CVE-2014-0148

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.06%
Third-Party Advisory redhat.com Third-Party Advisory redhat.com Third-Party Advisory openwall.com Third-Party Advisory redhat.com Third-Party Advisory gnu.org
Affected: n/a Qemu
Published at:
Updated at:

References

Link Tags
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 patch mailing list third party advisory
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1d7678dec4761acdc43439da6ceda41a703ba1a6
https://bugzilla.redhat.com/show_bug.cgi?id=1078212 patch third party advisory issue tracking
https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html patch mailing list third party advisory

Frequently Asked Questions

What is the severity of CVE-2014-0148?
CVE-2014-0148 has been scored as a medium severity vulnerability.
How to fix CVE-2014-0148?
To fix CVE-2014-0148, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2014-0148 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2014-0148 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2014-0148?
CVE-2014-0148 affects n/a Qemu.
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