QEMU: lsi53c895a: OOB msg buffer access leads to DoS
Published Mar 17, 2019
6.4
MEDIUMCVSS 3.0
EPSS 0.56%
Description
In Qemu 3.0.0, lsi_do_msgin in hw/scsi/lsi53c895a.c allows out-of-bounds access by triggering an invalid msg_len value.
Affected products
No data.
Configuration 3
- 29
Configuration 4
- 14.04
- 16.04
- 18.04
- 18.10
No data.
Red Hat Enterprise Linux 5
kvm
Not affected
Red Hat Enterprise Linux 5
xen
Will not fix
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 OpenStack Platform 7 (Kilo)
qemu-kvm-rhev
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 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 | Will not fix | 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 OpenStack Platform 7 (Kilo) | qemu-kvm-rhev | 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 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.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:H
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 3, 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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.56% (0.00561) | 44.69th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.57% (0.00566) | 42.28th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00047) | 11.60th | 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 10, 2024 | 0.06% (0.00062) | 24.59th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00045) | 12.06th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.48% (0.02476) | 54.92th | v1 |
| Jan 6, 2022 | 2.48% (0.02476) | 54.49th | v1 |
| Sep 1, 2021 | 2.48% (0.02476) | 78.74th | v1 |
| Apr 14, 2021 | 2.48% (0.02476) | 0.00th | v1 |
References (15)
- http://lists.opensuse.org/opensuse-security-announce/2018-12/msg00004.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2018-12/msg00028.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2018-12/msg00043.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://www.openwall.com/lists/oss-security/2018/11/01/1 x_refsource_MISCMailing ListPatchThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2018-18849 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1644973 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2019/05/msg00010.html mailing-listx_refsource_MLIST
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LQIBTGNRDQEXGAAYHE4JIWFAYFNHZ6QP/ vendor-advisoryx_refsource_FEDORA
- https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg06401.html x_refsource_MISCPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-18849
- https://seclists.org/bugtraq/2019/May/76 mailing-listx_refsource_BUGTRAQ
- https://security.netapp.com/advisory/ntap-20190411-0006/ x_refsource_CONFIRMThird Party Advisory
- https://usn.ubuntu.com/3826-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-18849
- https://www.debian.org/security/2019/dsa-4454 vendor-advisoryx_refsource_DEBIAN
Change history (0)
No recorded changes yet.