Vulnerability Description
In QEMU 4.1.0, an out-of-bounds read flaw was found in the ATI VGA implementation. It occurs in the ati_cursor_define() routine while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | 4.1.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1841136Issue TrackingThird Party Advisory
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=aab0e2a661b2b6bf7915c0aefe807fb6
- https://security.netapp.com/advisory/ntap-20210205-0003/Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1841136Issue TrackingThird Party Advisory
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=aab0e2a661b2b6bf7915c0aefe807fb6
- https://security.netapp.com/advisory/ntap-20210205-0003/Third Party Advisory
FAQ
What is CVE-2019-20808?
CVE-2019-20808 is a vulnerability with a CVSS score of 6.5 (MEDIUM). In QEMU 4.1.0, an out-of-bounds read flaw was found in the ATI VGA implementation. It occurs in the ati_cursor_define() routine while handling MMIO write operations through the ati_mm_write() callback...
How severe is CVE-2019-20808?
CVE-2019-20808 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-20808?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu.