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.
NOTE: The following CVSS v2.0 metrics and score provided are preliminary and subject to review.
|Base Score:||4.9||Base Metrics:||AV:A/AC:M/Au:S/C:P/I:P/A:P|
|Access Vector:||Adjacent network||Attack Complexity:||Medium|
|Authentication:||Requires single instance||Confidentiality Impact:||Partial|
|Integrity Impact:||Partial||Availability Impact:||Partial|
|Oracle Linux version 6 (qemu-kvm)||ELSA-2015-0867||2015-04-21|
|Oracle Linux version 7 (qemu-kvm)||ELSA-2015-0349||2015-03-11|
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team