CVE-2017-7346

In the Linux kernel's vmw_gb_surface_define_ioctl() function, in 'drivers/gpu/drm/vmwgfx/vmwgfx_surface.c' file, a 'req->mip_levels' is a user-controlled value which is later used as a loop count limit. This allows local unprivileged user to cause a denial of service by a kernel lockup via a crafted ioctl call for a '/dev/dri/renderD*' device.

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 as the code where the flaw was found is not present in this product.

This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 6, 7 and MRG-2. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.