5.5med
CVE-2016-9922
The cirrus_do_copy function in hw/display/cirrus_vga.c in QEMU (aka Quick Emulator), when cirrus graphics mode is VGA, allows local guest O…
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 36%
Public exploits
0
none known
Summary
The cirrus_do_copy function in hw/display/cirrus_vga.c in QEMU (aka Quick Emulator), when cirrus graphics mode is VGA, allows local guest OS privileged users to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving blit pitch values.
Exploit prediction (EPSS)
0.41% probability of exploitation in the next 30 days, higher than 36% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
- CWE-369 Divide By Zero
References
- lists.gnu.org /archive/html/qemu-devel/2016-12/msg00442.html · mailing-list, x_refsource_MLIST, x_transferred
- lists.debian.org /debian-lts-announce/2018/09/msg00007.html · mailing-list, x_refsource_MLIST, x_transferred
- access.redhat.com /errata/RHSA-2017:2392 · vendor-advisory, x_refsource_REDHAT, x_transferred
- securityfocus.com /bid/94803 · vdb-entry, x_refsource_BID, x_transferred
- bugzilla.redhat.com /show_bug.cgi?id=1334398 · x_refsource_CONFIRM, x_transferred
- git.qemu-project.org /?p=qemu.git%3Ba=commit%3Bh=4299b90e9ba9ce5ca9024572804ba751aa1a7e70 · x_refsource_CONFIRM, x_transferred
- access.redhat.com /errata/RHSA-2017:2408 · vendor-advisory, x_refsource_REDHAT, x_transferred
- openwall.com /lists/oss-security/2016/12/09/1 · mailing-list, x_refsource_MLIST, x_transferred
Sources
- CVE List: CVE-2016-9922
- NVD: CVE-2016-9922
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