概要

Important: kernel security and bug fix update

タイプ/重大度

Security Advisory: Important

トピック

Updated kernel packages that fix security issues and bugs in the Red Hat
Enterprise Linux 5 kernel are now available.

This update has been rated as having important security impact by the Red
Hat Security Response Team.

説明

The Linux kernel handles the basic functions of the operating system.

These new kernel packages contain fixes for the following security issues:

• a flaw in the handling of IPv6 type 0 routing headers that allowed remote
  users to cause a denial of service that led to a network amplification
  between two routers (CVE-2007-2242, Important).
  
• a flaw in the nfnetlink_log netfilter module that allowed a local user to
  cause a denial of service (CVE-2007-1496, Important).
  
• a flaw in the flow list of listening IPv6 sockets that allowed a local
  user to cause a denial of service (CVE-2007-1592, Important).
  
• a flaw in the handling of netlink messages that allowed a local user to
  cause a denial of service (infinite recursion) (CVE-2007-1861, Important).
  
• a flaw in the IPv4 forwarding base that allowed a local user to cause an
  out-of-bounds access (CVE-2007-2172, Important).
  
• a flaw in the nf_conntrack netfilter module for IPv6 that allowed remote
  users to bypass certain netfilter rules using IPv6 fragments
  (CVE-2007-1497, Moderate).
  

In addition to the security issues described above, fixes for the following
have been included:

• a regression in ipv6 routing.
  
• an error in memory initialization that caused gdb to output inaccurate
  backtraces on ia64.
  
• the nmi watchdog timeout was updated from 5 to 30 seconds.
  
• a flaw in distributed lock management that could result in errors during
  virtual machine migration.
  
• an omitted include in kernel-headers that led to compile failures for
  some packages.
  

Red Hat Enterprise Linux 5 users are advised to upgrade to these packages,
which contain backported patches to correct these issues.

解決法

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.

This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/FAQ_58_10188

影響を受ける製品

• Red Hat Enterprise Linux Server 5 x86_64
• Red Hat Enterprise Linux Server 5 ia64
• Red Hat Enterprise Linux Server 5 i386
• Red Hat Enterprise Linux Workstation 5 x86_64
• Red Hat Enterprise Linux Workstation 5 i386
• Red Hat Enterprise Linux Desktop 5 x86_64
• Red Hat Enterprise Linux Desktop 5 i386
• Red Hat Enterprise Linux for IBM z Systems 5 s390x
• Red Hat Enterprise Linux for Power, big endian 5 ppc
• Red Hat Enterprise Linux Server from RHUI 5 x86_64
• Red Hat Enterprise Linux Server from RHUI 5 i386

修正

• BZ - 238046 - oops and panics bringing up/down interfaces on 128p Altix, 8 interfaces
• BZ - 238731 - dlm locking error from gfs dio/aio during virt machine migration
• BZ - 238749 - The patch "xen: Add PACKET_AUXDATA cmsg" cause /usr/include/linux/if_packet.h broken
• BZ - 238944 - CVE-2007-1592 IPv6 oops triggerable by any user
• BZ - 238946 - CVE-2007-1496 Various NULL pointer dereferences in netfilter code
• BZ - 238947 - CVE-2007-1497 IPv6 fragments bypass in nf_conntrack netfilter code
• BZ - 238948 - CVE-2007-2172 fib_semantics.c out of bounds access vulnerability
• BZ - 238949 - CVE-2007-2242 IPv6 routing headers issue
• BZ - 238960 - CVE-2007-1861 infinite recursion in netlink

CVE

• CVE-2007-1496
• CVE-2007-1497
• CVE-2007-1861
• CVE-2007-2242
• CVE-2007-2172
• CVE-2007-1592

参考資料

• http://www.redhat.com/security/updates/classification/#important

Red Hat Enterprise Linux Server 5

SRPM
x86_64
kernel-doc-2.6.18-8.1.4.el5.noarch.rpm	SHA-256: 2116807a176e81a3049f9441b1c1f82fd6981eb62f4283fca604d63fbdbb5644
ia64
kernel-2.6.18-8.1.4.el5.ia64.rpm	SHA-256: f9ecb9269b775f55617bf50aee42740566cc082c453f06ed0a4a6a0ce6a9a5b0
kernel-devel-2.6.18-8.1.4.el5.ia64.rpm	SHA-256: a32a4d91954cc363bda4e4b59cdc342c40e62f41802b03c1e16acccc3eb24c23
kernel-doc-2.6.18-8.1.4.el5.noarch.rpm	SHA-256: 2116807a176e81a3049f9441b1c1f82fd6981eb62f4283fca604d63fbdbb5644
kernel-headers-2.6.18-8.1.4.el5.ia64.rpm	SHA-256: 6275ac1f1164b4ebbbca61b56a6ce6d7af75ddf6a96dc5d3a56f55101ec36689
kernel-xen-2.6.18-8.1.4.el5.ia64.rpm	SHA-256: 6e16e9ba7e203b4441d1a8ef353a19fb84b426031c46397d01510f3e1798f61a
kernel-xen-devel-2.6.18-8.1.4.el5.ia64.rpm	SHA-256: b0c4d602571889ca9b20edab7c3783f65711e99c0bdf28fe79ccb20d96b13824
i386
kernel-doc-2.6.18-8.1.4.el5.noarch.rpm	SHA-256: 2116807a176e81a3049f9441b1c1f82fd6981eb62f4283fca604d63fbdbb5644

Red Hat Enterprise Linux Workstation 5

SRPM
x86_64
kernel-doc-2.6.18-8.1.4.el5.noarch.rpm	SHA-256: 2116807a176e81a3049f9441b1c1f82fd6981eb62f4283fca604d63fbdbb5644
i386
kernel-doc-2.6.18-8.1.4.el5.noarch.rpm	SHA-256: 2116807a176e81a3049f9441b1c1f82fd6981eb62f4283fca604d63fbdbb5644

Red Hat Enterprise Linux Desktop 5

SRPM
x86_64
kernel-doc-2.6.18-8.1.4.el5.noarch.rpm	SHA-256: 2116807a176e81a3049f9441b1c1f82fd6981eb62f4283fca604d63fbdbb5644
i386
kernel-doc-2.6.18-8.1.4.el5.noarch.rpm	SHA-256: 2116807a176e81a3049f9441b1c1f82fd6981eb62f4283fca604d63fbdbb5644

Red Hat Enterprise Linux for IBM z Systems 5

SRPM
s390x
kernel-doc-2.6.18-8.1.4.el5.noarch.rpm	SHA-256: 2116807a176e81a3049f9441b1c1f82fd6981eb62f4283fca604d63fbdbb5644

Red Hat Enterprise Linux for Power, big endian 5

SRPM
ppc
kernel-doc-2.6.18-8.1.4.el5.noarch.rpm	SHA-256: 2116807a176e81a3049f9441b1c1f82fd6981eb62f4283fca604d63fbdbb5644

Red Hat Enterprise Linux Server from RHUI 5

SRPM
x86_64
kernel-doc-2.6.18-8.1.4.el5.noarch.rpm	SHA-256: 2116807a176e81a3049f9441b1c1f82fd6981eb62f4283fca604d63fbdbb5644
i386
kernel-doc-2.6.18-8.1.4.el5.noarch.rpm	SHA-256: 2116807a176e81a3049f9441b1c1f82fd6981eb62f4283fca604d63fbdbb5644