Medium severity · published Apr 10, 2017
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…
6.0
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
QE
Qemu · Qemu
through 2.8.1; 2.9.0; 2.9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-7377
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-7377
git.qemu-project.org
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=d63fb193e71644a073b77ff5ac6f1216f2f6cf6e
Mailing List
http://www.openwall.com/lists/oss-security/2017/04/03/2
Third Party Advisory
http://www.securityfocus.com/bid/97319
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1437871
Mailing List
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
Patch
https://lists.gnu.org/archive/html/qemu-devel/2017-03/msg05449.html
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