Integer overflow in Qemu
CVE-2014-0147
Qemu before 1.6.2 block diver for the various disk image formats used by Bochs and for the QCOW version 2 format, are vulnerable to a possible crash caused by signed data types or a logic error while creating QCOW2 snapshots, which leads to incorrectly calling update_refcount() routine.
Vulnerability class: Integer Overflow
EPSS: 0.003 (25.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Qemu
- Fedoraproject Fedora — versions 20
- Redhat Enterprise_linux_desktop — versions 6.0
- Redhat Enterprise_linux_eus — versions 6.5
- Redhat Enterprise_linux_openstack_platform — versions 5
- Redhat Enterprise_linux_server — versions 6.0
- Redhat Enterprise_linux_server_aus — versions 6.5
- Redhat Enterprise_linux_server_tus — versions 6.5
- Redhat Enterprise_linux_workstation — versions 6.0
- Redhat Virtualization — versions 3.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_MISC)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Patch, Mailing List, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2014-0147?
- CVE-2014-0147 is a medium-severity vulnerability in Qemu, classified under Integer Overflow or Wraparound. CVSS score: 6.2/10. Published 2022-09-29.
- How severe is CVE-2014-0147?
- Medium severity. CVSS v3 base score is 6.2 out of 10.
- Is CVE-2014-0147 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.