7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
8 High
AI Score
Confidence
High
0.053 Low
EPSS
Percentile
93.1%
Matt Tait discovered that QEMU incorrectly handled the virtual PCNET
driver. A malicious guest could use this issue to cause a denial of
service, or possibly execute arbitrary code on the host as the user running
the QEMU process. In the default installation, when QEMU is used with
libvirt, attackers would be isolated by the libvirt AppArmor profile.
(CVE-2015-3209)
Kurt Seifried discovered that QEMU incorrectly handled certain temporary
files. A local attacker could use this issue to cause a denial of service.
(CVE-2015-4037)
Jan Beulich discovered that the QEMU Xen code incorrectly restricted write
access to the host MSI message data field. A malicious guest could use this
issue to cause a denial of service. This issue only applied to Ubuntu 14.04
LTS, Ubuntu 14.10 and Ubuntu 15.04. (CVE-2015-4103)
Jan Beulich discovered that the QEMU Xen code incorrectly restricted access
to the PCI MSI mask bits. A malicious guest could use this issue to cause a
denial of service. This issue only applied to Ubuntu 14.04 LTS, Ubuntu
14.10 and Ubuntu 15.04. (CVE-2015-4104)
Jan Beulich discovered that the QEMU Xen code incorrectly handled MSI-X
error messages. A malicious guest could use this issue to cause a denial of
service. This issue only applied to Ubuntu 14.04 LTS, Ubuntu 14.10 and
Ubuntu 15.04. (CVE-2015-4105)
Jan Beulich discovered that the QEMU Xen code incorrectly restricted write
access to the PCI config space. A malicious guest could use this issue to
cause a denial of service, obtain sensitive information, or possibly
execute arbitrary code. This issue only applied to Ubuntu 14.04 LTS,
Ubuntu 14.10 and Ubuntu 15.04. (CVE-2015-4106)
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Ubuntu | 15.04 | noarch | qemu-system | < 1:2.2+dfsg-5expubuntu9.2 | UNKNOWN |
Ubuntu | 15.04 | noarch | qemu | < 1:2.2+dfsg-5expubuntu9.2 | UNKNOWN |
Ubuntu | 15.04 | noarch | qemu-guest-agent | < 1:2.2+dfsg-5expubuntu9.2 | UNKNOWN |
Ubuntu | 15.04 | noarch | qemu-guest-agent-dbgsym | < 1:2.2+dfsg-5expubuntu9.2 | UNKNOWN |
Ubuntu | 15.04 | noarch | qemu-kvm | < 1:2.2+dfsg-5expubuntu9.2 | UNKNOWN |
Ubuntu | 15.04 | noarch | qemu-system-arm | < 1:2.2+dfsg-5expubuntu9.2 | UNKNOWN |
Ubuntu | 15.04 | noarch | qemu-system-arm-dbgsym | < 1:2.2+dfsg-5expubuntu9.2 | UNKNOWN |
Ubuntu | 15.04 | noarch | qemu-system-common | < 1:2.2+dfsg-5expubuntu9.2 | UNKNOWN |
Ubuntu | 15.04 | noarch | qemu-system-common-dbgsym | < 1:2.2+dfsg-5expubuntu9.2 | UNKNOWN |
Ubuntu | 15.04 | noarch | qemu-system-mips | < 1:2.2+dfsg-5expubuntu9.2 | UNKNOWN |