Published: 30/03/2017 Updated: 04/11/2017

CVSS v2 Base Score: 4.9 | Impact Score: 6.9 | Exploitability Score: 3.9

CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8

VMScore: 437

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

The vmw_gb_surface_define_ioctl function in drivers/gpu/drm/vmwgfx/vmwgfx_surface.c in the Linux kernel up to and including 4.10.7 does not validate certain levels data, which allows local users to cause a denial of service (system hang) via a crafted ioctl call for a /dev/dri/renderD* device.

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Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks CVE-2014-9940 A use-after-free flaw in the voltage and current regulator driver could allow a local user to cause a denial of service or potentially escalate privileges CVE-2017-7346 Li ...

Several security issues were fixed in the Linux kernel ...

In the Linux kernel's vmw_gb_surface_define_ioctl() function, in 'drivers/gpu/drm/vmwgfx/vmwgfx_surfacec' 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 ...

CWE-20 https://lists.freedesktop.org/archives/dri-devel/2017-March/137429.html https://bugzilla.redhat.com/show_bug.cgi?id=1437431 http://marc.info/?l=linux-kernel&m=149086968410117&w=2 http://www.securityfocus.com/bid/97257 http://www.debian.org/security/2017/dsa-3945 http://www.debian.org/security/2017/dsa-3927 https://nvd.nist.gov https://www.debian.org/security/./dsa-3945 https://usn.ubuntu.com/3358-1/

CVE-2017-7346

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