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…
- 7.7HighCVSS base score
- 15.3%Exploitation in 30 daysEPSS · top 3.2% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. A reference of the record is tagged as an exploit.
Show the exploits2
Exploit-DB1 entry
- QEMU - Floppy Disk Controller (FDC) (PoC) (Exploit-DB entry) (opens in a new tab)
EDB-ID 37053dos, multiplepublished 18 May 2015Not verified
References tagged exploit1 reference
- 37053 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 14 days later
· 14 days later
Published
- 9 years later
· 9 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.7 | AV:A/AC:L/Au:S/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 15.3% · top 3.2% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.7.
Affected products
n/a
- affected n/a
References
48
- 37053 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 1032306 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2015:0889 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://kb.juniper.net/JSA10783 (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-3259 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- SUSE-SU-2015:0929 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2015:0896 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- GLSA-201612-27 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- RHSA-2015:0999 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://kc.mcafee.com/corporate/index?page=content&id=SB10118 (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2015:0923 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2015:1001 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- HPSBMU03336 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- http://support.citrix.com/article/CTX201078 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://xenbits.xen.org/xsa/advisory-133.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2015:1003 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- openSUSE-SU-2015:0893 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 1032917 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- HPSBMU03349 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- RHSA-2015:0998 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://www.suse.com/security/cve/CVE-2015-3456.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2015:0894 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- FEDORA-2015-8249 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- https://bto.bluecoat.com/security-advisory/sa95 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2015:1004 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://venom.crowdstrike.com/ (opens in a new tab)x_refsource_MISCx_transferred
- RHSA-2015:1011 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://support.lenovo.com/us/en/product_security/venom (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2015:0927 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=e907746266721f305d67bc0718795fedee2e824c (opens in a new tab)x_refsource_CONFIRMx_transferred
- GLSA-201604-03 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- RHSA-2015:1002 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-2608-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://securityblog.redhat.com/2015/05/13/venom-dont-get-bitten/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2015:0983 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10693 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1032311 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-438937.htm (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-3262 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- GLSA-201602-01 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- openSUSE-SU-2015:1400 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 74640 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- DSA-3274 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- http://www.fortiguard.com/advisory/2015-05-19-cve-2015-3456-venom-vulnerability (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://access.redhat.com/articles/1444903 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2015:1000 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://www.arista.com/en/support/advisories-notices/security-advisories/1128-security-advisory-10 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2015-3499 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2015-3456)Record last updated .