CVE-2017-9374

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-06-16 · updated 2026-06-17
Weakness: CWE-401

Description

Memory leak in QEMU (aka Quick Emulator), when built with USB EHCI Emulation support, allows local guest OS privileged users to cause a denial of service (memory consumption) by repeatedly hot-unplugging the device.

Affected products

QEMU: through 2.8.1.1

References

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=d710e1e7bd3d5bfc26b631f02ae87901ebe646b0
http://www.debian.org/security/2017/dsa-3920
http://www.openwall.com/lists/oss-security/2017/06/06/3
http://www.securityfocus.com/bid/98905
https://access.redhat.com/errata/RHSA-2017:2392
https://access.redhat.com/errata/RHSA-2017:2408
https://bugzilla.redhat.com/show_bug.cgi?id=1459132
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=d710e1e7bd3d5bfc26b631f02ae87901ebe646b0
http://www.debian.org/security/2017/dsa-3920
http://www.openwall.com/lists/oss-security/2017/06/06/3
http://www.securityfocus.com/bid/98905

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