Vulnerability in Qemu
CVE-2014-0148
Qemu before 2.0 block driver for Hyper-V VHDX Images is vulnerable to infinite loops and other potential issues when calculating BAT entries, due to missing bounds checks for block_size and logical_sector_size variables. These are used to derive other fields like 'sectors_per_block' etc. A user able to alter the Qemu disk image could ise this flaw to crash the Qemu instance resulting in DoS.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (20.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.8% 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
- Red Hat Enterprise Linux Desktop — versions 6.0
- Red Hat Enterprise Linux Eus — versions 6.5
- Red Hat Enterprise Linux OpenStack Platform — versions 5
- Red Hat Enterprise Linux Server — versions 6.0
- Red Hat Enterprise Linux Server Aus — versions 6.5
- Red Hat Enterprise Linux Server Tus — versions 6.5
- Red Hat Enterprise Linux Workstation — versions 6.0
- Red Hat Virtualization — versions 3.0
- Qemu — versions before 2.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- rhn.redhat.com/errata/RHSA-2014-0420.html (Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2014-0421.html (Third Party Advisory)
- www.openwall.com/lists/oss-security/2014/03/26/8 (Patch, Mailing List, Third Party Advisory)
- git.qemu.org/
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html (Patch, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2014-0148?
- CVE-2014-0148 is a medium-severity vulnerability in Qemu, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2022-09-29.
- How severe is CVE-2014-0148?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2014-0148 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.