CVE-2015-8744 — MEDIUM (5.5)

Q: How severe is CVE-2015-8744?

CVE-2015-8744 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2015-8744?

Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux.

Vulnerability Description

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.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Qemu	Qemu	<= 2.4.1
Debian	Debian Linux	8.0

Related Weaknesses (CWE)

CWE-20

References

http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=a7278b36fcab9af469563bd7b
http://www.debian.org/security/2016/dsa-3471Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/04/3Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/04/6Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/79821Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1034576Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1270871Issue TrackingThird Party Advisory
https://security.gentoo.org/glsa/201602-01Third Party Advisory
http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=a7278b36fcab9af469563bd7b
http://www.debian.org/security/2016/dsa-3471Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/04/3Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/04/6Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/79821Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1034576Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1270871Issue TrackingThird Party Advisory

FAQ

What is CVE-2015-8744?

CVE-2015-8744 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 (...

How severe is CVE-2015-8744?

CVE-2015-8744 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2015-8744?

Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux.