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ND_OPT_MTU handler blindly sets bad MTUs #8

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gregular opened this issue Jun 12, 2013 · 1 comment
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ND_OPT_MTU handler blindly sets bad MTUs #8

gregular opened this issue Jun 12, 2013 · 1 comment

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@gregular
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Some mis-configured servers send the ND_OPT_MTU parameter as 0 or potentially other invalid values. The linux kernel does bounds checking on the MTU option and will ignore values < IPV6_MIN_MTU.
@sbyx
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sbyx commented Jun 13, 2013

I added some sanity checks. Thanks for the hint.

@sbyx sbyx closed this as completed Jun 13, 2013
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@sbyx @gregular