CVE-2015-3456

Advisory lineage Upstream: 0 Downstream: 26
Modified
Published: 13 May 2015, 18:00
Last modified:06 Aug 2024, 05:47

Vulnerability Summary

Overall Risk (default)
medium
45/100
CVSS Score
7.7 HIGH
v2.0 (nvd)
EPSS Score
19.32% MEDIUM
19% probability -16.76%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

13 May 2015, 18:00
Published
Vulnerability first disclosed
06 Aug 2024, 05:47
Last Modified
Vulnerability information updated

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 Metrics

  • v2.0•HIGH•Score: 7.7AV:A/AC:L/Au:S/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 19.32%• Percentile: 95%

Techniques & Countermeasures

  • CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer

    The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Affected Systems

  • qemu•qemu

    ≤ 2.3.0

  • redhat•enterprise_linux

    5 | 6.0 | 7.0

  • redhat•enterprise_virtualization

    3.0

  • redhat•openstack

    4.0 | 5.0 | 6.0 | 7.0

  • xen•xen

    4.5.0

References (48)