QEMU: nvme: Out-of-bounds r/w buffer access in cmb operations
Published Nov 2, 2018
7.8
HIGHCVSS 3.1
EPSS 0.54%
Description
An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU. It could occur in nvme_cmb_ops routines in nvme device. A guest user/process could use this flaw to crash the QEMU process resulting in DoS or potentially run arbitrary code with privileges of the QEMU process.
Affected products
- Vendor n/a Product QEMU: Defaultn/a
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||
|---|---|---|---|---|---|---|
| n/a | QEMU: | n/a |
|
Configuration 1
Configuration 2
- 14.04
- 16.04
- 18.04
- 18.10
No data.
Red Hat Enterprise Linux 5
kvm
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-ma
Not affected
Red Hat Enterprise Linux 7
qemu-kvm-rhev
Not affected
Red Hat Enterprise Linux 8
qemu-kvm
Not affected
Red Hat OpenStack Platform 10 (Newton)
qemu-kvm-rhev
Not affected
Red Hat OpenStack Platform 12 (Pike)
qemu-kvm-rhev
Not affected
Red Hat OpenStack Platform 13 (Queens)
qemu-kvm-rhev
Not affected
Red Hat OpenStack Platform 14 (Rocky)
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 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-ma | Not affected | n/a |
| Red Hat Enterprise Linux 7 | qemu-kvm-rhev | Not affected | n/a |
| Red Hat Enterprise Linux 8 | qemu-kvm | Not affected | n/a |
| Red Hat OpenStack Platform 10 (Newton) | qemu-kvm-rhev | Not affected | n/a |
| Red Hat OpenStack Platform 12 (Pike) | qemu-kvm-rhev | Not affected | n/a |
| Red Hat OpenStack Platform 13 (Queens) | qemu-kvm-rhev | Not affected | n/a |
| Red Hat OpenStack Platform 14 (Rocky) | 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:L/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
AV:L/AC:L/Au:N/C:P/I:P/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 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.54% (0.00542) | 43.54th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.54% (0.00542) | 41.03th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.11% (0.00109) | 26.74th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00062) | 28.60th | v3 (v2023.03.01) |
| Jul 13, 2024 | 0.06% (0.00062) | 27.13th | v3 (v2023.03.01) |
| Oct 27, 2023 | 0.06% (0.00062) | 25.11th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00045) | 12.06th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.25% (0.01247) | 30.57th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.25% (0.01247) | 0.00th | v1 |
References (9)
- http://www.securityfocus.com/bid/105866 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-16847 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1644052 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.html x_refsource_MISCMailing ListPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-16847
- https://usn.ubuntu.com/3826-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-16847
- https://www.openwall.com/lists/oss-security/2018/11/02/1 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105866 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2018-16847 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1644052 | Issue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.html | x_refsource_MISCMailing ListPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-16847 | ||
| https://usn.ubuntu.com/3826-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-16847 | ||
| https://www.openwall.com/lists/oss-security/2018/11/02/1 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory |
Change history (0)
No recorded changes yet.