Vulnerability Details CVE-2019-20808
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 29.4%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 2.1
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1841136
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=aab0e2a661b2b6bf7915c0aefe807fb60d6d9d13
- https://security.netapp.com/advisory/ntap-20210205-0003/
- https://bugzilla.redhat.com/show_bug.cgi?id=1841136
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=aab0e2a661b2b6bf7915c0aefe807fb60d6d9d13
- https://security.netapp.com/advisory/ntap-20210205-0003/