CVE-2017-14156

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.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3.0 : MEDIUM

Vector : AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

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

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/torvalds/linux/pull/441	Issue Tracking Patch Third Party Advisory
https://marc.info/?l=linux-kernel&m=150453196710422&w=2	Mailing List Patch Third Party Advisory
https://marc.info/?l=linux-kernel&m=150401461613306&w=2	Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/100634
http://www.debian.org/security/2017/dsa-3981
https://usn.ubuntu.com/3583-2/
https://usn.ubuntu.com/3583-1/

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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Information

Published : 2017-09-05 10:29

Updated : 2018-03-15 18:29

NVD link : CVE-2017-14156

Mitre link : CVE-2017-14156

JSON object : View

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

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Products Affected

linux

linux_kernel

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