CVEvulnerability

CVE-2010-4247

5.5 MEDIUM Published 2011-01-11 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2011-01-11
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.5 MEDIUM — AV:A/AC:L/Au:S/C:N/I:N/A:C
Weaknesses
CWE-20

Description

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.

Affected configurations

• citrix xen (<= 3.3.2) • citrix xen 3.0.2 • citrix xen 3.0.3 • citrix xen 3.0.4 • citrix xen 3.1.3 • citrix xen 3.1.4 • citrix xen 3.2.0 • citrix xen 3.2.1 • citrix xen 3.2.2 • citrix xen 3.2.3 • citrix xen 3.3.0 • citrix xen 3.3.1

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References