vulnwire
4.4med

CVE-2016-7421

The pvscsi_ring_pop_req_descr function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
4.4
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 35%
Public exploits
0
none known

The pvscsi_ring_pop_req_descr function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit process IO loop to the ring size.

Exploit prediction (EPSS)

0.40% probability of exploitation in the next 30 days, higher than 35% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.14.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
NVD2.02.1AV:L/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

  • lists.gnu.org /archive/html/qemu-devel/2016-09/msg03609.html · mailing-list, x_refsource_MLIST, x_transferred
  • security.gentoo.org /glsa/201609-01 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • securityfocus.com /bid/92998 · vdb-entry, x_refsource_BID, x_transferred
  • openwall.com /lists/oss-security/2016/09/16/9 · mailing-list, x_refsource_MLIST, x_transferred
  • git.qemu.org /?p=qemu.git%3Ba=commit%3Bh=d251157ac1928191af851d199a9ff255d330bec9 · x_refsource_CONFIRM, x_transferred
  • lists.debian.org /debian-lts-announce/2018/11/msg00038.html · mailing-list, x_refsource_MLIST, x_transferred
  • openwall.com /lists/oss-security/2016/09/16/3 · mailing-list, x_refsource_MLIST, x_transferred

Sources

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