 
        | Release Date: | 2018-01-23 | |
| Impact: | None | What is this? | 
The cirrus_invalidate_region function in hw/display/cirrus_vga.c in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors related to negative pitch.
See more information about CVE-2017-18030 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
| Base Score: | 4.4 | 
| Vector String: | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H | 
| Version: | 3.0 | 
| Attack Vector: | Local | 
| Attack Complexity: | Low | 
| Privileges Required: | High | 
| User Interaction: | None | 
| Scope: | Unchanged | 
| Confidentiality Impact: | None | 
| Integrity Impact: | None | 
| Availability Impact: | High | 
| Platform | Errata | Release Date | 
| Oracle Linux version 7 (qemu) | ELSA-2018-4285 | 2018-11-20 | 
| Oracle Linux version 7 (qemu) | ELSA-2018-4289 | 2018-11-28 | 
| Oracle Linux version 7 (qemu) | ELSA-2019-4585 | 2019-03-15 | 
| Oracle VM version 3.4 (xen) | OVMSA-2020-0027 | 2020-07-10 | 
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