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 arbitrary code via the (1) FD_CMD_READ_ID, (2)…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 15.3%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
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 arbitrary code via the (1) FD_CMD_READ_ID, (2) FD_CMD_DRIVE_SPECIFICATION_COMMAND, or other unspecified commands, aka VENOM.
- CVSS 2.0
- 7.7 HIGHAV:A/AC:L/Au:S/C:C/I:C/A:C
- EPSS
- 15.28% probability · 97th percentile
- Public exploits
- 1 in Exploit-DB · first 18 May 2015
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- qemu/qemu · redhat/enterprise virtualization · redhat/openstack · redhat/enterprise linux · xen/xen
- Source
- cve@mitre.org
EPSS 15.3% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=e907746266721f305d67bc0718795fedee2e824c
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10693
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158072.html
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00019.html
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00042.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00001.html
- http://lists.opensuse.org/opensuse-updates/2015-08/msg00021.html
- http://marc.info/?l=bugtraq&m=143229451215900&w=2
- http://marc.info/?l=bugtraq&m=143387998230996&w=2
- http://rhn.redhat.com/errata/RHSA-2015-0998.html
- http://rhn.redhat.com/errata/RHSA-2015-0999.html
- http://rhn.redhat.com/errata/RHSA-2015-1000.html
- http://rhn.redhat.com/errata/RHSA-2015-1001.html
- http://rhn.redhat.com/errata/RHSA-2015-1002.html
- http://rhn.redhat.com/errata/RHSA-2015-1003.html
- http://rhn.redhat.com/errata/RHSA-2015-1004.html
- http://rhn.redhat.com/errata/RHSA-2015-1011.html
- http://support.citrix.com/article/CTX201078
- http://venom.crowdstrike.com/
- http://www.debian.org/security/2015/dsa-3259
- http://www.debian.org/security/2015/dsa-3262
- http://www.debian.org/security/2015/dsa-3274
- http://www.fortiguard.com/advisory/2015-05-19-cve-2015-3456-venom-vulnerability
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- http://www.securityfocus.com/bid/74640
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.