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Numeric Errors

CVE-2013-4511

Severity Medium
Score 6.9/10

Summary

Multiple integer overflows in Alchemy LCD frame-buffer drivers in the Linux kernel before 3.12 allow local users to create a read-write memory mapping for the entirety of kernel memory, and consequently gain privileges, via crafted mmap operations, related to the (1) au1100fb_fb_mmap function in drivers/video/au1100fb.c and the (2) au1200fb_fb_mmap function in drivers/video/au1200fb.c.

  • MEDIUM
  • LOCAL
  • NONE
  • COMPLETE
  • COMPLETE
  • COMPLETE

CWE-189 - Numeric Errors

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

References

Advisory Timeline

  • Published