CVE-2015-8744

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-12-29 · updated 2026-06-17
Weakness: CWE-20

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.

Affected products

Debian Linux: 8.0
QEMU: through 2.4.1

References

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

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