PT-2017-19065

CVE-2017-9605

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Published

2017-06-13

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Updated

2018-07-09

Description by

CVSS 3.1
5.5
Medium
MetricsAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.11.5
Description The issue concerns the vmw gb surface define ioctl function, accessible via the DRM IOCTL VMW GB SURFACE CREATE ioctl call, which does not properly initialize a backup handle variable. This allows local users to obtain sensitive information from uninitialized kernel memory by creating a GB surface with a previously allocated DMA buffer as a backup buffer, and then making a crafted ioctl call.
Recommendations For Linux kernel versions prior to 4.11.5, update to version 4.11.5 or later to resolve the issue.
Exploitability
Fix
Impacts
Researchers
Vendors
Affected products
Related identifiers
ALT-PU-2017-1854
ALT-PU-2018-1991
DSA-3927-1
DSA-3945-1
MGASA-2017-0186
MGASA-2017-0187
MGASA-2017-0188
USN-3358-1
USN-3359-1
USN-3360-1
USN-3360-2
USN-3364-1
USN-3364-2
USN-3364-3
USN-3371-1
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