CVE-2017-8071 Information

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.9 http://www.openwall.com/lists/oss-security/2017/04/16/4 http://www.securityfocus.com/bid/97991 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7a7b5df84b6b4e5d599c7289526eed96541a0654 https://github.com/torvalds/linux/commit/7a7b5df84b6b4e5d599c7289526eed96541a0654

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5