SB2016121008 - Memory leak in QEMU
Published: December 10, 2016 Updated: July 28, 2020
Security Bulletin ID
SB2016121008
Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2016-7994)
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.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.
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