Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.1.3 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Eus | 7.3 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 7.3 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Redhat | Virtualization | 3.0 |
| Redhat | Enterprise Linux | 7.0 |
Related Weaknesses (CWE)
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=0be839a2701369f669532ea5884c15bea
- http://rhn.redhat.com/errata/RHSA-2015-0349.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-0624.htmlThird Party Advisory
- http://thread.gmane.org/gmane.comp.emulators.qemu/306117Broken Link
- https://bugzilla.redhat.com/show_bug.cgi?id=1163075Issue TrackingThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99194Third Party AdvisoryVDB Entry
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=0be839a2701369f669532ea5884c15bea
- http://rhn.redhat.com/errata/RHSA-2015-0349.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-0624.htmlThird Party Advisory
- http://thread.gmane.org/gmane.comp.emulators.qemu/306117Broken Link
- https://bugzilla.redhat.com/show_bug.cgi?id=1163075Issue TrackingThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99194Third Party AdvisoryVDB Entry
FAQ
What is CVE-2014-7840?
CVE-2014-7840 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...
How severe is CVE-2014-7840?
CVE-2014-7840 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-7840?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus.