CVE-2014-7840

highpriority · track · 31EPSS 0.041 · 91 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

4.12% (91st) EPSS

CVSS 7.5 · high

Is it mine?

15 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7.5

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v2.06.4mediumAV:N/AC:L/Au:N/C:P/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimary

affected products (15)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
qemu qemu≤ 2.1.3nvdUScpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
redhat enterprise linux desktop= 7.0nvdUScpe:2.3:o:redhat:enterprise_linux_desktop:*:*:*:*:*:*:*:*
redhat enterprise linux eus= 7.3nvdUScpe:2.3:o:redhat:enterprise_linux_eus:*:*:*:*:*:*:*:*
redhat enterprise linux eus= 7.4nvdUScpe:2.3:o:redhat:enterprise_linux_eus:*:*:*:*:*:*:*:*
redhat enterprise linux eus= 7.5nvdUScpe:2.3:o:redhat:enterprise_linux_eus:*:*:*:*:*:*:*:*
redhat enterprise linux eus= 7.6nvdUScpe:2.3:o:redhat:enterprise_linux_eus:*:*:*:*:*:*:*:*
redhat enterprise linux eus= 7.7nvdUScpe:2.3:o:redhat:enterprise_linux_eus:*:*:*:*:*:*:*:*
redhat enterprise linux server= 7.0nvdUScpe:2.3:o:redhat:enterprise_linux_server:*:*:*:*:*:*:*:*
redhat enterprise linux server aus= 7.3nvdUScpe:2.3:o:redhat:enterprise_linux_server_aus:*:*:*:*:*:*:*:*
redhat enterprise linux server aus= 7.4nvdUScpe:2.3:o:redhat:enterprise_linux_server_aus:*:*:*:*:*:*:*:*
redhat enterprise linux server aus= 7.6nvdUScpe:2.3:o:redhat:enterprise_linux_server_aus:*:*:*:*:*:*:*:*
redhat enterprise linux server aus= 7.7nvdUScpe:2.3:o:redhat:enterprise_linux_server_aus:*:*:*:*:*:*:*:*
redhat enterprise linux workstation= 7.0nvdUScpe:2.3:o:redhat:enterprise_linux_workstation:*:*:*:*:*:*:*:*
redhat virtualization= 3.0nvdUScpe:2.3:a:redhat:virtualization:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2014-12-12modified 2026-06-17

related (25,176)

Related entries.

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+25171 more

references (22)

External citations — patches, advisories, analysis.

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