CVE-2015-7549

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

The MSI-X MMIO support in hw/pci/msix.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by leveraging failure to define the .write method.

References

http://git.qemu.org/?p=qemu.git;a=commit;h=43b11a91dd861a946b231b89b754285

http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175380.html

http://www.debian.org/security/2016/dsa-3471

http://www.openwall.com/lists/oss-security/2015/12/14/2

http://www.securityfocus.com/bid/80761

https://bugzilla.redhat.com/show_bug.cgi?id=1291137

https://security.gentoo.org/glsa/201602-01

Details

Source: MITRE

Published: 2017-10-30

Updated: 2017-11-21

Type: CWE-476

Risk Information

CVSS v2

Base Score: 2.1

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3

Base Score: 6

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Impact Score: 4

Exploitability Score: 1.5

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:qemu:qemu:*:r1:*:*:*:*:*:*

Tenable Plugins

View all (22 total)

IDNameProductFamilySeverity
135559EulerOS 2.0 SP3 : qemu-kvm (EulerOS-SA-2020-1430)NessusHuawei Local Security Checks
critical
131585EulerOS 2.0 SP2 : qemu-kvm (EulerOS-SA-2019-2431)NessusHuawei Local Security Checks
critical
130689EulerOS 2.0 SP5 : qemu-kvm (EulerOS-SA-2019-2227)NessusHuawei Local Security Checks
critical
93180SUSE SLES11 Security Update : kvm (SUSE-SU-2016:1785-1)NessusSuSE Local Security Checks
critical
93170SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2016:1703-1)NessusSuSE Local Security Checks
critical
93169SUSE SLES11 Security Update : kvm (SUSE-SU-2016:1698-1)NessusSuSE Local Security Checks
critical
91980openSUSE Security Update : qemu (openSUSE-2016-839)NessusSuSE Local Security Checks
critical
91660SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2016:1560-1)NessusSuSE Local Security Checks
critical
91249SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2016:1318-1)NessusSuSE Local Security Checks
critical
90396SUSE SLED11 / SLES11 Security Update : xen (SUSE-SU-2016:0955-1)NessusSuSE Local Security Checks
critical
90186SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2016:0873-1)NessusSuSE Local Security Checks
critical
89634Fedora 23 : qemu-2.4.1-5.fc23 (2016-e9bba2bb01)NessusFedora Local Security Checks
medium
89624Fedora 22 : xen-4.5.2-7.fc22 (2016-e1784417af)NessusFedora Local Security Checks
high
89574Fedora 22 : qemu-2.3.1-10.fc22 (2016-890e612f52)NessusFedora Local Security Checks
medium
89503Fedora 23 : xen-4.5.2-7.fc23 (2016-2c15b72b01)NessusFedora Local Security Checks
high
88630Debian DSA-3471-1 : qemu - security updateNessusDebian Local Security Checks
critical
88587GLSA-201602-01 : QEMU: Multiple vulnerabilities (Venom)NessusGentoo Local Security Checks
critical
88576Ubuntu 12.04 LTS / 14.04 LTS / 15.10 : qemu, qemu-kvm vulnerabilities (USN-2891-1)NessusUbuntu Local Security Checks
high
88126openSUSE Security Update : xen (openSUSE-2016-36)NessusSuSE Local Security Checks
high
88125openSUSE Security Update : xen (openSUSE-2016-35)NessusSuSE Local Security Checks
high
88124openSUSE Security Update : xen (openSUSE-2016-34)NessusSuSE Local Security Checks
high
87690FreeBSD : qemu -- denial of service vulnerability in MSI-X support (3fb06284-b1b7-11e5-9728-002590263bf5)NessusFreeBSD Local Security Checks
medium