CVE-2017-5579

MEDIUM

QEMU < 2.8.1.1 - Denial of Service via Serial Device Unplug Operations

Title source: llm
STIX 2.1

Description

Memory leak in the serial_exit_core function in hw/char/serial.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.

References (8)

Core 8
Core References
Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2017/01/24/8
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2392
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201702-28
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/95780
Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2017/01/25/3
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2408

Scores

CVSS v3 6.5
EPSS 0.0007
EPSS Percentile 21.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Details

CWE
CWE-401
Status published
Products (3)
debian/debian_linux 8.0
qemu/qemu 2.9.0 rc0 (6 CPE variants)
qemu/qemu < 2.8.1.1
Published Mar 15, 2017
Tracked Since Feb 18, 2026