The IA32 system call emulation functionality in Linux kernel 2.4.x and
2.6.x before 18.104.22.168, 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
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
BUGTRAQ:20070924 COSEINC Linux Advisory #2: IA32 System Call Emulation Vulnerability
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