Vulnerability Details : 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.
Vulnerability category: Denial of service
Products affected by CVE-2017-7377
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.9.0:rc0:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.9.0:rc1:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-7377
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-7377
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST | |
|
6.0
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |
1.5
|
4.0
|
NIST |
CWE ids for CVE-2017-7377
-
The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-7377
-
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
[SECURITY] [DLA 1497-1] qemu security updateMailing List;Third Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1437871
1437871 – (CVE-2017-7377) CVE-2017-7377 Qemu: 9pfs: host memory leakage via v9fs_createIssue Tracking;Patch;Third Party Advisory
-
http://www.securityfocus.com/bid/97319
QEMU 'hw/9pfs/9p.c' Multiple Denial of Service VulnerabilitiesThird Party Advisory;VDB Entry
-
http://git.qemu-project.org/?p=qemu.git;a=commit;h=d63fb193e71644a073b77ff5ac6f1216f2f6cf6e
git.qemu.org Git - qemu.git/commitPatch;Vendor Advisory
-
https://lists.gnu.org/archive/html/qemu-devel/2017-03/msg05449.html
[Qemu-devel] [PULL 1/2] 9pfs: fix file descriptor leakPatch;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2017/04/03/2
oss-security - CVE-2017-7377 Qemu: 9pfs: host memory leakage via v9fs_createMailing List;Patch;Third Party Advisory;VDB Entry
-
https://security.gentoo.org/glsa/201706-03
QEMU: Multiple vulnerabilities (GLSA 201706-03) — Gentoo securityThird Party Advisory
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