CVE-2014-7840
high
CVSS v3
—
CVSS v2
7.5
VIR risk
7.5
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2014-7840
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rhel | 7.0 | affected | |
| rhel | 7.3 | affected | |
| rhel | 7.4 | affected | |
| rhel | 7.5 | affected | |
| rhel | 7.6 | affected | |
| rhel | 7.7 | affected | |
| debian | bookworm | fixed | 2.1+dfsg-8 |
| debian | bullseye | fixed | 2.1+dfsg-8 |
| debian | forky | fixed | 2.1+dfsg-8 |
| debian | sid | fixed | 2.1+dfsg-8 |
| debian | trixie | fixed | 2.1+dfsg-8 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| qemu | qemu | {"endIncluding":"2.1.3"} | |
| redhat | virtualization | 3.0 | |
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=0be839a2701369f669532ea5884c15bead1c6e08
- http://rhn.redhat.com/errata/RHSA-2015-0349.html
- http://rhn.redhat.com/errata/RHSA-2015-0624.html
- http://thread.gmane.org/gmane.comp.emulators.qemu/306117
- https://bugzilla.redhat.com/show_bug.cgi?id=1163075
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99194
- https://security-tracker.debian.org/tracker/CVE-2014-7840
CWEs
CWE-20
Verify integrity in audit chain (admin only). AS-IS.