CVE-2017-7377

The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS privileged users to cause a denial of service (file descriptor or memory consumption) via vectors related to an already in-use fid.

CVSS v3.0 6.0 MEDIUM
CVSS v2.0 2.1 LOW

6.0^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.5 / Impact : 4.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

2.1^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://lists.gnu.org/archive/html/qemu-devel/2017-03/msg05449.html	Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1437871	Issue Tracking Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/04/03/2	Mailing List Patch Third Party Advisory VDB Entry
http://git.qemu-project.org/?p=qemu.git;a=commit;h=d63fb193e71644a073b77ff5ac6f1216f2f6cf6e	Patch Vendor Advisory
http://www.securityfocus.com/bid/97319	Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201706-03	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:qemu:qemu::::::::
	cpe:2.3:a:qemu:qemu:2.9.0:rc0::::::
	cpe:2.3:a:qemu:qemu:2.9.0:rc1::::::

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Information

Published : 2017-04-10 08:59

Updated : 2020-09-10 10:40

NVD link : CVE-2017-7377

Mitre link : CVE-2017-7377

JSON object : View

CWE

CWE-772

Missing Release of Resource after Effective Lifetime

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Products Affected

debian

debian_linux

qemu

qemu

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