The do_double_fault function in arch/x86/kernel/traps.c in the Linux
kernel through 3.17.4 does not properly handle faults associated with
the Stack Segment (SS) segment register, which allows local users to
cause a denial of service (panic) via a modify_ldt system call, as
demonstrated by sigreturn_32 in the linux-clock-tests test suite.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[oss-security] 20141126 Re: CVE Request: Linux kernel LDT handling bugs
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