Bugtraq mailing list archives
Re: NetBSD Security Advisory 1999-001: select(2)/accept(2) race
From: alan () LXORGUK UKUU ORG UK (Alan Cox)
Date: Sun, 24 Jan 1999 00:40:33 +0000
2) Modify the kernel to not remove sockets from the accept(2) queue
when they are closed. A change that implements this has been added
to NetBSD-current, and is available at:
ftp://ftp.NetBSD.ORG/pub/NetBSD/misc/security/patches/19990120-accept
This method works well btw. Linux has always done this, (by happy chance). Im _amazed_ this bug exists. It was documented/abused/used/fixed in so many different places at different times even back in 1990/1991 or so Alan
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