CVE-2011-1750 - Palaearctic Stomach

Description

Multiple heap-based buffer overflows in the virtio-blk driver (hw/virtio-blk.c) in qemu-kvm 0.14.0 allow local guest users to cause a denial of service (guest crash) and possibly gain privileges via a (1) write request to the virtio_blk_handle_write function or (2) read request to the virtio_blk_handle_read function that is not properly aligned.

Reference

http://secunia.com/advisories/44132 http://secunia.com/advisories/44658 http://secunia.com/advisories/44900 http://git.kernel.org/?p=virt/kvm/qemu-kvm.git;a=commitdiff;h=52c050236eaa4f0b5e1d160cd66dc18106445c4d http://www.osvdb.org/73756 http://lists.opensuse.org/opensuse-updates/2011-05/msg00043.html https://hermes.opensuse.org/messages/8572547 http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081972.html http://lists.gnu.org/archive/html/qemu-devel/2011-03/msg03015.html http://secunia.com/advisories/44393 http://lists.gnu.org/archive/html/qemu-devel/2011-03/msg03019.html http://rhn.redhat.com/errata/RHSA-2011-0534.html http://secunia.com/advisories/44660 https://www.debian.org/security/2011/dsa-2230 https://www.ubuntu.com/usn/USN-1145-1/ https://exchange.xforce.ibmcloud.com/vulnerabilities/67062