5.5med

CVE-2016-2197

QEMU (aka Quick Emulator) built with an IDE AHCI emulation support is vulnerable to a null pointer dereference flaw.

Published 9 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 37%
Public exploits
0
none known

Summary

QEMU (aka Quick Emulator) built with an IDE AHCI emulation support is vulnerable to a null pointer dereference flaw. It occurs while unmapping the Frame Information Structure (FIS) and Command List Block (CLB) entries. A privileged user inside guest could use this flaw to crash the QEMU process instance resulting in DoS.

Exploit prediction (EPSS)

0.42% probability of exploitation in the next 30 days, higher than 37% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.15.5CVSS:3.1/AV:L/AC:L/PR:L/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

  • securityfocus.com /bid/82235 · vdb-entry, x_refsource_BID, x_transferred
  • openwall.com /lists/oss-security/2016/01/29/2 · mailing-list, x_refsource_MLIST, x_transferred
  • security.gentoo.org /glsa/201604-01 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • openwall.com /lists/oss-security/2016/01/30/1 · mailing-list, x_refsource_MLIST, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1302057 · x_refsource_CONFIRM, x_transferred
  • lists.gnu.org /archive/html/qemu-devel/2016-01/msg05742.html · mailing-list, x_refsource_MLIST, 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.