VulnerabilityModified
CVE-2014-7840
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.
HIGH 7.5EPSS 4.12%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 4.12% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- qemu/qemu · redhat/enterprise linux desktop · redhat/enterprise linux eus · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux workstation · redhat/virtualization
- Source
- secalert@redhat.com
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=0be839a2701369f669532ea5884c15bead1c6e08
- 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 Tracking, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99194Third Party Advisory, VDB Entry
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=0be839a2701369f669532ea5884c15bead1c6e08
- 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 Tracking, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99194Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.