qemu: cirrus: insufficient blit region checks (CVE-2014-8106)
Heap-based buffer overflow in the Cirrus VGA emulator (hw/display/cirrus_vga.c) in QEMU before 2.2.0 allows local guest users to execute arbitrary code via vectors related to blit regions. NOTE: this vulnerability exists because an incomplete fix for CVE-2007-1320.
Upstream patch submission:
http://lists.gnu.org/archive/html/qemu-devel/2014-12/msg00508.html
References:
https://bugzilla.redhat.com/show\_bug.cgi?id=1169454
http://git.qemu.org/?p=qemu.git;a=commit;h=bf25983345ca44aec3dd92c57142be45452bd38a
http://git.qemu.org/?p=qemu.git;a=commit;h=d3532a0db02296e687711b8cdc7791924efccea0
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8106
(from redmine: issue id 3774, created on 2015-01-27, closed on 2015-08-05)
- Relations:
- child #3775 (closed)
- child #3776 (closed)
- child #3777 (closed)
- child #3778 (closed)