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Linux Distros Unpatched Vulnerability : CVE-2015-3456

critical Nessus Plugin ID 218836

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

 - 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 arbitrary code via the (1) FD_CMD_READ_ID, (2) FD_CMD_DRIVE_SPECIFICATION_COMMAND, or other unspecified commands, aka VENOM. (CVE-2015-3456)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2015-3456

Plugin Details

Severity: Critical

ID: 218836

File Name: unpatched_CVE_2015_3456.nasl

Version: 1.2

Type: local

Agent: unix

Family: Misc.

Published: 3/4/2025

Updated: 8/19/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.1

CVSS v2

Risk Factor: High

Base Score: 7.7

Temporal Score: 6.4

Vector: CVSS2#AV:A/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2015-3456

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 9.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:qemu-guest-agent-win32, cpe:/o:redhat:rhel_eus:5.9, cpe:/o:redhat:enterprise_linux:5, p-cpe:/a:redhat:enterprise_linux:qemu-guest-agent, p-cpe:/a:redhat:enterprise_linux:qemu-img, cpe:/o:redhat:rhel_eus:6.2, p-cpe:/a:redhat:enterprise_linux:kvm, p-cpe:/a:redhat:enterprise_linux:xen, cpe:/o:redhat:rhel_eus:6.4, p-cpe:/a:redhat:enterprise_linux:qemu-kvm, cpe:/o:redhat:rhel_eus:5.6, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-tools

Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 5/13/2015

Reference Information

CVE: CVE-2015-3456