OSVDB ID: 12835

Title: Linux Kernel random.c poolsize_strategy() Overflow

Info

Disclosure
Jan 11, 2005

Discovery
Unknown

Dates

Exploit
Unknown

Solution
Unknown

Description

 A local overflow exists in the Linux kernel. The poolsize_strategy() function fails to validate integers to be used in a userland to kernel space memory copy operation resulting in an integer overflow. With a specially crafted request, an attacker can cause arbitrary code execution resulting in a loss of integrity.

Classification

 Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Available

Solution

 Currently, there are no known upgrades, patches, or workarounds available to correct this issue.

Products

Linus Torvalds

Linux

 2.4
2.4.1
2.4.2
2.4.3
2.4.4
2.4.5
2.4.6
2.4.7
2.4.8
2.4.9
2.4.10
2.4.11
2.4.12
2.4.13
2.4.14
2.4.15
2.4.16
2.4.17
2.4.18
2.4.19
2.4.20
2.4.21
2.4.22
2.4.23
2.4.24
2.4.25
2.4.26
2.4.27
2.4.28
2.6
2.6.1
2.6.2
2.6.3
2.6.4
2.6.5
2.6.6
2.6.7
2.6.8
2.6.9
2.6.10

References

Credit
  • Brad Spengler - spenderBrand New Doo Doogrsecurity.net - grsecurity


Direct URL: http://osvdb.org/36218