CVE-2016-4439

6.7 MEDIUM
Published: May 20, 2016 Modified: May 06, 2026
View on NVD

Description

The esp_reg_write function in hw/scsi/esp.c in the 53C9X Fast SCSI Controller (FSC) support in QEMU does not properly check command buffer length, which allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) or potentially execute arbitrary code on the QEMU host via unspecified vectors.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/05/19/3
Source: secalert@redhat.com
Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/90760
Source: secalert@redhat.com
Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-3047-1
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-3047-2
Source: secalert@redhat.com
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1337502
Source: secalert@redhat.com
Issue Tracking Third Party Advisory VDB Entry
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg03273.html
Source: secalert@redhat.com
Mailing List Patch Third Party Advisory
https://security.gentoo.org/glsa/201609-01
Source: secalert@redhat.com
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/05/19/3
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/90760
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-3047-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3047-2
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1337502
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Third Party Advisory VDB Entry
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg03273.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
https://security.gentoo.org/glsa/201609-01
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

16 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.7 / 10.0
EPSS (Exploit Probability)
0.2%
45th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

qemu canonical debian