Vulnerability Monitor

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CVE-2010-4247

The do_block_io_op function in (1) drivers/xen/blkback/blkback.c and (2) drivers/xen/blktap/blktap.c in Xen before 3.4.0 for the Linux kernel 2.6.18, and possibly other versions, allows guest OS users to cause a denial of service (infinite loop and CPU consumption) via a large production request index to the blkback or blktap back-end drivers. NOTE: some of these details are obtained from third party information.

Published

2011-01-11T03:00:04.063

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.5 (MEDIUM)

CVSSv2 Vector

AV:A/AC:L/Au:S/C:N/I:N/A:C

  • Access Vector: ADJACENT_NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

5.1

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application citrix xen ≤ 3.3.2 Yes
Application citrix xen 3.0.2 Yes
Application citrix xen 3.0.3 Yes
Application citrix xen 3.0.4 Yes
Application citrix xen 3.1.3 Yes
Application citrix xen 3.1.4 Yes
Application citrix xen 3.2.0 Yes
Application citrix xen 3.2.1 Yes
Application citrix xen 3.2.2 Yes
Application citrix xen 3.2.3 Yes
Application citrix xen 3.3.0 Yes
Application citrix xen 3.3.1 Yes
Operating System linux linux_kernel 2.6.18 No
References