4.4
MEDIUM CVSS 3.1
CVE-2016-9104
Vulnerability in QEMU 9pFS Integer Overflows Allows Denial of Service
Description

Multiple integer overflows in the (1) v9fs_xattr_read and (2) v9fs_xattr_write functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS administrators to cause a denial of service (QEMU process crash) via a crafted offset, which triggers an out-of-bounds access.

INFO

Published Date :

Dec. 9, 2016, 10:59 p.m.

Last Modified :

April 12, 2025, 10:46 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2016-9104 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Debian debian_linux
1 Opensuse leap
1 Qemu qemu
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 LOW [email protected]
CVSS 3.1 MEDIUM [email protected]
Solution
Update QEMU and Xen packages to address multiple integer overflows for a denial of service.
  • Update the affected QEMU packages.
  • Update the affected Xen packages.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2016-9104.

URL Resource
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/28/2 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/30/8 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/93956 Third Party Advisory VDB Entry
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg02942.html Patch Third Party Advisory
https://security.gentoo.org/glsa/201611-11 Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/28/2 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/30/8 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/93956 Third Party Advisory VDB Entry
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg02942.html Patch Third Party Advisory
https://security.gentoo.org/glsa/201611-11 Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-9104 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2016-9104 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-9104 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-9104 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
    Added Reference http://www.openwall.com/lists/oss-security/2016/10/28/2
    Added Reference http://www.openwall.com/lists/oss-security/2016/10/30/8
    Added Reference http://www.securityfocus.com/bid/93956
    Added Reference https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
    Added Reference https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg02942.html
    Added Reference https://security.gentoo.org/glsa/201611-11
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Oct. 21, 2020

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html No Types Assigned http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html Mailing List, Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/93956 No Types Assigned http://www.securityfocus.com/bid/93956 Third Party Advisory, VDB Entry
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html No Types Assigned https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg02942.html Patch, Vendor Advisory https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg02942.html Patch, Third Party Advisory
    Changed Reference Type https://security.gentoo.org/glsa/201611-11 No Types Assigned https://security.gentoo.org/glsa/201611-11 Third Party Advisory
    Removed CWE NIST CWE-125
    Changed CPE Configuration OR *cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:* OR *cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* versions up to (including) 2.7.1
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Dec. 01, 2018

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 01, 2017

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201611-11 [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 07, 2017

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 13, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/93956 [No Types Assigned]
  • Initial Analysis by [email protected]

    Dec. 12, 2016

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:*
    Added CVSS V2 (AV:L/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/10/30/8 No Types Assigned http://www.openwall.com/lists/oss-security/2016/10/30/8 Third Party Advisory, Mailing List
    Changed Reference Type https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg02942.html No Types Assigned https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg02942.html Vendor Advisory, Patch
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/10/28/2 No Types Assigned http://www.openwall.com/lists/oss-security/2016/10/28/2 Third Party Advisory, Mailing List
    Added CWE CWE-125
    Added CWE CWE-190
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 4.4
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 2.1
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.12 }} 0.00%

score

0.31823

percentile