vulnwire
6.0med

CVE-2016-7422

The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial o…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
6.0
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 30%
Public exploits
0
none known

The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via a large I/O descriptor buffer length value.

Exploit prediction (EPSS)

0.36% probability of exploitation in the next 30 days, higher than 30% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.16.0CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
NVD2.02.1AV:L/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

  • git.qemu.org /?p=qemu.git%3Ba=commit%3Bh=973e7170dddefb491a48df5cba33b2ae151013a0 · x_refsource_CONFIRM, x_transferred
  • lists.gnu.org /archive/html/qemu-devel/2016-09/msg03546.html · mailing-list, x_refsource_MLIST, x_transferred
  • access.redhat.com /errata/RHSA-2017:2392 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lists.opensuse.org /opensuse-updates/2016-12/msg00140.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • security.gentoo.org /glsa/201609-01 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • securityfocus.com /bid/92996 · vdb-entry, x_refsource_BID, x_transferred
  • openwall.com /lists/oss-security/2016/09/16/10 · mailing-list, x_refsource_MLIST, x_transferred
  • openwall.com /lists/oss-security/2016/09/16/4 · mailing-list, x_refsource_MLIST, x_transferred
  • access.redhat.com /errata/RHSA-2017:2408 · vendor-advisory, x_refsource_REDHAT, x_transferred

Sources

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