37286 : Linux Kernel Invalid LDT Segment Selector Local DoS
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Info

Last Modified
about 1 year ago

Percent Complete
10%

Disclosure
Jul 15, 2007

Discovery
Unknown

Dates

Exploit
Unknown

Solution
Unknown

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Description

 (Description Provided by CVE) : The Linux kernel 2.6.20 and 2.6.21 does not properly handle an invalid LDT segment selector in %cs (the xcs field) during ptrace single-step operations, which allows local users to cause a denial of service (NULL dereference and OOPS) via certain code that makes ptrace PTRACE_SETREGS and PTRACE_SINGLESTEP requests, related to the TRACE_IRQS_ON function, and possibly related to the arch_ptrace function.

Classification

 Attack Type: Denial of Service
Impact: Loss of Availability

Products

Unknown or Incomplete

References

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Nessus

 26208 27565 28123

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