CVE Daily

CVE-2010-4247

The do_block_io_op function in (1) drivers/xen/blkback/blkback.c and (2) drivers...

Medium CVSS 5.5

Overview

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.

CWE: CWE-20 Published: 2011-01-11T03:00:04.063
Risk analysis

This vulnerability is rated 🟡 MEDIUM.

  • CVSS: 5.5 (MEDIUM)
  • Detected tags: none (tag impact: LOW)

Recommended actions:

  • Prioritize remediation based on business criticality and exposure.
  • Limit exposure and increase monitoring until fixed.

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