NULL pointer dereference in Qemu
CVE-2019-12067
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (21.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Qemu
- Debian Linux — versions 9.0, 10.0, 11.0
- Fedoraproject Fedora — versions 30
- Red Hat Enterprise Linux — versions 8.0
- Red Hat OpenStack Platform — versions 10.0, 14.0
Weakness classification (CWE)
References
- lists.gnu.org/archive/html/qemu-devel/2019-08/msg01358.html (Patch, Mailing List, Third Party Advisory)
- lists.gnu.org/archive/html/qemu-devel/2019-08/msg01487.html (Patch, Mailing List, Third Party Advisory)
- bugzilla.suse.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- security-tracker.debian.org/tracker/CVE-2019-12067 (Third Party Advisory)
- security.netapp.com/advisory/ntap-20210727-0001/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2019-12067?
- CVE-2019-12067 is a medium-severity vulnerability in Qemu, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2021-06-02.
- How severe is CVE-2019-12067?
- Medium severity. CVSS v3 base score is 6.5 out of 10.