CVE-2017-7377

MEDIUM

QEMU - DoS

Title source: llm

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.

References (7)

[Various Sources] http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=d63fb193e71644a073b77ff5ac6f1216f2f6cf6e

[Mailing List, Patch, Third Party Advisory, VDB Entry] http://www.openwall.com/lists/oss-security/2017/04/03/2

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/97319

[Issue Tracking, Patch, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=1437871

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html

[Patch, Third Party Advisory] https://lists.gnu.org/archive/html/qemu-devel/2017-03/msg05449.html

[Third Party Advisory] https://security.gentoo.org/glsa/201706-03

Scores

CVSS v3 6.0

EPSS 0.0008

EPSS Percentile 22.2%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Classification

CWE

CWE-772

Status published

Affected Products (5)

qemu/qemu < 2.8.1

qemu/qemu

debian/debian_linux

n/a/n/a

Timeline

Published Apr 10, 2017

Tracked Since Feb 18, 2026