CVE-2017-7377
Advisory lineage Upstream: 0 Downstream: 9
Modified
Published: 10 Apr 2017, 15:00
Last modified:05 Aug 2024, 15:56
Vulnerability Summary
Overall Risk (default)
low
24/100 CVSS Score
6 MEDIUM
v3.1 (nvd)
EPSS Score
0.04% LOW
0% probability -0.03%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
10 Apr 2017, 15:00
Published
Vulnerability first disclosed
05 Aug 2024, 15:56
Last Modified
Vulnerability information updated
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 Metrics
- v3.1•MEDIUM•Score: 6CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
- v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 0.04%• Percentile: 12%
Techniques & Countermeasures
- CWE-772•Missing Release of Resource after Effective Lifetime
The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.
Affected Systems
- debian•debian_linux
8.0
- qemu•qemu
≤ 2.8.1 | 2.9.0:rc0 | 2.9.0:rc1
References (7)
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- http://www.openwall.com/lists/oss-security/2017/04/03/2
- https://security.gentoo.org/glsa/201706-03
- https://bugzilla.redhat.com/show_bug.cgi?id=1437871
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=d63fb193e71644a073b77ff5ac6f1216f2f6cf6e
- https://lists.gnu.org/archive/html/qemu-devel/2017-03/msg05449.html
- http://www.securityfocus.com/bid/97319