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CVE-2017-8071

Date: April 23, 2017

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.

Language: C

Severity Score

Related Resources (7)

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.9
https://nvd.nist.gov/vuln/detail/CVE-2017-8071
http://www.openwall.com/lists/oss-security/2017/04/16/4
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7a7b5df84b6b4e5d599c7289526eed96541a0654
https://github.com/torvalds/linux/commit/7a7b5df84b6b4e5d599c7289526eed96541a0654
http://www.securityfocus.com/bid/97991
https://www.mend.io/vulnerability-database/CVE-2017-8071

Severity Score

Weakness Type (CWE)

Improper Resource Shutdown or Release

CWE-404

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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