CVE-2016-4952
MEDIUM severity · CVSS 6 · Out-of-bounds write
6CVSS MEDIUM
Summary
QEMU (aka Quick Emulator), when built with VMWARE PVSCSI paravirtual SCSI bus emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds array access) via vectors related to the (1) PVSCSI_CMD_SETUP_RINGS or (2) PVSCSI_CMD_SETUP_MSG_RING SCSI command.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredHigh
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg03774.html ↗
Additional information
- NVD record
- https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg03774.htmlPatch
- http://www.openwall.com/lists/oss-security/2016/05/23/1Advisory
- http://www.openwall.com/lists/oss-security/2016/05/23/4Advisory
- http://www.ubuntu.com/usn/USN-3047-1Advisory
- http://www.ubuntu.com/usn/USN-3047-2Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1334384Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlAdvisory