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CVE-2015-8744

Date: December 29, 2016

QEMU (aka Quick Emulator) built with a VMWARE VMXNET3 paravirtual NIC emulator support is vulnerable to crash issue. It occurs when a guest sends a Layer-2 packet smaller than 22 bytes. A privileged (CAP_SYS_RAWIO) guest user could use this flaw to crash the QEMU process instance resulting in DoS.

Language: C

Severity Score

Related Resources (12)

http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=a7278b36fcab9af469563bd7b
http://www.openwall.com/lists/oss-security/2016/01/04/6
https://security.gentoo.org/glsa/201602-01
http://www.openwall.com/lists/oss-security/2016/01/04/3
http://www.securitytracker.com/id/1034576
https://nvd.nist.gov/vuln/detail/CVE-2015-8744
http://www.debian.org/security/2016/dsa-3471
https://security-tracker.debian.org/tracker/CVE-2015-8744
http://www.securityfocus.com/bid/79821
https://people.canonical.com/~ubuntu-security/cve/CVE-2015-8744
https://bugzilla.redhat.com/show_bug.cgi?id=1270871
https://www.mend.io/vulnerability-database/CVE-2015-8744

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

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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