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.
EPSS: 0.003 (22.7th percentile) — read the EPSS interpretation.
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.
Affected products
- Qemu
- 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
- N/a Qemu — versions before 2.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- 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)
- secalert@redhat.com (x_refsource_MISC)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Patch, Mailing List, Third Party Advisory, x_refsource_MISC)
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.