CVE-2016-9914

Published: 29 December 2016

Memory leak in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local privileged guest OS users to cause a denial of service (host memory consumption and possibly QEMU process crash) by leveraging a missing cleanup operation in FileOperations.

Priority

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package	Release	Status
qemu Launchpad, Ubuntu, Debian	artful	Released (1:2.8+dfsg-3ubuntu2.1)
	bionic	Released (1:2.8+dfsg-3ubuntu2.1)
	cosmic	Released (1:2.8+dfsg-3ubuntu2.1)
	disco	Released (1:2.8+dfsg-3ubuntu2.1)
	eoan	Released (1:2.8+dfsg-3ubuntu2.1)
	focal	Released (1:2.8+dfsg-3ubuntu2.1)
	groovy	Released (1:2.8+dfsg-3ubuntu2.1)
	hirsute	Released (1:2.8+dfsg-3ubuntu2.1)
	precise	Does not exist
	trusty	Released (2.0.0+dfsg-2ubuntu1.33)
	upstream	Needed
	xenial	Released (1:2.5+dfsg-5ubuntu10.11)
	yakkety	Released (1:2.6.1+dfsg-0ubuntu5.4)
	zesty	Released (1:2.8+dfsg-3ubuntu2.1)
	Patches: upstream: http://git.qemu-project.org/?p=qemu.git;a=commit;h=702dbcc274e2ca43be20ba64c758c0ca57dab91d upstream: http://git.qemu-project.org/?p=qemu.git;a=commit;h=f2b58c43758efc61e2a49b899f5e58848489d0dc
qemu-kvm Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Does not exist
	cosmic	Does not exist
	disco	Does not exist
	eoan	Does not exist
	focal	Does not exist
	groovy	Does not exist
	hirsute	Does not exist
	precise	Ignored (reached end-of-life)
	trusty	Does not exist
	upstream	Needed
	xenial	Does not exist
	yakkety	Does not exist
	zesty	Does not exist

Severity score breakdown

Parameter	Value
Base score	6.5
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Changed
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

References

Bugs

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=847496

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