6.5med

CVE-2016-9846

QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue.

Published 9 y ago · modified 4 mo ago · JSON

CVSS
6.5
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 36%
Public exploits
0
none known

Summary

QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in update_cursor_data_virgl. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host.

Exploit prediction (EPSS)

0.42% probability of exploitation in the next 30 days, higher than 36% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.16.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
NVD2.04.9AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • openwall.com /lists/oss-security/2016/12/05/23 · mailing-list, x_refsource_MLIST, x_transferred
  • openwall.com /lists/oss-security/2016/12/05/18 · mailing-list, x_refsource_MLIST, x_transferred
  • security.gentoo.org /glsa/201701-49 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • lists.gnu.org /archive/html/qemu-devel/2016-11/msg00029.html · mailing-list, x_refsource_MLIST, x_transferred
  • securityfocus.com /bid/94765 · vdb-entry, x_refsource_BID, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.