CVE-2014-7840

Description

The host_from_stream_offset function in arch_init.c in QEMU, when loading RAM during migration, allows remote attackers to execute arbitrary code via a crafted (1) offset or (2) length value in savevm data.

Category

7.5
CVSS
Severity: High
CVSS 2.0 •
EPSS 2.46% Top 20%
Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://rhn.redhat.com/errata/RHSA-2015-0624.html third party advisory vendor advisory
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=0be839a2701369f669532ea5884c15bead1c6e08
http://thread.gmane.org/gmane.comp.emulators.qemu/306117 mailing list broken link
http://rhn.redhat.com/errata/RHSA-2015-0349.html third party advisory vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/99194 vdb entry third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1163075 issue tracking third party advisory

Frequently Asked Questions

What is the severity of CVE-2014-7840?
CVE-2014-7840 has been scored as a high severity vulnerability.
How to fix CVE-2014-7840?
To fix CVE-2014-7840, 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-2014-7840 being actively exploited in the wild?
It is possible that CVE-2014-7840 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.