CVE-2017-8071

MEDIUM

Linux Kernel 4.9.x < 4.9.9 - Denial of Service via HID cp2112 Driver Spinlock Deadlock

Title source: llm
STIX 2.1

Description

drivers/hid/hid-cp2112.c in the Linux kernel 4.9.x before 4.9.9 uses a spinlock without considering that sleeping is possible in a USB HID request callback, which allows local users to cause a denial of service (deadlock) via unspecified vectors.

References (5)

Core 5
Core References
Release Notes, Vendor Advisory x_refsource_confirm
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.9
Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2017/04/16/4
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/97991

Scores

CVSS v3 5.5
EPSS 0.0040
EPSS Percentile 31.2%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-404
Status published
Products (8)
linux/linux_kernel 4.9
linux/linux_kernel 4.9.1
linux/linux_kernel 4.9.2
linux/linux_kernel 4.9.3
linux/linux_kernel 4.9.4
linux/linux_kernel 4.9.5
linux/linux_kernel 4.9.6
linux/linux_kernel 4.9.8
Published Apr 23, 2017
Tracked Since Feb 18, 2026