Bulletin d'alerte Debian

DSA-1111-2 kernel-source-2.6.8 -- Condition de concurrence

Date du rapport :
26 juillet 2006
Paquets concernés :
kernel-source-2.6.8
Vulnérabilité :
Oui
Références dans la base de données de sécurité :
Dans le dictionnaire CVE du Mitre : CVE-2006-3626.
Plus de précisions :

Une condition de concurrence dans la gestion du système de fichiers des processus (« /proc ») permettait d'usurper des droits.

Le tableau suivant explique quelle version du noyau corrige le problème mentionné ci-dessus pour différentes architectures :

Debian 3.1 (Sarge)
Source 2.6.8-16sarge4
Architecture Alpha 2.6.8-16sarge4
Architecture AMD64 2.6.8-16sarge4
Architecture Intel IA-322.6.8-16sarge4
Architecture Intel IA-642.6.8-14sarge4
Architecture PowerPC 2.6.8-12sarge4
Architecture Sun Sparc 2.6.8-15sarge4
Architecture IBM S/390 2.6.8-5sarge4
Architecture Motorola 680x0 2.6.8-4sarge4
Architecture HP Precision 2.6.8-6sarge3
FAI 1.9.1sarge3

Étant donné qu'une méthode d'exploitation de la faille était dans la nature, ce bulletin a été envoyé avant que des correctifs aient été construits pour IBM S/390, Motorola 680x0 et HP Precision. Ils seront publiés dans un autre bulletin dès leur disponibilité. D'autre part, les noyaux de l'installateur FAI n'ont pas encore été mis à jour. Pour contourner ce problème, nous vous recommandons de monter /proc avec les options nosuid et noexec.

Les mises à jour pour les architectures IBM S/390, Motorola 680x0 et HP Precision n'étaient pas disponibles lors de la parution du bulletin initial. Ces mises à jour ainsi que celles des noyaux de l'installateur FAI sont désormais disponibles.

Nous vous recommandons de mettre à jour votre paquet de noyau immédiatement et de redémarrer la machine. Si vous avez construit une noyau personnalisé avec le paquet des sources du noyau, vous devez le reconstruire pour tirer parti de ces corrections.

Corrigé dans :

Debian GNU/Linux 3.1 (sarge)

Source :
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-alpha/kernel-image-2.6.8-alpha_2.6.8-16sarge4.dsc
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-alpha/kernel-image-2.6.8-alpha_2.6.8-16sarge4.tar.gz
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-image-2.6.8-amd64_2.6.8-16sarge4.dsc
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-image-2.6.8-amd64_2.6.8-16sarge4.tar.gz
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-ia64/kernel-image-2.6.8-ia64_2.6.8-14sarge4.dsc
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-ia64/kernel-image-2.6.8-ia64_2.6.8-14sarge4.tar.gz
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-i386/kernel-image-2.6.8-i386_2.6.8-16sarge4.dsc
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-i386/kernel-image-2.6.8-i386_2.6.8-16sarge4.tar.gz
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-sparc/kernel-image-2.6.8-sparc_2.6.8-15sarge4.dsc
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-sparc/kernel-image-2.6.8-sparc_2.6.8-15sarge4.tar.gz
http://security.debian.org/pool/updates/main/k/kernel-source-2.6.8/kernel-source-2.6.8_2.6.8-16sarge4.dsc
http://security.debian.org/pool/updates/main/k/kernel-source-2.6.8/kernel-source-2.6.8_2.6.8-16sarge4.diff.gz
http://security.debian.org/pool/updates/main/k/kernel-source-2.6.8/kernel-source-2.6.8_2.6.8.orig.tar.gz
http://security.debian.org/pool/updates/main/k/kernel-patch-powerpc-2.6.8/kernel-patch-powerpc-2.6.8_2.6.8-12sarge4.dsc
http://security.debian.org/pool/updates/main/k/kernel-patch-powerpc-2.6.8/kernel-patch-powerpc-2.6.8_2.6.8-12sarge4.tar.gz
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-hppa/kernel-image-2.6.8-hppa_2.6.8-6sarge3.dsc
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-hppa/kernel-image-2.6.8-hppa_2.6.8-6sarge3.tar.gz
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-s390/kernel-image-2.6.8-s390_2.6.8-5sarge4.dsc
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-s390/kernel-image-2.6.8-s390_2.6.8-5sarge4.tar.gz
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-image-2.6.8-amd64_2.6.8-16sarge4.dsc
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-image-2.6.8-amd64_2.6.8-16sarge4.tar.gz
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-m68k/kernel-image-2.6.8-m68k_2.6.8-4sarge4.dsc
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-m68k/kernel-image-2.6.8-m68k_2.6.8-4sarge4.tar.gz
http://security.debian.org/pool/updates/main/f/fai-kernels/fai-kernels_1.9.1sarge3.dsc
http://security.debian.org/pool/updates/main/f/fai-kernels/fai-kernels_1.9.1sarge3.tar.gz
Composant indépendant de l'architecture :
http://security.debian.org/pool/updates/main/k/kernel-source-2.6.8/kernel-doc-2.6.8_2.6.8-16sarge4_all.deb
http://security.debian.org/pool/updates/main/k/kernel-source-2.6.8/kernel-patch-debian-2.6.8_2.6.8-16sarge4_all.deb
http://security.debian.org/pool/updates/main/k/kernel-source-2.6.8/kernel-source-2.6.8_2.6.8-16sarge4_all.deb
http://security.debian.org/pool/updates/main/k/kernel-source-2.6.8/kernel-tree-2.6.8_2.6.8-16sarge4_all.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-s390/kernel-patch-2.6.8-s390_2.6.8-5sarge4_all.deb
Alpha:
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-alpha/kernel-headers-2.6.8-3_2.6.8-16sarge4_alpha.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-alpha/kernel-headers-2.6.8-3-generic_2.6.8-16sarge4_alpha.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-alpha/kernel-headers-2.6.8-3-smp_2.6.8-16sarge4_alpha.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-alpha/kernel-image-2.6.8-3-generic_2.6.8-16sarge4_alpha.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-alpha/kernel-image-2.6.8-3-smp_2.6.8-16sarge4_alpha.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-headers-2.6.8-12_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-headers-2.6.8-12-amd64-generic_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-headers-2.6.8-12-amd64-k8_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-headers-2.6.8-12-amd64-k8-smp_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-headers-2.6.8-12-em64t-p4_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-headers-2.6.8-12-em64t-p4-smp_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-image-2.6.8-12-amd64-generic_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-image-2.6.8-12-amd64-k8_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-image-2.6.8-12-amd64-k8-smp_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-image-2.6.8-12-em64t-p4_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-image-2.6.8-12-em64t-p4-smp_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-i386/kernel-headers-2.6.8-3_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-i386/kernel-headers-2.6.8-3-386_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-i386/kernel-headers-2.6.8-3-686_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-i386/kernel-headers-2.6.8-3-686-smp_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-i386/kernel-headers-2.6.8-3-k7_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-i386/kernel-headers-2.6.8-3-k7-smp_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-i386/kernel-image-2.6.8-3-386_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-i386/kernel-image-2.6.8-3-686_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-i386/kernel-image-2.6.8-3-686-smp_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-i386/kernel-image-2.6.8-3-k7_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-i386/kernel-image-2.6.8-3-k7-smp_2.6.8-16sarge4_i386.deb
http://security.debian.org/pool/updates/main/f/fai-kernels/fai-kernels_1.9.1sarge3_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-ia64/kernel-headers-2.6-itanium_2.6.8-14sarge4_ia64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-ia64/kernel-headers-2.6-itanium-smp_2.6.8-14sarge4_ia64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-ia64/kernel-headers-2.6-mckinley_2.6.8-14sarge4_ia64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-ia64/kernel-headers-2.6-mckinley-smp_2.6.8-14sarge4_ia64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-ia64/kernel-headers-2.6.8-3_2.6.8-14sarge4_ia64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-ia64/kernel-headers-2.6.8-3-itanium_2.6.8-14sarge4_ia64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-ia64/kernel-headers-2.6.8-3-itanium-smp_2.6.8-14sarge4_ia64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-ia64/kernel-headers-2.6.8-3-mckinley_2.6.8-14sarge4_ia64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-ia64/kernel-headers-2.6.8-3-mckinley-smp_2.6.8-14sarge4_ia64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-ia64/kernel-image-2.6-itanium_2.6.8-14sarge4_ia64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-ia64/kernel-image-2.6-itanium-smp_2.6.8-14sarge4_ia64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-ia64/kernel-image-2.6-mckinley_2.6.8-14sarge4_ia64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-ia64/kernel-image-2.6-mckinley-smp_2.6.8-14sarge4_ia64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-ia64/kernel-image-2.6.8-3-itanium_2.6.8-14sarge4_ia64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-ia64/kernel-image-2.6.8-3-itanium-smp_2.6.8-14sarge4_ia64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-ia64/kernel-image-2.6.8-3-mckinley_2.6.8-14sarge4_ia64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-ia64/kernel-image-2.6.8-3-mckinley-smp_2.6.8-14sarge4_ia64.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-sparc/kernel-build-2.6.8-3_2.6.8-15sarge4_sparc.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-sparc/kernel-headers-2.6.8-3_2.6.8-15sarge4_sparc.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-sparc/kernel-headers-2.6.8-3-sparc32_2.6.8-15sarge4_sparc.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-sparc/kernel-headers-2.6.8-3-sparc64_2.6.8-15sarge4_sparc.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-sparc/kernel-headers-2.6.8-3-sparc64-smp_2.6.8-15sarge4_sparc.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-sparc/kernel-image-2.6.8-3-sparc32_2.6.8-15sarge4_sparc.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-sparc/kernel-image-2.6.8-3-sparc64_2.6.8-15sarge4_sparc.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-sparc/kernel-image-2.6.8-3-sparc64-smp_2.6.8-15sarge4_sparc.deb
PowerPC:
http://security.debian.org/pool/updates/main/k/kernel-patch-powerpc-2.6.8/kernel-build-2.6.8-3-power3_2.6.8-12sarge4_powerpc.deb
http://security.debian.org/pool/updates/main/k/kernel-patch-powerpc-2.6.8/kernel-build-2.6.8-3-power3-smp_2.6.8-12sarge4_powerpc.deb
http://security.debian.org/pool/updates/main/k/kernel-patch-powerpc-2.6.8/kernel-build-2.6.8-3-power4_2.6.8-12sarge4_powerpc.deb
http://security.debian.org/pool/updates/main/k/kernel-patch-powerpc-2.6.8/kernel-build-2.6.8-3-power4-smp_2.6.8-12sarge4_powerpc.deb
http://security.debian.org/pool/updates/main/k/kernel-patch-powerpc-2.6.8/kernel-build-2.6.8-3-powerpc_2.6.8-12sarge4_powerpc.deb
http://security.debian.org/pool/updates/main/k/kernel-patch-powerpc-2.6.8/kernel-build-2.6.8-3-powerpc-smp_2.6.8-12sarge4_powerpc.deb
http://security.debian.org/pool/updates/main/k/kernel-patch-powerpc-2.6.8/kernel-headers-2.6.8-3_2.6.8-12sarge4_powerpc.deb
http://security.debian.org/pool/updates/main/k/kernel-patch-powerpc-2.6.8/kernel-image-2.6.8-3-power3_2.6.8-12sarge4_powerpc.deb
http://security.debian.org/pool/updates/main/k/kernel-patch-powerpc-2.6.8/kernel-image-2.6.8-3-power3-smp_2.6.8-12sarge4_powerpc.deb
http://security.debian.org/pool/updates/main/k/kernel-patch-powerpc-2.6.8/kernel-image-2.6.8-3-power4_2.6.8-12sarge4_powerpc.deb
http://security.debian.org/pool/updates/main/k/kernel-patch-powerpc-2.6.8/kernel-image-2.6.8-3-power4-smp_2.6.8-12sarge4_powerpc.deb
http://security.debian.org/pool/updates/main/k/kernel-patch-powerpc-2.6.8/kernel-image-2.6.8-3-powerpc_2.6.8-12sarge4_powerpc.deb
http://security.debian.org/pool/updates/main/k/kernel-patch-powerpc-2.6.8/kernel-image-2.6.8-3-powerpc-smp_2.6.8-12sarge4_powerpc.deb
HPPA:
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-hppa/kernel-headers-2.6.8-3_2.6.8-6sarge3_hppa.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-hppa/kernel-headers-2.6.8-3-32_2.6.8-6sarge3_hppa.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-hppa/kernel-headers-2.6.8-3-32-smp_2.6.8-6sarge3_hppa.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-hppa/kernel-headers-2.6.8-3-64_2.6.8-6sarge3_hppa.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-hppa/kernel-headers-2.6.8-3-64-smp_2.6.8-6sarge3_hppa.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-hppa/kernel-image-2.6.8-3-32_2.6.8-6sarge3_hppa.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-hppa/kernel-image-2.6.8-3-32-smp_2.6.8-6sarge3_hppa.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-hppa/kernel-image-2.6.8-3-64_2.6.8-6sarge3_hppa.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-hppa/kernel-image-2.6.8-3-64-smp_2.6.8-6sarge3_hppa.deb
IBM S/390:
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-s390/kernel-headers-2.6.8-3_2.6.8-5sarge4_s390.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-s390/kernel-image-2.6.8-3-s390_2.6.8-5sarge4_s390.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-s390/kernel-image-2.6.8-3-s390-tape_2.6.8-5sarge4_s390.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-s390/kernel-image-2.6.8-3-s390x_2.6.8-5sarge4_s390.deb
AMD64:
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-headers-2.6.8-12_2.6.8-16sarge4_amd64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-headers-2.6.8-12-amd64-generic_2.6.8-16sarge4_amd64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-headers-2.6.8-12-amd64-k8_2.6.8-16sarge4_amd64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-headers-2.6.8-12-amd64-k8-smp_2.6.8-16sarge4_amd64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-headers-2.6.8-12-em64t-p4_2.6.8-16sarge4_amd64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-headers-2.6.8-12-em64t-p4-smp_2.6.8-16sarge4_amd64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-image-2.6.8-12-amd64-generic_2.6.8-16sarge4_amd64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-image-2.6.8-12-amd64-k8_2.6.8-16sarge4_amd64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-image-2.6.8-12-amd64-k8-smp_2.6.8-16sarge4_amd64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-image-2.6.8-12-em64t-p4_2.6.8-16sarge4_amd64.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-amd64/kernel-image-2.6.8-12-em64t-p4-smp_2.6.8-16sarge4_amd64.deb
Motorola 680x0:
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-m68k/kernel-image-2.6.8-amiga_2.6.8-4sarge4_m68k.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-m68k/kernel-image-2.6.8-atari_2.6.8-4sarge4_m68k.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-m68k/kernel-image-2.6.8-bvme6000_2.6.8-4sarge4_m68k.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-m68k/kernel-image-2.6.8-hp_2.6.8-4sarge4_m68k.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-m68k/kernel-image-2.6.8-mac_2.6.8-4sarge4_m68k.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-m68k/kernel-image-2.6.8-mvme147_2.6.8-4sarge4_m68k.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-m68k/kernel-image-2.6.8-mvme16x_2.6.8-4sarge4_m68k.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-m68k/kernel-image-2.6.8-q40_2.6.8-4sarge4_m68k.deb
http://security.debian.org/pool/updates/main/k/kernel-image-2.6.8-m68k/kernel-image-2.6.8-sun3_2.6.8-4sarge4_m68k.deb

Les sommes MD5 des fichiers indiqués sont disponibles sur la page originale de l'alerte de sécurité.

Les sommes MD5 des fichiers indiqués sont disponibles dans la nouvelle annonce de sécurité.