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
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- qemu/qemu · redhat/enterprise virtualization · redhat/openstack · redhat/enterprise linux · xen/xen
- Source
- cve@mitre.org
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. Refreshed daily.