NULL pointer dereference in Qemu
CVE-2014-0146
The qcow2_open function in the (block/qcow2.c) in QEMU before 1.7.2 and 2.x before 2.0.0 allows local users to cause a denial of service (NULL pointer dereference) via a crafted image which causes an error, related to the initialization of the snapshot_offset and nb_snapshots fields.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.3% 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 2.0.0
Weakness classification (CWE)
References
- git.qemu.org/
- rhn.redhat.com/errata/RHSA-2014-0420.html (vendor-advisory, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2014-0421.html (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- www.debian.org/security/2014/dsa-3044 (vendor-advisory)
- www.openwall.com/lists/oss-security/2014/03/26/8 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2014-0146?
- CVE-2014-0146 is a medium-severity vulnerability in Qemu, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2017-08-10.
- How severe is CVE-2014-0146?
- Medium severity. CVSS v3 base score is 5.5 out of 10.