CVE-2014-8106

Impact:
Important
Public Date:
2014-12-04
CWE:
CWE-20->CWE-119
Bugzilla:
1169454: CVE-2014-8106 qemu: cirrus: insufficient blit region checks
It was found that the Cirrus blit region checks were insufficient. A privileged guest user could use this flaw to write outside of VRAM-allocated buffer boundaries in the host's QEMU process address space with attacker-provided data.

Find out more about CVE-2014-8106 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue affects the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6, a future update may address this flaw.

This issue affects the kvm packages as shipped with Red Hat Enterprise Linux 5. Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This issue is currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

CVSS v2 metrics

Base Score 4.9
Base Metrics AV:A/AC:M/Au:S/C:P/I:P/A:P
Access Vector Adjacent Network
Access Complexity Medium
Authentication Single
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 (qemu-kvm-rhev) RHSA-2015:0891 2015-04-28
Red Hat Enterprise Linux 6 (qemu-kvm) RHSA-2015:0867 2015-04-21
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 (qemu-kvm-rhev) RHSA-2015:0795 2015-04-09
Red Hat Enterprise Linux OpenStack Platform 4.0 (qemu-kvm-rhev) RHSA-2015:0891 2015-04-28
RHEV Agents (vdsm) (qemu-kvm-rhev) RHSA-2015:0868 2015-04-21
Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts (qemu-kvm-rhev) RHSA-2015:0624 2015-03-05
Red Hat Enterprise Linux 7 (qemu-kvm) RHSA-2015:0349 2015-03-05
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 (qemu-kvm-rhev) RHSA-2015:0643 2015-03-05

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 kvm Will not fix

Acknowledgements

This issue was discovered by Paolo Bonzini of Red Hat.

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