CVE-2015-3456
HIGH severity · CVSS 7.7 · Memory corruption
7.7CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorAdjacent
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)15%
AV:A/AC:L/Au:S/C:C/I:C/A:C
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- 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