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The IA32 system call emulation functionality in Linux kernel 2.4.x and 2.6.x before 2.6.22.7 when running on the x86_64 architecture does not zero extend the eax register after the 32bit entry path to ptrace is used which might allow local users to gain privileges by triggering an out-of-bounds access to the system call table using the %RAX register.

oval:org.mitre.oval:def:9735

The IA32 system call emulation functionality in Linux kernel 2.4.x and 2.6.x before 2.6.22.7 when running on the x86_64 architecture does not zero extend the eax register after the 32bit entry path to ptrace is used which might allow local users to gain privileges by triggering an out-of-bounds access to the system call table using the %RAX register.

Family:
unix
Status:
ACCEPTED
Platform(s):
  • CentOS Linux 4
  • CentOS Linux 3
  • Red Hat Enterprise Linux 5
  • Oracle Linux 5
  • Red Hat Enterprise Linux 3
  • Oracle Linux 4
  • Red Hat Enterprise Linux 4
  • CentOS Linux 5
Class:
vulnerability
Reference(s):
  • CVE-2007-4573
Product(s):