CVE-2019-3812: Canonical Ubuntu Linux

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

QEMU, through version 2.10 and through version 3.1.0, is vulnerable to an out-of-bounds read of up to 128 bytes in the hw/i2c/i2c-ddc.c:i2c_ddc() function. A local attacker with permission to execute i2c commands could exploit this to read stack memory of the qemu process on the host.

Affected products

• Canonical Ubuntu Linux: version 18.04 only; version 18.10 only
• Fedoraproject Fedora: version 29 only; version 30 only
• Opensuse Leap: version 42.3 only
• Qemu Qemu: from 2.10.0, up to and including 3.1.0

Published 2019-02-19. Last modified 2026-06-17.