edk2: Buffer Overflow in BlockIo service for RAM disk
Published Mar 27, 2019
8.8
HIGHCVSS 3.0
EPSS 2.25%
Description
Buffer overflow in BlockIo service for EDK II may allow an unauthenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via network access.
Affected products
- Vendor Extensible Firmware Interface Development Kit (EDK II) Product Extensible Firmware Interface Development Kit (EDK II) 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 | |||
|---|---|---|---|---|---|---|
| Extensible Firmware Interface Development Kit (EDK II) | Extensible Firmware Interface Development Kit (EDK II) | n/a |
|
No data.
Red Hat Enterprise Linux 7
ovmf-0:20180508-3.gitee3198e672e2.el7_6.1
Fixed · RHSA-2019:0809
Red Hat Enterprise Linux 8
edk2-0:20180508gitee3198e672e2-9.el8_0.1
Fixed · RHSA-2019:0968
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7
redhat-release-virtualization-host-0:4.3-0.6.el7
Fixed · RHSA-2019:1116
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7
redhat-virtualization-host-0:4.3-20190418.0.el7_6
Fixed · RHSA-2019:1116
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | ovmf-0:20180508-3.gitee3198e672e2.el7_6.1 | Fixed | RHSA-2019:0809 |
| Red Hat Enterprise Linux 8 | edk2-0:20180508gitee3198e672e2-9.el8_0.1 | Fixed | RHSA-2019:0968 |
| Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 | redhat-release-virtualization-host-0:4.3-0.6.el7 | Fixed | RHSA-2019:1116 |
| Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 | redhat-virtualization-host-0:4.3-20190418.0.el7_6 | Fixed | RHSA-2019:1116 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
AV:N/AC:M/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 | 2.25% (0.02255) | 82.34th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.25% (0.02255) | 80.60th | v5 (v2026.06.15) |
| May 24, 2025 | 2.13% (0.02127) | 83.29th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.96% (0.00963) | 74.95th | v4 (v2025.03.14) |
| Dec 17, 2024 | 0.63% (0.00629) | 78.88th | v3 (v2023.03.01) |
| Mar 20, 2024 | 1.45% (0.01446) | 86.34th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.20% (0.01198) | 82.97th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.18% (0.01183) | 61.76th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.18% (0.01183) | 35.15th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.31% (0.02314) | 53.75th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.31% (0.02314) | 0.00th | v1 |
References (12)
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00046.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0809 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2019:0968 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2019:1116 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2018-12180 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1683372 Issue Tracking
- https://edk2-docs.gitbooks.io/security-advisory/content/buffer-overflow-in-blockio-service-for-ram-disk.html x_refsource_CONFIRMPatchVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ABTDKZK2G5XP6JCO3HXMPOA2NRTIYDZ/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2018-12180
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03912en_us x_refsource_CONFIRM
- https://usn.ubuntu.com/4349-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2018-12180
Change history (0)
No recorded changes yet.