Memory leak in QEMU - CVE-2016-10155
Published: March 15, 2017 / Updated: July 28, 2020
Vulnerability identifier: #VU32078
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-2016-10155
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 hw/watchdog/wdt_i6300esb.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption and QEMU process crash) via a large number of device unplug operations. A remote attacker can perform a denial of service attack.
Affected software
QEMU
Gentoo Linux
qemu (Alpine package)
Gentoo Linux
qemu (Alpine package)
How to mitigate CVE-2016-10155
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
qemu (Alpine package) - update to 2.8.1.1-r0
External References
- http://git.qemu.org/?p=qemu.git;a=commit;h=eb7a20a3616085d46aa6b4b4224e15587ec67e6e
- http://www.openwall.com/lists/oss-security/2017/01/20/14
- http://www.openwall.com/lists/oss-security/2017/01/21/4
- http://www.securityfocus.com/bid/95770
- https://access.redhat.com/errata/RHSA-2017:2392
- https://access.redhat.com/errata/RHSA-2017:2408
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- https://security.gentoo.org/glsa/201702-28