int(2933)

Vulnerability Bulletins


Multiples vulnerabilidades en el kernel de Linux

Vulnerability classification

Property Value
Confidence level Oficial
Impact Denegación de Servicio
Dificulty Experto
Required attacker level Acceso remoto sin cuenta a un servicio exotico

System information

Property Value
Affected manufacturer GNU/Linux
Affected software Linux kernel 2.6

Description

Se han descubierto múltiples vulnerabilidades en el kernel de Linux 2.6. Las vulnerabilidades son descritas a continuación.

- CVE-2006-5158: Se ha descubierto una vulnerabilidad en el kernel 2.6 hasta la versión 2.6.16. La vulnerabilidad reside en un error en NFS lockd. Un atacante remoto podría causar una denegación de servicio y negar el acceso a NFS mediante métodos que provocarían un abrazo mortal al kernel.

- CVE-2006-5749: Se ha descubierto una vulnerabilidad en el kernel 2.6. La vulnerabilidad reside en que no se produce una llamada a la función "init_timer()" en el código de isdn_ppp del kernel Linux. Un atacante remoto podría enviar un paquete PPP especialmente construido que provocaría una caída del kernel.

Solution



Actualización de software

Mandriva

Mandriva Linux 2006
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/kernel-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/kernel-BOOT-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/kernel-doc-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/kernel-i586-up-1GB-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/kernel-i686-up-4GB-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/kernel-smp-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/kernel-source-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/kernel-source-stripped-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/kernel-xbox-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/kernel-xen0-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/kernel-xenU-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/kernel-2.6.12.29mdk-1-1mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/kernel-2.6.12.29mdk-1-1mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/kernel-BOOT-2.6.12.29mdk-1-1mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/kernel-doc-2.6.12.29mdk-1-1mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/kernel-smp-2.6.12.29mdk-1-1mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/kernel-source-2.6.12.29mdk-1-1mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/kernel-source-stripped-2.6.12.29mdk-1-1mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/kernel-xen0-2.6.12.29mdk-1-1mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/kernel-xenU-2.6.12.29mdk-1-1mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/kernel-2.6.12.29mdk-1-1mdk.src.rpm

Corporate Server 4.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/kernel-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/kernel-BOOT-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/kernel-doc-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/kernel-i586-up-1GB-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/kernel-i686-up-4GB-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/kernel-smp-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/kernel-source-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/kernel-source-stripped-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/kernel-xbox-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/kernel-xen0-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/kernel-xenU-2.6.12.29mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/kernel-2.6.12.29mdk-1-1mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/kernel-2.6.12.29mdk-1-1mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/kernel-BOOT-2.6.12.29mdk-1-1mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/kernel-doc-2.6.12.29mdk-1-1mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/kernel-smp-2.6.12.29mdk-1-1mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/kernel-source-2.6.12.29mdk-1-1mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/kernel-source-stripped-2.6.12.29mdk-1-1mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/kernel-xen0-2.6.12.29mdk-1-1mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/kernel-xenU-2.6.12.29mdk-1-1mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/kernel-2.6.12.29mdk-1-1mdk.src.rpm

Mandriva (MDKSA-2007:025)

Corporate Server 3.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/kernel-2.6.3.36mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/kernel-BOOT-2.6.3.36mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/kernel-doc-2.6.3-36mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/kernel-enterprise-2.6.3.36mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/kernel-i686-up-4GB-2.6.3.36mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/kernel-p3-smp-64GB-2.6.3.36mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/kernel-secure-2.6.3.36mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/kernel-smp-2.6.3.36mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/kernel-source-2.6.3-36mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/kernel-source-stripped-2.6.3-36mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/kernel-2.6.3.36mdk-1-1mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/kernel-2.6.3.36mdk-1-1mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/kernel-BOOT-2.6.3.36mdk-1-1mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/kernel-doc-2.6.3-36mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/kernel-secure-2.6.3.36mdk-1-1mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/kernel-smp-2.6.3.36mdk-1-1mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/kernel-source-2.6.3-36mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/kernel-source-stripped-2.6.3-36mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/kernel-2.6.3.36mdk-1-1mdk.src.rpm

Multi Network Firewall 2.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/i586/kernel-2.6.3.36mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/i586/kernel-i686-up-4GB-2.6.3.36mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/i586/kernel-p3-smp-64GB-2.6.3.36mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/i586/kernel-secure-2.6.3.36mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/i586/kernel-smp-2.6.3.36mdk-1-1mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/SRPMS/kernel-2.6.3.36mdk-1-1mdk.src.rpm

Mandriva (MDKSA-2007:040)

Mandriva Linux 2007
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/kernel-2.6.17.10mdv-1-1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/kernel-doc-2.6.17.10mdv-1-1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/kernel-enterprise-2.6.17.10mdv-1-1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/kernel-legacy-2.6.17.10mdv-1-1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/kernel-source-2.6.17.10mdv-1-1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/kernel-source-stripped-2.6.17.10mdv-1-1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/kernel-xen0-2.6.17.10mdv-1-1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/kernel-xenU-2.6.17.10mdv-1-1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/kernel-2.6.17.10mdv-1-1mdv2007.0.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/kernel-2.6.17.10mdv-1-1mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/kernel-doc-2.6.17.10mdv-1-1mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/kernel-source-2.6.17.10mdv-1-1mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/kernel-source-stripped-2.6.17.10mdv-1-1mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/kernel-xen0-2.6.17.10mdv-1-1mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/kernel-xenU-2.6.17.10mdv-1-1mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/kernel-2.6.17.10mdv-1-1mdv2007.0.src.rpm

Suse Linux
Las actualizaciones pueden descargarse mediante YAST o del servidor FTP oficial de Suse Linux

Red Hat (RHSA-2007:0488-2)
Red Hat Desktop (v. 4)
Red Hat Enterprise Linux AS (v. 4)
Red Hat Enterprise Linux ES (v. 4)
Red Hat Enterprise Linux WS (v. 4)
https://rhn.redhat.com/

Standar resources

Property Value
CVE CVE-2006-5158
CVE-2006-5749
BID 21883
21835

Other resources

Mandriva Security Advisory (MDKSA-2007:012)
http://www.mandriva.com/security/advisories?name=MDKSA-2007:012

Mandriva Security Advisory (MDKSA-2007:025)
http://www.mandriva.com/security/advisories?name=MDKSA-2007:025

Mandriva Security Advisory (MDKSA-2007:040)
http://www.mandriva.com/security/advisories?name=MDKSA-2007:040

SUSE Security Advisory (SUSE-SA:2007:018)
http://www.novell.com/linux/security/advisories/2007_18_kernel.html

SUSE Security Advisory (SUSE-SA:2007:021)
http://www.novell.com/linux/security/advisories/2007_21_kernel.html

SUSE Security Advisory ( SUSE-SA:2007:030)
http://www.novell.com/linux/security/advisories/2007_30_kernel.html

SUSE Security Advisory (SUSE-SA:2007:035)
http://www.novell.com/linux/security/advisories/2007_35_kernel.html

Red Hat Security Advisory (RHSA-2007:0488-2)
https://rhn.redhat.com/errata/RHSA-2007-0488.html

Version history

Version Comments Date
1.0 Aviso emitido 2007-01-15
1.1 Aviso emitido por Mandriva (MDKSA-2007:025) 2007-01-25
1.2 Aviso emitido por Mandriva (MDKSA-2007:040) 2007-02-08
1.3 Aviso emitido por Suse (SUSE-SA:2007:018) 2007-03-05
1.4 Aviso emitido por Suse (SUSE-SA:2007:021) 2007-03-20
1.5 Aviso emitido por Suse (SUSE-SA:2007:030) 2007-05-15
1.6 Aviso emitido por Suse (SUSE-SA:2007:035) 2007-06-19
1.7 Aviso emitido por Red Hat (RHSA-2007:0488-2) 2007-06-26
Ministerio de Defensa
CNI
CCN
CCN-CERT