Add article 'syspatch kernel + perl'
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categories: ['Syspatch']
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date: 2021-08-11T10:34:28+02:00
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description: "Correctif OpenBSD: kernel (wg) + perl"
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draft: false
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tags: ['Syspatch','kernel','wg','perl','6.8','6.9']
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title: "Syspatch : kernel, perl (2021/08/11)"
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---
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## Correctif de fiabilité : kernel
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**Dans une configuration spécifique, wg(4) a des fuites dans les mémoires tampons mbuf.**
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- Architecture ciblée : toutes les architectures supportées par le projet.
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## Correctif de sécurité : perl
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**La fonctionnalité Encode (3p) de perl(1) charge un module dépuis un chemin relatif incorrect.**
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- Architecture ciblée : toutes les architectures supportées par le projet.
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---
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Pour toutes les architectures supportées :
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- amd64, arm64, i386 par `syspatch`
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- armv7, hppa, landisk, loongson, luna88k, macppc, sparc64 par [recompilation](#recompilation)
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---
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## Syspatch
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Cette étape ne concerne que les architectures amd64, arm64, i386 !
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```ksh
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# syspatch
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```
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Ensuite [redémarrez](#restart) la machine !
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## Recompilation
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Pour toute autre architecture prise en charge par le projet OpenBSD, voici
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les étapes de recompilation nécessaires :
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Après avoir téléchargé le correctif, vérifiez-le, et appliquez-le :
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### patch kernel
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- pour 6.9
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```ksh
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# wget https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/013_wg.patch.sig
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# signify -Vep /etc/signify/openbsd-69-base.pub -x 013_wg.patch.sig \
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-m - | (cd /usr/src && patch -p0)
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```
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- pour 6.8
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```ksh
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# wget https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/028_wg.patch.sig
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# signify -Vep /etc/signify/openbsd-68-base.pub -x 028_wg.patch.sig \
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-m - | (cd /usr/src && patch -p0)
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```
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- la phase de recompilation :
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```ksh
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$ KK=`sysctl -n kern.osversion | cut -d# -f1`
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$ cd /usr/src/sys/arch/`machine`/compile/$KK
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# make obj
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# make config
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# make
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# make install
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```
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Ensuite [redémarrez](#restart) la machine !
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### patch perl
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Ce correctif ne concerne que 6.9 !
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```ksh
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# wget https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/014_perl.patch.sig
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# signify -Vep /etc/signify/openbsd-69-base.pub -x 014_perl.patch.sig \
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-m - | (cd /usr/src && patch -p0)
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```
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- la phase de recompilation :
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```ksh
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$ cd /usr/src/gnu/usr.bin/perl/
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# make -f Makefile.bsd-wrapper obj
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# make -f Makefile.bsd-wrapper depend
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# make -f Makefile.bsd-wrapper
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# make -f Makefile.bsd-wrapper install
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```
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Voilà ! <br>
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*rien à faire de plus…*
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## Restart
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```ksh
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# reboot
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```
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---
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## Documentations
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- [man mbuf](https://man.openbsd.org/mbuf.9)(9)
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- [man perl](https://man.openbsd.org/perl.1)(1)
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Plus d'informations sur les pages d'Errata [6.9][1] et [6.8][2]… <br>
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*et leurs versions FR respectives : [6.9 FR][3] et [6.8 FR][4].*
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---
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[1]: https://openbsd.org/errata69.html
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[2]: https://openbsd.org/errata68.html
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[3]: https://wiki.openbsd.fr.eu.org/doku.php/openbsd.org/errata69
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[4]: https://wiki.openbsd.fr.eu.org/doku.php/openbsd.org/errata68
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