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CVE-2017-8112 Qemu: scsi: vmw_pvscsi: infinite loop in pvscsi_log2
From: P J P <ppandit () redhat com>
Date: Wed, 26 Apr 2017 12:52:02 +0530 (IST)
Hello,Quick Emulator(Qemu) built with the VMWARE PVSCSI paravirtual SCSI bus emulation support is vulnerable to an infinite loop issue. It could occur while initialising SCSI message ring buffer in pvscsi_ring_init_msg().
A privileged user inside guest could use this flaw to consume host cpu cycles or crash the Qemu process resulting in DoS.
Upstream patch: --------------- -> https://lists.gnu.org/archive/html/qemu-devel/2017-04/msg04578.html Reference: ---------- -> https://bugzilla.redhat.com/show_bug.cgi?id=1445621This issue was independently reported by Li Qiang of Qihoo 360 Gear Team and YY Z(CC'd).
'CVE-2017-8112' assigned via -> http://cveform.mitre.org/ Thank you. -- Prasad J Pandit / Red Hat Product Security Team 47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
Current thread:
- CVE-2017-8112 Qemu: scsi: vmw_pvscsi: infinite loop in pvscsi_log2 P J P (Apr 26)