CVE-2017-7493

7.8 HIGH
Published: May 17, 2017 Modified: May 13, 2026
View on NVD

Description

Quick Emulator (Qemu) built with the VirtFS, host directory sharing via Plan 9 File System(9pfs) support, is vulnerable to an improper access control issue. It could occur while accessing virtfs metadata files in mapped-file security mode. A guest user could use this flaw to escalate their privileges inside guest.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://seclists.org/oss-sec/2017/q2/278
Source: secalert@redhat.com
Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/98574
Source: secalert@redhat.com
Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1451709
Source: secalert@redhat.com
Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg03663.html
Source: secalert@redhat.com
Mailing List Patch Third Party Advisory
https://security.gentoo.org/glsa/201706-03
Source: secalert@redhat.com
Third Party Advisory
http://seclists.org/oss-sec/2017/q2/278
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/98574
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1451709
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg03663.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
https://security.gentoo.org/glsa/201706-03
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

12 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
0.4%
29th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

qemu debian