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<title>OpenBSD 4.7 errata</title>
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This is the OpenBSD 4.7 release errata & patch list:
</font></h2>
<hr>
<a href=stable.html>For OpenBSD patch branch information, please refer here.</a><br>
<br>
For errata on a certain release, click below:<br>
<a href="errata21.html">2.1</a>,
<a href="errata22.html">2.2</a>,
<a href="errata23.html">2.3</a>,
<a href="errata24.html">2.4</a>,
<a href="errata25.html">2.5</a>,
<a href="errata26.html">2.6</a>,
<a href="errata27.html">2.7</a>,
<a href="errata28.html">2.8</a>,
<a href="errata29.html">2.9</a>,
<a href="errata30.html">3.0</a>,
<a href="errata31.html">3.1</a>,
<a href="errata32.html">3.2</a>,
<a href="errata33.html">3.3</a>,
<a href="errata34.html">3.4</a>,
<a href="errata35.html">3.5</a>,
<a href="errata36.html">3.6</a>,
<br>
<a href="errata37.html">3.7</a>,
<a href="errata38.html">3.8</a>,
<a href="errata39.html">3.9</a>,
<a href="errata40.html">4.0</a>,
<a href="errata41.html">4.1</a>,
<a href="errata42.html">4.2</a>,
<a href="errata43.html">4.3</a>,
<a href="errata44.html">4.4</a>,
<a href="errata45.html">4.5</a>,
<a href="errata46.html">4.6</a>,
<a href="errata48.html">4.8</a>,
<a href="errata49.html">4.9</a>.
<br>
<hr>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.7.tar.gz">
You can also fetch a tar.gz file containing all the following patches</a>.
This file is updated once a day.
<p> The patches below are available in CVS via the
<code>OPENBSD_4_7</code> <a href="stable.html">patch branch</a>.
<p>
For more detailed information on how to install patches to OpenBSD, please
consult the <a href="./faq/faq10.html#Patches">OpenBSD FAQ</a>.
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<ul>
<li><a name="013_pf"></a>
<font color="#009000"><strong>013: SECURITY FIX: February 16, 2011</strong></font> <i>Little-endian architectures</i><br>
PF rules specifying address ranges (e.g. "10.1.1.1 - 10.1.1.5") were
not correctly handled on little-endian systems (alpha, amd64, arm, i386,
mips64el, vax). Other address types (bare addresses "10.1.1.1" and
prefixes "10.1.1.1/30") are not affected.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/013_pf.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="012_openssl"></a>
<font color="#009000"><strong>012: SECURITY FIX: February 11, 2011</strong></font> <i>All architectures</i><br>
An incorrectly formatted ClientHello handshake message could cause
OpenSSL to parse past the end of the message. An attacker could use this flaw
to trigger an invalid memory access, causing a crash of an application linked
to OpenSSL. As well, certain applications may expose the contents of parsed
OCSP extensions, specifically the OCSP nonce extension.
<p>
Applications are only affected if they act as a server and call
SSL_CTX_set_tlsext_status_cb on the server's SSL_CTX. It is believed
that nothing in the base OS uses this. Apache httpd started using this
in v2.3.3; this is newer than the version in ports.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/012_openssl.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="011_rtsock"></a>
<font color="#009000"><strong>011: RELIABILITY FIX: January 13, 2011</strong></font> <i>All architectures</i><br>
sp_protocol in RTM_DELETE messages could contain garbage values
leading to routing socket users that restrict the AF (such as ospfd)
not seeing any of the RTM_DELETE messages.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/011_rtsock.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="010_cbc"></a>
<font color="#009000"><strong>010: RELIABILITY FIX: December 20, 2010</strong></font> <i>All architectures</i><br>
Bring CBC oracle attack countermeasures to hardware crypto accelerator land.
This fixes aes-ni, via xcrypt and various drivers
(<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=glxsb&arch=i386&sektion=4">glxsb(4)</a>,
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=hifn&sektion=4">hifn(4)</a>,
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=safe&sektion=4">safe(4)</a>
and
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ubsec&sektion=4">ubsec(4)</a>).
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/010_cbc.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="009_pf"></a>
<font color="#009000"><strong>009: SECURITY FIX: December 17, 2010</strong></font> <i>All architectures</i><br>
Insufficent initialization of the pf rule structure in the ioctl
handler may allow userland to modify kernel memory. By default root
privileges are needed to add or modify pf rules.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/009_pf.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="008_openssl"></a>
<font color="#009000"><strong>008: RELIABILITY FIX: November 17, 2010</strong></font> <i>All architectures</i><br>
Fix a flaw in the OpenSSL TLS server extension code parsing which could lead to
a buffer overflow. This affects OpenSSL based TLS servers which are multi-threaded
and use OpenSSL's internal caching mechanism. Servers that are multi-process
and/or disable internal session caching are not affected.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/008_openssl.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="007_scsi"></a>
<font color="#009000"><strong>007: RELIABILITY FIX: September 14, 2010</strong></font> <i>All architectures</i><br>
Avoid calling scsi_done() more than once in gdt(4). Fixes a kernel panic triggered by syncing disks during shut down.<br>
Clear the ITSDONE flag before issuing commands to the SCSI adapter. Fixes handling of retried SCSI commands.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/007_scsi.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="006_scsi"></a>
<font color="#009000"><strong>006: RELIABILITY FIX: July 8, 2010</strong></font> <i>All architectures</i><br>
Restore an unusual XS_SENSE semantic. Fixes dump(8)/restore(8) problems seen on certain tape drives.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/006_scsi.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="005_pfsync"></a>
<font color="#009000"><strong>005: RELIABILITY FIX: May 14, 2010</strong></font> <i>All architectures</i><br>
Incorrectly initialized state updates can cause pfsync update storms.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/005_pfsync.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="004_pfsync"></a>
<font color="#009000"><strong>004: SECURITY FIX: April 23, 2010</strong></font> <i>All architectures</i><br>
The combination of pfsync and IPSEC may crash the kernel.<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/004_pfsync.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="003_openssl"></a>
<font color="#009000"><strong>003: SECURITY FIX: April 14, 2010</strong></font> <i>All architectures</i><br>
In TLS connections, certain incorrectly formatted records can cause
an OpenSSL client or server to crash due to a read attempt at NULL.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/003_openssl.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="002_mpi"></a>
<font color="#009000"><strong>002: RELIABILITY FIX: April 4, 2010</strong></font> <i>All architectures</i><br>
When updating sensors showing the state of RAID volumes
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=mpi&sektion=4">mpi(4)</a>
allocates temporary memory and then returns it to the kernel as
device memory.
This causes kernel memory usage to be misrepresented, eventually
leading to a denial of service when a resource limit is apparently
reached.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/002_mpi.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<li><a name="001_kerberos"></a>
<font color="#009000"><strong>001: RELIABILITY FIX: March 31, 2010</strong></font> <i>All architectures</i><br>
When decrypting packets, the internal decryption functions were not
paranoid enough in checking for underruns, which could potentially
lead to crashes.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/001_kerberos.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>
<p>
</ul>
<hr>
<a href=stable.html>For OpenBSD patch branch information, please refer here.</a><br>
<br>
For errata on a certain release, click below:<br>
<a href="errata21.html">2.1</a>,
<a href="errata22.html">2.2</a>,
<a href="errata23.html">2.3</a>,
<a href="errata24.html">2.4</a>,
<a href="errata25.html">2.5</a>,
<a href="errata26.html">2.6</a>,
<a href="errata27.html">2.7</a>,
<a href="errata28.html">2.8</a>,
<a href="errata29.html">2.9</a>,
<a href="errata30.html">3.0</a>,
<a href="errata31.html">3.1</a>,
<a href="errata32.html">3.2</a>,
<a href="errata33.html">3.3</a>,
<a href="errata34.html">3.4</a>,
<a href="errata35.html">3.5</a>,
<a href="errata36.html">3.6</a>,
<br>
<a href="errata37.html">3.7</a>,
<a href="errata38.html">3.8</a>,
<a href="errata39.html">3.9</a>,
<a href="errata40.html">4.0</a>,
<a href="errata41.html">4.1</a>,
<a href="errata42.html">4.2</a>,
<a href="errata43.html">4.3</a>,
<a href="errata44.html">4.4</a>,
<a href="errata45.html">4.5</a>,
<a href="errata46.html">4.6</a>,
<a href="errata48.html">4.8</a>,
<a href="errata49.html">4.9</a>.
<br>
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