Vulnerability CVE-2017-7377
Published: 2017-04-10

Description:
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.

Type:

CWE-772

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
QEMU -> QEMU 

 References:
http://git.qemu-project.org/?p=qemu.git;a=commit;h=d63fb193e71644a073b77ff5ac6f1216f2f6cf6e
http://www.openwall.com/lists/oss-security/2017/04/03/2
http://www.securityfocus.com/bid/97319
https://bugzilla.redhat.com/show_bug.cgi?id=1437871
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
https://lists.gnu.org/archive/html/qemu-devel/2017-03/msg05449.html
https://security.gentoo.org/glsa/201706-03
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