CVE-2011-3346 Information

Description

Buffer overflow in hw/scsi-disk.c in the SCSI subsystem in QEMU before 0.15.2 as used by Xen might allow local guest users with permission to access the CD-ROM to cause a denial of service (guest crash) via a crafted SAI READ CAPACITY SCSI command. NOTE: this is only a vulnerability when root has manually modified certain permissions or ACLs.

Reference

http://git.qemu.org/?p=qemu-stable-0.15.git;a=log http://www.openwall.com/lists/oss-security/2011/10/20/2 http://www.redhat.com/support/errata/RHSA-2011-1401.html https://bugzilla.redhat.com/show_bug.cgi?id=736038 https://github.com/bonzini/qemu/commit/103b40f51e4012b3b0ad20f615562a1806d7f49a https://github.com/bonzini/qemu/commit/7285477ab11831b1cf56e45878a89170dd06d9b9