Memory leak in QEMU - CVE-2016-7994
Published: December 10, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32128
CSH Severity: Medium
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-7994
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the virtio_gpu_resource_create_2d function in hw/display/virtio-gpu.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption) via a large number of VIRTIO_GPU_CMD_RESOURCE_CREATE_2D commands. A remote attacker can perform a denial of service attack.
Affected software
QEMU
qemu (Alpine package)
qemu (Alpine package)
How to mitigate CVE-2016-7994
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
qemu (Alpine package) - update to 2.8.1-r1
External References
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
- http://www.openwall.com/lists/oss-security/2016/10/07/2
- http://www.openwall.com/lists/oss-security/2016/10/08/3
- http://www.securityfocus.com/bid/93453
- https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg04083.html
- https://security.gentoo.org/glsa/201611-11