CVE-2018-17963
A potential integer overflow issue was found in the networking back-end of QEMU. It could occur while receiving packets, because it accepted packets with large size value. Such overflow could lead to OOB buffer access issue. A user inside guest could use this flaw to crash the QEMU process resulting in DoS.
Find out more about CVE-2018-17963 from the MITRE CVE dictionary dictionary and NIST NVD.
CVSS v3 metrics
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 6.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H |
| Attack Vector | Network |
| Attack Complexity | High |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | Low |
| Availability Impact | High |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat OpenStack Platform 9.0 | qemu-kvm-rhev | Affected |
| Red Hat OpenStack Platform 8.0 (Liberty) | qemu-kvm-rhev | Affected |
| Red Hat OpenStack Platform 13.0 (Queens) | qemu-kvm-rhev | Affected |
| Red Hat OpenStack Platform 12.0 | qemu-kvm-rhev | Affected |
| Red Hat OpenStack Platform 10 | qemu-kvm-rhev | Affected |
| Red Hat Enterprise Linux 7 | qemu-kvm | Affected |
| Red Hat Enterprise Linux 7 | qemu-kvm-rhev | Affected |
| Red Hat Enterprise Linux 7 | qemu-kvm-ma | Affected |
| Red Hat Enterprise Linux 6 | qemu-kvm | Affected |
| Red Hat Enterprise Linux 5 | kvm | Not affected |