Qemu: display: cirrus: OOB read access issue
Published Apr 20, 2017
5.5
MEDIUMCVSS 3.1
EPSS 0.50%
Description
hw/display/cirrus_vga_rop.h in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) via vectors related to copying VGA data via the cirrus_bitblt_rop_fwd_transp_ and cirrus_bitblt_rop_fwd_ functions.
Affected products
No data.
No data.
RHEV 3.X Hypervisor and Agents for RHEL-6
qemu-kvm-rhev-2:0.12.1.2-2.503.el6_9.3
Fixed · RHSA-2017:1205
RHEV 3.X Hypervisor and Agents for RHEL-7
qemu-kvm-rhev-10:2.6.0-28.el7_3.10
Fixed · RHSA-2017:1431
Red Hat Enterprise Linux 6
qemu-kvm-2:0.12.1.2-2.503.el6_9.3
Fixed · RHSA-2017:1206
Red Hat Enterprise Linux 7
qemu-kvm-10:1.5.3-126.el7_3.9
Fixed · RHSA-2017:1430
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6
qemu-kvm-rhev-2:0.12.1.2-2.503.el6_9.3
Fixed · RHSA-2017:1441
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7
qemu-kvm-rhev-10:2.6.0-28.el7_3.9
Fixed · RHSA-2017:0980
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7
qemu-kvm-rhev-10:2.6.0-28.el7_3.9
Fixed · RHSA-2017:0981
Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7
qemu-kvm-rhev-10:2.6.0-28.el7_3.9
Fixed · RHSA-2017:0982
Red Hat OpenStack Platform 10.0 (Newton)
qemu-kvm-rhev-10:2.6.0-28.el7_3.9
Fixed · RHSA-2017:0988
Red Hat OpenStack Platform 8.0 (Liberty)
qemu-kvm-rhev-10:2.6.0-28.el7_3.9
Fixed · RHSA-2017:0983
Red Hat OpenStack Platform 9.0 (Mitaka)
qemu-kvm-rhev-10:2.6.0-28.el7_3.9
Fixed · RHSA-2017:0984
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7
qemu-kvm-rhev-10:2.6.0-28.el7_3.10
Fixed · RHSA-2017:1431
Red Hat Enterprise Linux 5
kvm
Will not fix
Red Hat Enterprise Linux 5
xen
Will not fix
Red Hat Enterprise Linux 6
qemu-kvm-rhev
Affected
Red Hat OpenStack Platform 11 (Ocata)
qemu-kvm-rhev
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| RHEV 3.X Hypervisor and Agents for RHEL-6 | qemu-kvm-rhev-2:0.12.1.2-2.503.el6_9.3 | Fixed | RHSA-2017:1205 |
| RHEV 3.X Hypervisor and Agents for RHEL-7 | qemu-kvm-rhev-10:2.6.0-28.el7_3.10 | Fixed | RHSA-2017:1431 |
| Red Hat Enterprise Linux 6 | qemu-kvm-2:0.12.1.2-2.503.el6_9.3 | Fixed | RHSA-2017:1206 |
| Red Hat Enterprise Linux 7 | qemu-kvm-10:1.5.3-126.el7_3.9 | Fixed | RHSA-2017:1430 |
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 | qemu-kvm-rhev-2:0.12.1.2-2.503.el6_9.3 | Fixed | RHSA-2017:1441 |
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 | qemu-kvm-rhev-10:2.6.0-28.el7_3.9 | Fixed | RHSA-2017:0980 |
| Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 | qemu-kvm-rhev-10:2.6.0-28.el7_3.9 | Fixed | RHSA-2017:0981 |
| Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 | qemu-kvm-rhev-10:2.6.0-28.el7_3.9 | Fixed | RHSA-2017:0982 |
| Red Hat OpenStack Platform 10.0 (Newton) | qemu-kvm-rhev-10:2.6.0-28.el7_3.9 | Fixed | RHSA-2017:0988 |
| Red Hat OpenStack Platform 8.0 (Liberty) | qemu-kvm-rhev-10:2.6.0-28.el7_3.9 | Fixed | RHSA-2017:0983 |
| Red Hat OpenStack Platform 9.0 (Mitaka) | qemu-kvm-rhev-10:2.6.0-28.el7_3.9 | Fixed | RHSA-2017:0984 |
| Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 | qemu-kvm-rhev-10:2.6.0-28.el7_3.10 | Fixed | RHSA-2017:1431 |
| Red Hat Enterprise Linux 5 | kvm | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | xen | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | qemu-kvm-rhev | Affected | n/a |
| Red Hat OpenStack Platform 11 (Ocata) | 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:L/UI:N/S:U/C:N/I:N/A:H
CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:L
AV:L/AC:L/Au:N/C:N/I:N/A:P
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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.50% (0.00499) | 40.53th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.50% (0.00504) | 38.85th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00061) | 16.36th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00064) | 30.08th | v3 (v2023.03.01) |
| Jun 21, 2024 | 0.06% (0.00064) | 28.17th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00064) | 26.16th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.54% (0.04545) | 76.76th | v1 |
| Jan 6, 2022 | 4.54% (0.04545) | 76.54th | v1 |
| Sep 1, 2021 | 4.54% (0.04545) | 84.51th | v1 |
| Apr 14, 2021 | 4.54% (0.04545) | 0.00th | v1 |
References (20)
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=215902d7b6fb50c6fc216fc74f770858278ed904 x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2017/04/19/4 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/97957 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:0980 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:0981 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:0982 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:0983 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:0984 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:0988 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1205 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1206 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1430 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1431 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1441 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2017-7718 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1443441 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html mailing-listx_refsource_MLISTThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-7718
- https://security.gentoo.org/glsa/201706-03 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-7718
Change history (0)
No recorded changes yet.