Buffer overflow in Qemu
CVE-2018-16847
An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU. It could occur in nvme_cmb_ops routines in nvme device. A guest user/process could use this flaw to crash the QEMU process resulting in DoS or potentially run arbitrary code with privileges of the QEMU process.
Vulnerability class: Buffer Overflow
EPSS: 0.005 (42.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Qemu — versions 3.1.0
- [Unknown] Qemu: — versions n/a
- Canonical Ubuntu_linux — versions 14.04, 16.04, 18.04
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- secalert@redhat.com (Patch, Mailing List, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2018-16847?
- CVE-2018-16847 is a high-severity vulnerability in Qemu, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2018-11-02.
- How severe is CVE-2018-16847?
- High severity. CVSS v3 base score is 7.8 out of 10.