CVE-2020-12829

CVE Details

Release Date:	2020-08-31
Impact:	None	What is this?

Description

In QEMU through 5.0.0, an integer overflow was found in the SM501 display driver implementation. This flaw occurs in the COPY_AREA macro while handling MMIO write operations through the sm501_2d_engine_write() callback. A local attacker could abuse this flaw to crash the QEMU process in sm501_2d_operation() in hw/display/sm501.c on the host, resulting in a denial of service.

See more information about CVE-2020-12829 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	3.8
Vector String:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Changed
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Low

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (qemu)	ELSA-2021-9034	2021-02-08