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CVE-2016-7995

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Date: December 9, 2016

Memory leak in the ehci_process_itd function in hw/usb/hcd-ehci.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption) via a large number of crafted buffer page select (PG) indexes.

Language: C

Severity Score

Related Resources (10)

http://www.openwall.com/lists/oss-security/2016/10/07/3
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=b16c129daf0fed91febbb88de23dae8271c8898a
http://www.securityfocus.com/bid/93454
https://security-tracker.debian.org/tracker/CVE-2016-7995
https://nvd.nist.gov/vuln/detail/CVE-2016-7995
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg06609.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-7995
http://www.openwall.com/lists/oss-security/2016/10/08/4
https://www.mend.io/vulnerability-database/CVE-2016-7995

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

Missing Release of Resource after Effective Lifetime

CWE-772

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): CHANGED
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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