CVEvulnerability
CVE-2019-20808
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-12-31
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-125
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.
Affected configurations
• qemu qemu 4.1.0
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1841136 Issue Tracking, Third Party Advisory
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=aab0e2a661b2b6bf7915c0aefe807fb60d6d9d13 git.qemu.org
- https://security.netapp.com/advisory/ntap-20210205-0003/ Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1841136 Issue Tracking, Third Party Advisory
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=aab0e2a661b2b6bf7915c0aefe807fb60d6d9d13 git.qemu.org
- https://security.netapp.com/advisory/ntap-20210205-0003/ Third Party Advisory