Vulnerability CVE-2020-11869: Information
Description
An integer overflow was found in QEMU 4.0.1 through 4.2.0 in the way it implemented ATI VGA emulation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati-2d.c 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.
Severity: LOW (3.3) Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Fixed packages
Package name | Branch | Fixed in version | Version from repository | Errata ID | Task # | State |
|---|---|---|---|---|---|---|
| qemu | sisyphus | 5.0.0-alt1 | 8.2.2-alt3 | ALT-PU-2020-1912-1 | 250869 | Fixed |
| qemu | p10 | 5.0.0-alt1 | 8.2.2-alt0.p10.1 | ALT-PU-2020-1912-1 | 250869 | Fixed |
| qemu | p9 | 4.2.1-alt1 | 5.2.0-alt6 | ALT-PU-2020-2431-1 | 254589 | Fixed |
| qemu | c10f1 | 5.0.0-alt1 | 8.2.2-alt0.p10.1 | ALT-PU-2020-1912-1 | 250869 | Fixed |
| qemu | c9f2 | 4.2.1-alt1 | 5.2.0-alt6.c9.1 | ALT-PU-2020-2431-1 | 254589 | Fixed |
References to Advisories, Solutions, and Tools
Hyperlink | Resource |
|---|---|
| http://www.openwall.com/lists/oss-security/2020/04/24/2 |
|
| USN-4372-1 | |
| https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ac2071c3791b67fc7af78b8ceb320c01ca1b5df7 |