Skip to main content

Numeric Errors

CVE-2009-4307

High
7.1/10

Summary

The ext4_fill_flex_info function in fs/ext4/super.c in the Linux kernel before 2.6.32-git6 allows user-assisted remote attackers to cause a denial of service (divide-by-zero error and panic) via a malformed ext4 filesystem containing a super block with a large FLEX_BG group size (aka s_log_groups_per_flex value).

  • MEDIUM
  • NETWORK
  • NONE
  • NONE
  • NONE
  • COMPLETE

CWE-189 - Numeric Errors

Weaknesses in this category are related to improper calculation or conversion of numbers.

References

Advisory Timeline

  • Published