synced 1 MIN AGO
01 Record

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

UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector

02 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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
4.11% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 90.3% of scored records. A rank, not a probability.
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2014-12-12 15:00Z11 YR AGO
Last updated
2024-08-06 13:03Z2 YR AGO
Reserved
2014-10-03
Assigning CNA
redhat
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-20Improper Input ValidationClass
  • CWE-822Untrusted Pointer DereferenceBase
Data version
5.1
Document digest
e3e65fba8aa502095fa486c7e2401f326f437cf07f4a89098ed5017953c76f0b

05 Affected products

VendorProductVersionsPlatforms
qemuqemuNot specified—
redhatenterprise_linuxNot specified—
redhatenterprise_linux_desktopNot specified—
redhatenterprise_linux_eusNot specified—
redhatenterprise_linux_serverNot specified—
redhatenterprise_linux_server_ausNot specified—
redhatenterprise_linux_workstationNot specified—
redhatopenstackNot specified—
redhatvirtualizationNot specified—

06 References

07 Fixed in

Debian 12

  • qemu
    Fixed in 2.1+dfsg-8

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • qemu
    Fixed in 2.1+dfsg-8

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • qemu
    Fixed in 2.1+dfsg-8

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 14.04 LTS

  • qemu
    Fixed in 2.0.0+dfsg-2ubuntu1.9

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.