Qemu: scsi: esp: OOB write access in esp_do_dma
Published Sep 7, 2016
6.7
MEDIUMCVSS 3.1
EPSS 0.47%
Description
The esp_do_dma function in hw/scsi/esp.c in QEMU (aka Quick Emulator), when built with ESP/NCR53C9x controller emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) or execute arbitrary code on the QEMU host via vectors involving DMA read into ESP command buffer.
Affected products
No data.
Configuration 2
- 12.04
- 14.04
- 16.04
Configuration 3
- 8.0
No data.
Red Hat Enterprise Linux 5
kvm
Not affected
Red Hat Enterprise Linux 5
xen
Not affected
Red Hat Enterprise Linux 6
qemu-kvm
Not affected
Red Hat Enterprise Linux 7
qemu-kvm
Not affected
Red Hat Enterprise Linux 7
qemu-kvm-rhev
Not affected
Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)
qemu-kvm-rhev
Not affected
Red Hat Enterprise Linux OpenStack Platform 6 (Juno)
qemu-kvm-rhev
Not affected
Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)
qemu-kvm-rhev
Not affected
Red Hat OpenStack Platform 8 (Liberty)
qemu-kvm-rhev
Not affected
Red Hat OpenStack Platform 9 (Mitaka)
qemu-kvm-rhev
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kvm | Not affected | n/a |
| Red Hat Enterprise Linux 5 | xen | Not affected | n/a |
| Red Hat Enterprise Linux 6 | qemu-kvm | Not affected | n/a |
| Red Hat Enterprise Linux 7 | qemu-kvm | Not affected | n/a |
| Red Hat Enterprise Linux 7 | qemu-kvm-rhev | Not affected | n/a |
| Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) | qemu-kvm-rhev | Not affected | n/a |
| Red Hat Enterprise Linux OpenStack Platform 6 (Juno) | qemu-kvm-rhev | Not affected | n/a |
| Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) | qemu-kvm-rhev | Not affected | n/a |
| Red Hat OpenStack Platform 8 (Liberty) | qemu-kvm-rhev | Not affected | n/a |
| Red Hat OpenStack Platform 9 (Mitaka) | qemu-kvm-rhev | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.47% (0.00474) | 38.67th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.48% (0.00478) | 37.29th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.24% (0.00237) | 44.80th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00062) | 28.60th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.06% (0.00062) | 26.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00062) | 24.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.65% (0.01651) | 76.00th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.65% (0.01651) | 75.95th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.65% (0.01651) | 73.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.65% (0.01651) | 52.77th | v2 (v2022.01.01) |
References (12)
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=926cde5f3e4d2504ed161ed0cb771ac7cad6fd11 x_refsource_CONFIRM
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=cc96677469388bad3d66479379735cf75db069e3 x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2016/07/25/14 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/07/26/7 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/92119 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-3047-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-3047-2 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2016-6351 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1360599 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-6351
- https://www.cve.org/CVERecord?id=CVE-2016-6351
Change history (0)
No recorded changes yet.