Description
The atyfb_ioctl function in drivers/video/fbdev/aty/atyfb_base.c in the Linux kernel through 4.12.10 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory by reading locations associated with padding bytes.
References (7)
Core 7
Core References
Mailing List, Patch, Third Party Advisory x_refsource_misc
https://marc.info/?l=linux-kernel&m=150453196710422&w=2
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3583-2/
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2017/dsa-3981
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://github.com/torvalds/linux/pull/441
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3583-1/
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/100634
Mailing List, Patch, Third Party Advisory x_refsource_misc
https://marc.info/?l=linux-kernel&m=150401461613306&w=2
Scores
CVSS v3
5.5
EPSS
0.0039
EPSS Percentile
31.0%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-200
Status
published
Products (1)
linux/linux_kernel
< 4.12.10
Published
Sep 05, 2017
Tracked Since
Feb 18, 2026