CVE-2019-12067: Debian Linux

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

The ahci_commit_buf function in ide/ahci.c in QEMU allows attackers to cause a denial of service (NULL dereference) when the command header 'ad->cur_cmd' is null.

Affected products

• Debian Debian Linux: version 9.0 only; version 10.0 only; version 11.0 only
• Fedoraproject Fedora: version 30 only
• Qemu Qemu: affected versions not specified
• Red Hat Enterprise Linux: version 8.0 only
• Red Hat Openstack Platform: version 10.0 only; version 14.0 only

Published 2021-06-02. Last modified 2026-06-17.