack from a guest to a host through zero length descriptor. The severity of this vulnerability is rated as MEDIUM with a base score of 5.5 according to NIST. The exploitability score is 1.8, and the attack vector is LOCAL with LOW attack complexity. The potential danger it poses to an organization lies in the possibility of disrupting the availability of systems or services on the affected products. To remediate this vulnerability, organizations should update their Linux Kernel to a version that includes the fix for this issue.

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