CVE-2020-12829
qemu - security update
3.8
LOW
CVSS 3.1
EPSS 0.12%
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.
How to fix CVE-2020-12829
To remediate CVE-2020-12829, upgrade the affected package to a fixed version below.
- —upgrade to 1:5.0-12 or later
- —upgrade to 1:3.1+dfsg-8+deb10u8 or later
Is CVE-2020-12829 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1:5.0-12
- from 0, < 1:3.1+dfsg-8+deb10u8
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L |