Vulnerability in Qemu
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 or memory consumption) via vectors related to an already in-use fid.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (29.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Qemu — versions 2.9.0
- Debian Linux — versions 8.0
Weakness classification (CWE)
References
- lists.debian.org/debian-lts-announce/2018/09/msg00007.html (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2017/04/03/2 (mailing-list, Patch, Mailing List, VDB Entry, Third Party Advisory)
- security.gentoo.org/glsa/201706-03 (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- git.qemu-project.org/
- lists.gnu.org/archive/html/qemu-devel/2017-03/msg05449.html (mailing-list, Patch, Third Party Advisory)
- www.securityfocus.com/bid/97319 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-7377?
- CVE-2017-7377 is a medium-severity vulnerability in Qemu, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 6.0/10. Published 2017-04-10.
- How severe is CVE-2017-7377?
- Medium severity. CVSS v3 base score is 6.0 out of 10.