CVEvulnerability
CVE-2014-0148
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-09-29
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-835
Description
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.
Affected configurations
• qemu qemu (< 2.0.0)
• redhat virtualization 3.0
• redhat enterprise linux desktop 6.0
• redhat enterprise linux eus 6.5
• redhat enterprise linux openstack platform 5
• redhat enterprise linux server 6.0
• redhat enterprise linux server aus 6.5
• redhat enterprise linux server tus 6.5
• redhat enterprise linux workstation 6.0
Related
Weakness · CWE (1)
- CWE-835 Loop with Unreachable Exit Condition weakness
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1d7678dec4761acdc43439da6ceda41a703ba1a6 git.qemu.org
- http://rhn.redhat.com/errata/RHSA-2014-0420.html Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2014-0421.html Third Party Advisory
- http://www.openwall.com/lists/oss-security/2014/03/26/8 Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1078212 Issue Tracking, Patch, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html Mailing List, Patch, Third Party Advisory
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1d7678dec4761acdc43439da6ceda41a703ba1a6 git.qemu.org
- http://rhn.redhat.com/errata/RHSA-2014-0420.html Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2014-0421.html Third Party Advisory
- http://www.openwall.com/lists/oss-security/2014/03/26/8 Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1078212 Issue Tracking, Patch, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html Mailing List, Patch, Third Party Advisory