Use After Free in Qemu
CVE-2014-3471
Use-after-free vulnerability in hw/pci/pcie.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (QEMU instance crash) via hotplug and hotunplug operations of Virtio block devices.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (31.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Qemu — versions 2.1.2
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2014/06/23/4 (mailing-list, Patch, Mailing List, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- security.gentoo.org/glsa/glsa-201412-01.xml (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/68145 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.gnu.org/archive/html/qemu-devel/2014-06/msg05283.html (mailing-list, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2014-3471?
- CVE-2014-3471 is a medium-severity vulnerability in Qemu, classified under Use After Free. CVSS score: 5.5/10. Published 2018-01-12.
- How severe is CVE-2014-3471?
- Medium severity. CVSS v3 base score is 5.5 out of 10.