Memory leak in QEMU - CVE-2015-8568
Published: April 11, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU39211
CSH Severity: Medium
CVSS v4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-8568
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 QEMU, when built with a VMWARE VMXNET3 paravirtual NIC emulator support, allows local guest users to cause a denial of service (host memory consumption) by trying to activate the vmxnet3 device repeatedly. A remote attacker can perform a denial of service attack.
Affected software
QEMU
How to mitigate CVE-2015-8568
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
External References
- http://www.debian.org/security/2016/dsa-3471
- http://www.openwall.com/lists/oss-security/2015/12/15/10
- http://www.securityfocus.com/bid/79721
- https://bugzilla.redhat.com/show_bug.cgi?id=1289816
- https://lists.gnu.org/archive/html/qemu-devel/2015-12/msg02299.html
- https://security.gentoo.org/glsa/201602-01