Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.
Find out more about CVE-2017-2620 from the MITRE CVE dictionary dictionary and NIST NVD.
| Base Score | 4.9 |
|---|---|
| Base Metrics | AV:A/AC:M/Au:S/C:P/I:P/A:P |
| Access Vector | Adjacent Network |
| Access Complexity | Medium |
| Authentication | Single |
| Confidentiality Impact | Partial |
| Integrity Impact | Partial |
| Availability Impact | Partial |
| CVSS3 Base Score | 5.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L |
| Attack Vector | Adjacent Network |
| Attack Complexity | High |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Changed |
| Confidentiality | Low |
| Integrity Impact | Low |
| Availability Impact | Low |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 7 (qemu-kvm) | RHSA-2017:0396 | 2017-03-02 |
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 (qemu-kvm-rhev) | RHSA-2017:0334 | 2017-02-27 |
| Red Hat OpenStack Platform 8.0 (Liberty) (qemu-kvm-rhev) | RHSA-2017:0330 | 2017-02-27 |
| Red Hat Enterprise Linux Virtualization 5 (kvm) | RHSA-2017:0454 | 2017-03-07 |
| Red Hat OpenStack Platform 9.0 (qemu-kvm-rhev) | RHSA-2017:0329 | 2017-02-27 |
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 (qemu-kvm-rhev) | RHSA-2017:0333 | 2017-02-27 |
| RHEV Agents (vdsm) (qemu-kvm-rhev) | RHSA-2017:0351 | 2017-03-01 |
| Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 (qemu-kvm-rhev) | RHSA-2017:0331 | 2017-02-27 |
| Red Hat Enterprise Linux 6 (qemu-kvm) | RHSA-2017:0352 | 2017-03-01 |
| Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 (qemu-kvm-rhev) | RHSA-2017:0332 | 2017-02-27 |
| Red Hat OpenStack Platform 10 (qemu-kvm-rhev) | RHSA-2017:0328 | 2017-02-27 |
| Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts (qemu-kvm-rhev) | RHSA-2017:0350 | 2017-03-01 |
| Platform | Package | State |
|---|---|---|
| Red Hat OpenStack Platform 11.0 (Ocata) | qemu-kvm-rhev | Not affected |
| Red Hat Enterprise Linux 5 | xen | Will not fix |
Vulmon