Summary
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)
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 14.04 LTS 14.04:LTS | qemu | 2.0.0+dfsg-2ubuntu1.13 |
Vulnerabilities 6
-
Unscored —
Heap-based buffer overflow in the PCNET controller in QEMU allows remote attackers to execute arbitrary code by sending…
-
Unscored —
The slirp_smb function in net/slirp.c in QEMU 2.3.0 and earlier creates temporary files with predictable names, which a…
-
Unscored —
Xen 3.3.x through 4.5.x does not properly restrict write access to the host MSI message data field, which allows local …
-
Unscored —
Xen 3.3.x through 4.5.x does not properly restrict access to PCI MSI mask bits, which allows local x86 HVM guest users …
-
Unscored —
Xen 3.3.x through 4.5.x enables logging for PCI MSI-X pass-through error messages, which allows local x86 HVM guests to…
-
Unscored —
QEMU does not properly restrict write access to the PCI config space for certain PCI pass-through devices, which might …