In the Linux kernel, the following vulnerability has been resolved:

netfilter: ipset: stop hash:* range iteration at end

The following hash set variants:

hash:ip,mark
hash:ip,port
hash:ip,port,ip
hash:ip,port,net

iterate IPv4 ranges with a 32-bit iterator.

The iterator must stop once the last address in the requested range has
been processed. Advancing it once more can move the traversal state past
the end of the request, so a later retry may continue from an unintended
position.

Handle the iterator increment explicitly at the end of the loop and stop
once the upper bound has been processed. This keeps the existing retry
behaviour intact for valid ranges while preventing traversal from
continuing past the original boundary.

https://git.kernel.org/stable/c/02f75f041a93ea045834da89cd3234f4c1d749b4

https://git.kernel.org/stable/c/0b530efb2cc9dbdddfd49d392e3a857f0d4ce8dc

https://git.kernel.org/stable/c/0d3a282ab5f165fc207ff49ea5b6ad8f54616bd6

https://git.kernel.org/stable/c/0d7b33ace701fe397e6e4de145f32e098178d901

https://git.kernel.org/stable/c/383418c20e69f5761b6ec5238f599423f4fb77fb

https://git.kernel.org/stable/c/952e988163c2ab9939c3db9f0f8e77af6a1bb436

https://git.kernel.org/stable/c/be75218fadea22e59c8673db212f29c681bf45bb

https://git.kernel.org/stable/c/c281e018af98df91827d65bec00f4956c00a1b02

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