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 <h2>  <h2 id=OpenBSD>
 <a href="index.html">  <a href="index.html">
 <font color="#0000ff"><i>Open</i></font><font color="#000084">BSD</font></a>  <i>Open</i><b>BSD</b></a>
 <font color="#e00000">2.4 Errata</font>  2.4 Errata
 </h2>  </h2>
 <hr>  <hr>
   
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 <ul>  <ul>
 <li id="bmap">  <li id="bmap">
 <font color="#009000"><strong>RELIABILITY FIX</strong></font>  <strong>RELIABILITY FIX</strong>
 &nbsp; <i>All architectures</i><br>  &nbsp; <i>All architectures</i><br>
 A local user can crash the system by reading a file larger than 64meg  A local user can crash the system by reading a file larger than 64meg
 from an ext2fs partition.  from an ext2fs partition.
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 A source code patch exists which remedies this problem.</a>  A source code patch exists which remedies this problem.</a>
 <p>  <p>
 <li id="lnpanic">  <li id="lnpanic">
 <font color="#009000"><strong>RELIABILITY FIX</strong></font>  <strong>RELIABILITY FIX</strong>
 &nbsp; <i>All architectures</i><br>  &nbsp; <i>All architectures</i><br>
 A local user can crash the system because of a bug in the vfs layer.  A local user can crash the system because of a bug in the vfs layer.
 <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/lnpanic.patch">  <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/lnpanic.patch">
 A source code patch exists which remedies this problem.</a>  A source code patch exists which remedies this problem.</a>
 <p>  <p>
 <li id="poll">  <li id="poll">
 <font color="#009000"><strong>SECURITY FIX</strong></font>  <strong>SECURITY FIX</strong>
 &nbsp; <i>All architectures</i><br>  &nbsp; <i>All architectures</i><br>
 A machine crash is possible when playing with poll(2).  A machine crash is possible when playing with poll(2).
 <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/poll.patch">  <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/poll.patch">
 A source code patch exists which remedies this problem.</a>  A source code patch exists which remedies this problem.</a>
 <p>  <p>
 <li id="nlink">  <li id="nlink">
 <font color="#009000"><strong>SECURITY FIX</strong></font>  <strong>SECURITY FIX</strong>
 &nbsp; <i>All architectures</i><br>  &nbsp; <i>All architectures</i><br>
 A machine crash is possible when playing with link(2) on FFS.  A machine crash is possible when playing with link(2) on FFS.
 <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/nlink.patch">  <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/nlink.patch">
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 This is version four of the patch.  This is version four of the patch.
 <p>  <p>
 <li id="ping">  <li id="ping">
 <font color="#009000"><strong>SECURITY FIX</strong></font>  <strong>SECURITY FIX</strong>
 &nbsp; <i>All architectures</i><br>  &nbsp; <i>All architectures</i><br>
 A buffer overflow existed in ping(8), which may have a security issue.  A buffer overflow existed in ping(8), which may have a security issue.
 <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/ping.patch">  <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/ping.patch">
 A source code patch exists which remedies this problem.</a>  A source code patch exists which remedies this problem.</a>
 <p>  <p>
 <li id="ipqrace">  <li id="ipqrace">
 <font color="#009000"><strong>SECURITY FIX</strong></font>  <strong>SECURITY FIX</strong>
 &nbsp; <i>All architectures</i><br>  &nbsp; <i>All architectures</i><br>
 A race condition in IP ipq handling could permit a remote crash.  A race condition in IP ipq handling could permit a remote crash.
 <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/ipqrace.patch">  <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/ipqrace.patch">
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 and <a href="errata24.html#tcpfix">the tcp decoding patch</a>.  and <a href="errata24.html#tcpfix">the tcp decoding patch</a>.
 <p>  <p>
 <li id="accept">  <li id="accept">
 <font color="#009000"><strong>SECURITY FIX</strong></font>  <strong>SECURITY FIX</strong>
 &nbsp; <i>All architectures</i><br>  &nbsp; <i>All architectures</i><br>
 A race condition existed between accept(2) and select(2) which could  A race condition existed between accept(2) and select(2) which could
 permit an attacker to hang sockets from remote.  permit an attacker to hang sockets from remote.
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 A source code patch exists which remedies this problem.</a>  A source code patch exists which remedies this problem.</a>
 <p>  <p>
 <li id="maxqueue">  <li id="maxqueue">
 <font color="#009000"><strong>SECURITY FIX</strong></font>  <strong>SECURITY FIX</strong>
 &nbsp; <i>All architectures</i><br>  &nbsp; <i>All architectures</i><br>
 IP fragment assembly can bog the machine excessively and cause problems.  IP fragment assembly can bog the machine excessively and cause problems.
 <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/maxqueue.patch">  <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/maxqueue.patch">
 A source code patch exists which remedies this problem.</a>  A source code patch exists which remedies this problem.</a>
 <p>  <p>
 <li id="uio">  <li id="uio">
 <font color="#009000"><strong>FUNCTIONALITY FIX</strong></font>  <strong>FUNCTIONALITY FIX</strong>
 &nbsp; <i>All architectures</i><br>  &nbsp; <i>All architectures</i><br>
 The readv(2) and writev(2) system calls would not accept a <em>struct iovec</em>  The readv(2) and writev(2) system calls would not accept a <em>struct iovec</em>
 with an <strong>iov_len</strong> of 0.  This causes a db test in perl to fail.  with an <b>iov_len</b> of 0.  This causes a db test in perl to fail.
 <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/uio.patch">  <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/uio.patch">
 A source code patch exists which remedies this problem.</a>  A source code patch exists which remedies this problem.</a>
 <p>  <p>
 <li id="rst">  <li id="rst">
 <font color="#009000"><strong>SECURITY FIX</strong></font>  <strong>SECURITY FIX</strong>
 &nbsp; <i>All architectures</i><br>  &nbsp; <i>All architectures</i><br>
 TCP/IP RST handling was too sloppy.  TCP/IP RST handling was too sloppy.
 <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/rst.patch">  <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/rst.patch">
 A source code patch exists which remedies this problem.</a>  A source code patch exists which remedies this problem.</a>
 <p>  <p>
 <li id="kvm_mkdb">  <li id="kvm_mkdb">
 <font color="#009000"><strong>FUNCTIONALITY FIX</strong></font>  <strong>FUNCTIONALITY FIX</strong>
 &nbsp; <i>All architectures</i><br>  &nbsp; <i>All architectures</i><br>
 During bootup, kvm_mkdb may exit with the error "kvm_mkdb: cannot allocate  During bootup, kvm_mkdb may exit with the error "kvm_mkdb: cannot allocate
 memory".  memory".
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 A source code patch exists which remedies this problem.</a>  A source code patch exists which remedies this problem.</a>
 <p>  <p>
 <li id="nfs3_solaris7">  <li id="nfs3_solaris7">
 <font color="#009000"><strong>FUNCTIONALITY FIX</strong></font>  <strong>FUNCTIONALITY FIX</strong>
 &nbsp; <i>All architectures</i><br>  &nbsp; <i>All architectures</i><br>
 A problem with writing to NFS version 3 mounted filesystems from Solaris 7  A problem with writing to NFS version 3 mounted filesystems from Solaris 7
 hosts exists.  Attempts to create files will result in an error such as  hosts exists.  Attempts to create files will result in an error such as
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 A source code patch exists which remedies this problem.</a>  A source code patch exists which remedies this problem.</a>
 <p>  <p>
 <li id="nfs3">  <li id="nfs3">
 <font color="#009000"><strong>FUNCTIONALITY FIX</strong></font>  <strong>FUNCTIONALITY FIX</strong>
 &nbsp; <i>All architectures</i><br>  &nbsp; <i>All architectures</i><br>
 A problem with NFS version 3 mounts on big endian machines (m68k, sparc  A problem with NFS version 3 mounts on big endian machines (m68k, sparc
 and powerpc) exists when mounting filesystems larger than 2gig.  You  and powerpc) exists when mounting filesystems larger than 2gig.  You
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 A source code patch exists which remedies this problem.</a>  A source code patch exists which remedies this problem.</a>
 <p>  <p>
 <li id="termcap">  <li id="termcap">
 <font color="#009000"><strong>SECURITY FIX</strong></font>  <strong>SECURITY FIX</strong>
 &nbsp; <i>All architectures</i><br>  &nbsp; <i>All architectures</i><br>
 A security problem exists in the curses and ocurses libraries that affect  A security problem exists in the curses and ocurses libraries that affect
 setuid programs linked with -lcurses or -locurses.  setuid programs linked with -lcurses or -locurses.
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 platform.  Unpack it in /usr/lib.  platform.  Unpack it in /usr/lib.
 <p>  <p>
 <li id="terminfo">  <li id="terminfo">
 <font color="#009000"><strong>FUNCTIONALITY FIX</strong></font>  <strong>FUNCTIONALITY FIX</strong>
 &nbsp; <i>All architectures</i><br>  &nbsp; <i>All architectures</i><br>
 A workaround for an xterm problem that causes <strong>vi</strong> to not  A workaround for an xterm problem that causes <b>vi</b> to not
 restore the correct cursor position on exit.  restore the correct cursor position on exit.
 <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/terminfo.src.patch">  <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/terminfo.src.patch">
 A source code patch exists which remedies this problem.</a>  A source code patch exists which remedies this problem.</a>
 <br>  <br>
 Alternately, you can also download a pre-compiled terminfo file to be  Alternately, you can also download a pre-compiled terminfo file to be
 installed as <strong>/usr/share/misc/terminfo.db</strong>.  For i386,  installed as <b>/usr/share/misc/terminfo.db</b>.  For i386,
 alpha and mips, use the  alpha and mips, use the
 <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/terminfo.db-LE.tar.gz">  <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/terminfo.db-LE.tar.gz">
 little endian</a> version.  For sparc, m68k and powerpc, use the  little endian</a> version.  For sparc, m68k and powerpc, use the
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 big endian</a> version.  big endian</a> version.
 <p>  <p>
 <li id="userdir">  <li id="userdir">
 <font color="#009000"><strong>FUNCTIONALITY FIX</strong></font>  <strong>FUNCTIONALITY FIX</strong>
 &nbsp; <i>All architectures</i><br>  &nbsp; <i>All architectures</i><br>
 <strong>userdir</strong> support was accidentally left out of httpd(8).  <b>userdir</b> support was accidentally left out of httpd(8).
 <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/userdir.patch">  <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/userdir.patch">
 A source code patch exists which remedies this problem.</a>  A source code patch exists which remedies this problem.</a>
 <p>  <p>
 <li id="bootpd">  <li id="bootpd">
 <font color="#009000"><strong>SECURITY FIX</strong></font>  <strong>SECURITY FIX</strong>
 &nbsp; <i>All architectures</i><br>  &nbsp; <i>All architectures</i><br>
 A remotely exploitable problem exists in bootpd(8).  bootpd is disabled  A remotely exploitable problem exists in bootpd(8).  bootpd is disabled
 by default, but some people may actually be using it.  by default, but some people may actually be using it.
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 This is the second version of the patch.  This is the second version of the patch.
 <p>  <p>
 <li id="tcpfix">  <li id="tcpfix">
 <font color="#009000"><strong>SECURITY FIX</strong></font>  <strong>SECURITY FIX</strong>
 &nbsp; <i>All architectures</i><br>  &nbsp; <i>All architectures</i><br>
 A remote machine lockup problem exists in the TCP decoding code.  A remote machine lockup problem exists in the TCP decoding code.
 <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/tcpfix.patch">  <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/common/tcpfix.patch">
 A source code patch exists which remedies this problem.</a>  A source code patch exists which remedies this problem.</a>
 <p>  <p>
 <li id="tss">  <li id="tss">
 <font color="#009000"><strong>SECURITY FIX</strong></font><br>  <strong>SECURITY FIX</strong><br>
 This is another fix for a kernel crash caused by the  This is another fix for a kernel crash caused by the
 <strong>crashme</strong> program.  <b>crashme</b> program.
 <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/i386/tss.patch">  <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/i386/tss.patch">
 A source code patch exists which remedies this problem.</a>  A source code patch exists which remedies this problem.</a>
 <p>  <p>
 <li id="bootargv">  <li id="bootargv">
 <font color="#009000"><strong>FUNCTIONALITY FIX</strong></font><br>  <strong>FUNCTIONALITY FIX</strong><br>
 The kernel was using a fixed and hard-coded location for the arguments  The kernel was using a fixed and hard-coded location for the arguments
 vector passed from the <strong>/boot</strong> loader.  This prevented  vector passed from the <b>/boot</b> loader.  This prevented
 <strong>/boot</strong> from placing the boot arguments vector at any  <b>/boot</b> from placing the boot arguments vector at any
 other location, causing a kernel crash early in the autoconfiguration  other location, causing a kernel crash early in the autoconfiguration
 stage.  In 2.5, the bootblocks will be modified to use a new location.  stage.  In 2.5, the bootblocks will be modified to use a new location.
 Hence, if you wish old kernels to boot on a new bootblock, those  Hence, if you wish old kernels to boot on a new bootblock, those
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 A source code patch exists which remedies this problem.</a>  A source code patch exists which remedies this problem.</a>
 <p>  <p>
 <li id="trctrap">  <li id="trctrap">
 <font color="#009000"><strong>SECURITY FIX</strong></font><br>  <strong>SECURITY FIX</strong><br>
 i386 trace-trap handling when DDB was configured could cause a system  i386 trace-trap handling when DDB was configured could cause a system
 crash.  crash.
 <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/i386/trctrap.patch">  <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/i386/trctrap.patch">
 A source code patch exists which remedies this problem.</a>  A source code patch exists which remedies this problem.</a>
 <p>  <p>
 <li id="installboot">  <li id="installboot">
 <font color="#009000"><strong>FUNCTIONALITY FIX</strong></font><br>  <strong>FUNCTIONALITY FIX</strong><br>
 i386 installboot had a sign extension bug which prevented proper bootblock  i386 installboot had a sign extension bug which prevented proper bootblock
 initialization when the root filesystem was placed beyond 4GB.  initialization when the root filesystem was placed beyond 4GB.
 <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/i386/installboot.patch">  <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/i386/installboot.patch">
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 that your root filesystem is below 4GB, for now.  that your root filesystem is below 4GB, for now.
 <p>  <p>
 <li id="hme">  <li id="hme">
 <font color="#009000"><strong>DRIVER FIX</strong></font><br>  <strong>DRIVER FIX</strong><br>
 The sparc hme(4) and be(4) drivers work poorly on some types of SS-20  The sparc hme(4) and be(4) drivers work poorly on some types of SS-20
 machines.  This is because those machines lie, saying they support 64-bit DMA  machines.  This is because those machines lie, saying they support 64-bit DMA
 bursting.  No sun4m machines support that.  bursting.  No sun4m machines support that.
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 A source code patch exists which remedies this problem.</a>  A source code patch exists which remedies this problem.</a>
 <p>  <p>
 <li id="le">  <li id="le">
 <font color="#009000"><strong>DRIVER FIX</strong></font><br>  <strong>DRIVER FIX</strong><br>
 The sparc le(4) driver does media changes incorrectly on one type of  The sparc le(4) driver does media changes incorrectly on one type of
 sbus le(4) card.  sbus le(4) card.
 <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/sparc/le.patch">  <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/2.4/sparc/le.patch">
 A source code patch exists which remedies this problem.</a>  A source code patch exists which remedies this problem.</a>
 <p>  <p>
 <li id="hp300X">  <li id="hp300X">
 <font color="#009000"><strong>FUNCTIONALITY FIX</strong></font><br>  <strong>FUNCTIONALITY FIX</strong><br>
 The Xhp as shipped does not have the execute permissions set.  The fix is  The Xhp as shipped does not have the execute permissions set.  The fix is
 'chmod 755 /usr/X11R6/bin/Xhp' if you have installed X.  'chmod 755 /usr/X11R6/bin/Xhp' if you have installed X.
 <p>  <p>
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