Skip to main content

Off-by-one Error

CVE-2011-2695

Medium
4.9/10

Summary

Multiple off-by-one errors in the ext4 subsystem in the Linux kernel before 3.0-rc5 allow local users to cause a denial of service (BUG_ON and system crash) by accessing a sparse file in extent format with a write operation involving a block number corresponding to the largest possible 32-bit unsigned integer.

  • LOW
  • LOCAL
  • NONE
  • NONE
  • NONE
  • COMPLETE

CWE-193 - Off-by-one Error

A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.

References

Advisory Timeline

  • Published