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.
Conclusion & alert: CVE-2019-12067 is rated Low Risk (33.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.31%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.17% | 0.31% | +0.14% |
| 2 | 2025-11-21 | 0.06% | 0.17% | +0.10% |
| 3 | 2025-11-18 | — | 0.06% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.0 | 4.0 | [email protected] |
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2019-12067 low priority: Debian including 1 source packages (qemu), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 5. | https://security-tracker.debian.org/tracker/CVE-2019-12067 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2019-12067 |
suse
|
low | CVE-2019-12067 severity low: SUSE including 76 source package names (kvm, qemu, …), 1105 product×package rows across 98 product lines (SLES for SAP Applications 11 SP2, SLES for SAP Applications 11 SP3, … (98 product lines)): Known Not Affected 1072, Fixed 33. | https://www.suse.com/security/cve/CVE-2019-12067/ |
ubuntu
|
low | CVE-2019-12067 low priority: Ubuntu including 2 source packages (qemu, qemu-kvm), 36 status rows across 18 suites (bionic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 17, ignored 10, deferred 7, needs-triage 2. | https://ubuntu.com/security/CVE-2019-12067 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| qemu | qemu | — | cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| debian | debian_linux | 10.0 | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
| debian | debian_linux | 11.0 | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
| fedoraproject | fedora | 30 | cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* |
| redhat | openstack_platform | 10.0 | cpe:2.3:a:redhat:openstack_platform:10.0:*:*:*:*:*:*:* |
| redhat | openstack_platform | 14.0 | cpe:2.3:a:redhat:openstack_platform:14.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 8.0 | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 8.0 | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:* |
| URL | Tags |
|---|---|
| https://bugzilla.suse.com/show_bug.cgi?id=1145642 | Issue Tracking Third Party Advisory |
| https://lists.gnu.org/archive/html/qemu-devel/2019-08/msg01358.html | Mailing List Patch Third Party Advisory |
| https://lists.gnu.org/archive/html/qemu-devel/2019-08/msg01487.html | Mailing List Patch Third Party Advisory |
| https://security-tracker.debian.org/tracker/CVE-2019-12067 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20210727-0001/ | Third Party Advisory |