PT-2016-7318 · Qemu+3 · Qemu+3

Li Qiang · Published 2016-09-16 · Updated 2024-06-15 · CVE-2016-7421

Positive Technologies (AI Summary)

CVSS v3.1

4.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions QEMU (aka Quick Emulator) (affected versions not specified)

Description The issue allows local guest OS administrators to cause a denial of service, resulting in an infinite loop and QEMU process crash. This is due to the failure to limit the process IO loop to the ring size in the pvscsi ring pop req descr function.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Weakness Enumeration

CWE-834

Related Identifiers

ALT-PU-2017-1043

CVE-2016-7421

DLA-1599-1

OPENSUSE-SU-2016_3103-1

OPENSUSE-SU-2024:11287-1

SUSE-SU-2016:2936-1

SUSE-SU-2016:2988-1

USN-3125-1

Affected Products

Alt Linux

Qemu

Suse

Ubuntu

References · 329

• https://security-tracker.debian.org/tracker/CVE-2016-7421 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3125-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17963 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8577 · Security Note
• https://ubuntu.com/security/CVE-2016-9103 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-7909 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-6888 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-7908 · Vendor Advisory
• https://security-tracker.debian.org/tracker/DLA-1599-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-8578 · Vendor Advisory
• https://security.gentoo.org/glsa/201609-01 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4037 · Security Note
• https://bdu.fstec.ru/vul/2017-00071 · Security Note
• https://bdu.fstec.ru/vul/2017-00069 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7155 · Security Note