CVE Catalog

CVE-2017-8063

High
Published: Translated: NVD NIST

Summary

In the Linux kernel versions 4.9.x and 4.10.x before 4.10.12, there is a bug in the cxusb.c file that incorrectly interacts with the CONFIG_VMAP_STACK option. This allows local users to cause a denial of service (system crash) or potentially have unspecified other impacts by leveraging the use of more than one virtual page for a DMA scatterlist.

Risk Assessment

This vulnerability may lead to system crashes, affecting the availability of services within the organization. There is also a risk of unspecified impacts that could affect system stability.

Recommendation

It is recommended to update the Linux kernel to version 4.10.12 or later to mitigate this vulnerability. Additionally, monitor systems for unauthorized access by local users.

Related vulnerabilities

Original NVD description (English source)

drivers/media/usb/dvb-usb/cxusb.c in the Linux kernel 4.9.x and 4.10.x before 4.10.12 interacts incorrectly with the CONFIG_VMAP_STACK option, which allows local users to cause a denial of service (system crash) or possibly have unspecified other impact by leveraging use of more than one virtual page for a DMA scatterlist.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS