CVE-2017-7493
Published: 17 May 2017
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.
Priority
Status
Package | Release | Status |
---|---|---|
qemu Launchpad, Ubuntu, Debian |
groovy |
Not vulnerable
(1:2.10+dfsg-0ubuntu1)
|
hirsute |
Not vulnerable
(1:2.10+dfsg-0ubuntu1)
|
|
artful |
Not vulnerable
(1:2.10+dfsg-0ubuntu1)
|
|
bionic |
Not vulnerable
(1:2.10+dfsg-0ubuntu1)
|
|
cosmic |
Not vulnerable
(1:2.10+dfsg-0ubuntu1)
|
|
disco |
Not vulnerable
(1:2.10+dfsg-0ubuntu1)
|
|
eoan |
Not vulnerable
(1:2.10+dfsg-0ubuntu1)
|
|
focal |
Not vulnerable
(1:2.10+dfsg-0ubuntu1)
|
|
trusty |
Released
(2.0.0+dfsg-2ubuntu1.35)
|
|
upstream |
Needed
|
|
xenial |
Released
(1:2.5+dfsg-5ubuntu10.15)
|
|
yakkety |
Ignored
(end of life)
|
|
zesty |
Released
(1:2.8+dfsg-3ubuntu2.4)
|
|
Patches: other: https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg03663.html upstream: https://git.qemu.org/gitweb.cgi?p=qemu.git;a=commit;h=7a95434e0ca8a037fd8aa1a2e2461f92585eb77b |
||
qemu-kvm Launchpad, Ubuntu, Debian |
groovy |
Does not exist
|
hirsute |
Does not exist
|
|
artful |
Does not exist
|
|
bionic |
Does not exist
|
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needed
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
Patches: other: https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg03663.html |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.8 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |