Messages in this thread | | | Date | Fri, 5 Dec 2014 00:10:58 +0800 | From | Herbert Xu <> | Subject | Re: Where exactly will arch_fast_hash be used |
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On Thu, Dec 04, 2014 at 03:56:30PM +0000, David Laight wrote: > > "This CRC algorithm used by this hash is 'linear', ie hash(a xor b) == > hash(a) xor hash(b). This means that it is relatively easy for a remote > attacker to generate multiple items with the same hash."
The attacker could be local too, e.g., opening a netlink socket can be done by any user and gets hashed in net/netlink/af_netlink.c.
Cheers, -- Email: Herbert Xu <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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