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01 Record

CVE-2015-3456

The Floppy Disk Controller (FDC) in QEMU, as used in Xen 4.5.x and earlier and KVM, allows local guest users to cause a denial of service (out-of-bounds write and guest crash) or possibly execute

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
View raw JSON

02 Description

The Floppy Disk Controller (FDC) in QEMU, as used in Xen 4.5.x and earlier and KVM, allows local guest users to cause a denial of service (out-of-bounds write and guest crash) or possibly execute

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
15.27% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 96.4% 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
Important. 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
2015-05-13 18:00Z11 YR AGO
Last updated
2024-08-06 05:47Z2 YR AGO
Reserved
2015-04-29
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
Data version
5.1
Document digest
271da20caa43a55fce6c77005a4f2b88b88a21abb27a7951adfc40bd2859073b

05 Affected products

VendorProductVersionsPlatforms
qemuqemuNot specified—
redhatenterprise_linuxNot specified—
redhatenterprise_virtualizationNot specified—
redhatopenstackNot specified—
redhatrhel_eusNot specified—
redhatrhel_virtualizationNot specified—
xenxenNot specified—

06 References

07 Fixed in

Debian 12

  • qemu
    Fixed in 1:2.3+dfsg-3
  • xen
    Fixed in 4.4.0-1

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

Debian 13

  • qemu
    Fixed in 1:2.3+dfsg-3
  • xen
    Fixed in 4.4.0-1

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

Debian 14

  • qemu
    Fixed in 1:2.3+dfsg-3
  • xen
    Fixed in 4.4.0-1

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-2ubuntu1.11
  • virtualbox
    Fixed in 4.3.10-dfsg-1ubuntu5
  • xen
    Fixed in 4.4.1-0ubuntu0.14.04.6

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.