CVE-2017-5579

MEDIUM

Qemu < 2.8.1.1 - Memory Leak

Title source: rule

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)

[Various Sources] http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=8409dc884a201bf74b30a9d232b6bbdd00cb7e2b

[Mailing List, Patch, Third Party Advisory] http://www.openwall.com/lists/oss-security/2017/01/24/8

[Mailing List, Patch, Third Party Advisory] http://www.openwall.com/lists/oss-security/2017/01/25/3

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/95780

[Third Party Advisory] https://access.redhat.com/errata/RHSA-2017:2392

[Third Party Advisory] https://access.redhat.com/errata/RHSA-2017:2408

[Third Party Advisory] https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html

[Third Party Advisory] https://security.gentoo.org/glsa/201702-28

Scores

CVSS v3 6.5

EPSS 0.0014

EPSS Percentile 33.2%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Classification

CWE

CWE-401

Status published

Affected Products (9)

qemu/qemu < 2.8.1.1

qemu/qemu

qemu/qemu

qemu/qemu

qemu/qemu

qemu/qemu

qemu/qemu

debian/debian_linux

n/a/n/a

Timeline

Published Mar 15, 2017

Tracked Since Feb 18, 2026