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===================================================================== Red Hat Security Advisory
Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2008:0055-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2008-0055.html Issue date: 2008-01-31 CVE Names: CVE-2007-4130 CVE-2007-5500 CVE-2007-6063 CVE-2007-6151 CVE-2007-6206 CVE-2007-6694 CVE-2008-0001 =====================================================================
1. Summary:
Updated kernel packages that fix several security issues and a bug in the Red Hat Enterprise Linux 4 kernel are now available.
This update has been rated as having important security impact by the Red Hat Security Response Team.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AS version 4 - i386, ia64, noarch, ppc, s390, s390x, x86_64 Red Hat Enterprise Linux Desktop version 4 - i386, noarch, x86_64 Red Hat Enterprise Linux ES version 4 - i386, ia64, noarch, x86_64 Red Hat Enterprise Linux WS version 4 - i386, ia64, noarch, x86_64
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux operating system.
These updated kernel packages fix the following security issues:
A flaw was found in the virtual filesystem (VFS). A local unprivileged user could truncate directories to which they had write permission; this could render the contents of the directory inaccessible. (CVE-2008-0001, Important)
A flaw was found in the implementation of ptrace. A local unprivileged user could trigger this flaw and possibly cause a denial of service (system hang). (CVE-2007-5500, Important)
A flaw was found in the way the Red Hat Enterprise Linux 4 kernel handled page faults when a CPU used the NUMA method for accessing memory on Itanium architectures. A local unprivileged user could trigger this flaw and cause a denial of service (system panic). (CVE-2007-4130, Important)
A possible NULL pointer dereference was found in the chrp_show_cpuinfo function when using the PowerPC architecture. This may have allowed a local unprivileged user to cause a denial of service (crash). (CVE-2007-6694, Moderate)
A flaw was found in the way core dump files were created. If a local user can get a root-owned process to dump a core file into a directory, which the user has write access to, they could gain read access to that core file. This could potentially grant unauthorized access to sensitive information. (CVE-2007-6206, Moderate)
Two buffer overflow flaws were found in the Linux kernel ISDN subsystem. A local unprivileged user could use these flaws to cause a denial of service. (CVE-2007-6063, CVE-2007-6151, Moderate)
As well, these updated packages fix the following bug:
* when moving volumes that contain multiple segments, and a mirror segment is not the first in the mapping table, running the "pvmove /dev/[device] /dev/[device]" command caused a kernel panic. A "kernel: Unable to handle kernel paging request at virtual address [address]" error was logged by syslog.
Red Hat Enterprise Linux 4 users are advised to upgrade to these updated packages, which contain backported patches to resolve these issues.
4. Solution:
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
5. Bugs fixed (http://bugzilla.redhat.com/):
179665 - CVE-2007-4130 panic caused by set_mempolicy with MPOL_BIND 382161 - CVE-2007-5500 kernel hang via userspace PTRACE+waitid 392101 - CVE-2007-6063 Linux Kernel isdn_net_setcfg buffer overflow 396751 - CVE-2007-6694 /proc/cpuinfo DoS on some ppc machines 396861 - CVE-2007-6206 Issue with core dump owner 425111 - CVE-2007-6151 I4L: fix isdn_ioctl memory issue 428637 - pvmove causes kernel panic 428791 - CVE-2008-0001 kernel: filesystem corruption by unprivileged user via directory truncation
6. Package List:
Red Hat Enterprise Linux AS version 4:
Source: kernel-2.6.9-67.0.4.EL.src.rpm
i386: kernel-2.6.9-67.0.4.EL.i686.rpm kernel-debuginfo-2.6.9-67.0.4.EL.i686.rpm kernel-devel-2.6.9-67.0.4.EL.i686.rpm kernel-hugemem-2.6.9-67.0.4.EL.i686.rpm kernel-hugemem-devel-2.6.9-67.0.4.EL.i686.rpm kernel-smp-2.6.9-67.0.4.EL.i686.rpm kernel-smp-devel-2.6.9-67.0.4.EL.i686.rpm kernel-xenU-2.6.9-67.0.4.EL.i686.rpm kernel-xenU-devel-2.6.9-67.0.4.EL.i686.rpm
ia64: kernel-2.6.9-67.0.4.EL.ia64.rpm kernel-debuginfo-2.6.9-67.0.4.EL.ia64.rpm kernel-devel-2.6.9-67.0.4.EL.ia64.rpm kernel-largesmp-2.6.9-67.0.4.EL.ia64.rpm kernel-largesmp-devel-2.6.9-67.0.4.EL.ia64.rpm
noarch: kernel-doc-2.6.9-67.0.4.EL.noarch.rpm
ppc: kernel-2.6.9-67.0.4.EL.ppc64.rpm kernel-2.6.9-67.0.4.EL.ppc64iseries.rpm kernel-debuginfo-2.6.9-67.0.4.EL.ppc64.rpm kernel-debuginfo-2.6.9-67.0.4.EL.ppc64iseries.rpm kernel-devel-2.6.9-67.0.4.EL.ppc64.rpm kernel-devel-2.6.9-67.0.4.EL.ppc64iseries.rpm kernel-largesmp-2.6.9-67.0.4.EL.ppc64.rpm kernel-largesmp-devel-2.6.9-67.0.4.EL.ppc64.rpm
s390: kernel-2.6.9-67.0.4.EL.s390.rpm kernel-debuginfo-2.6.9-67.0.4.EL.s390.rpm kernel-devel-2.6.9-67.0.4.EL.s390.rpm
s390x: kernel-2.6.9-67.0.4.EL.s390x.rpm kernel-debuginfo-2.6.9-67.0.4.EL.s390x.rpm kernel-devel-2.6.9-67.0.4.EL.s390x.rpm
x86_64: kernel-2.6.9-67.0.4.EL.x86_64.rpm kernel-debuginfo-2.6.9-67.0.4.EL.x86_64.rpm kernel-devel-2.6.9-67.0.4.EL.x86_64.rpm kernel-largesmp-2.6.9-67.0.4.EL.x86_64.rpm kernel-largesmp-devel-2.6.9-67.0.4.EL.x86_64.rpm kernel-smp-2.6.9-67.0.4.EL.x86_64.rpm kernel-smp-devel-2.6.9-67.0.4.EL.x86_64.rpm kernel-xenU-2.6.9-67.0.4.EL.x86_64.rpm kernel-xenU-devel-2.6.9-67.0.4.EL.x86_64.rpm
Red Hat Enterprise Linux Desktop version 4:
Source: kernel-2.6.9-67.0.4.EL.src.rpm
i386: kernel-2.6.9-67.0.4.EL.i686.rpm kernel-debuginfo-2.6.9-67.0.4.EL.i686.rpm kernel-devel-2.6.9-67.0.4.EL.i686.rpm kernel-hugemem-2.6.9-67.0.4.EL.i686.rpm kernel-hugemem-devel-2.6.9-67.0.4.EL.i686.rpm kernel-smp-2.6.9-67.0.4.EL.i686.rpm kernel-smp-devel-2.6.9-67.0.4.EL.i686.rpm kernel-xenU-2.6.9-67.0.4.EL.i686.rpm kernel-xenU-devel-2.6.9-67.0.4.EL.i686.rpm
noarch: kernel-doc-2.6.9-67.0.4.EL.noarch.rpm
x86_64: kernel-2.6.9-67.0.4.EL.x86_64.rpm kernel-debuginfo-2.6.9-67.0.4.EL.x86_64.rpm kernel-devel-2.6.9-67.0.4.EL.x86_64.rpm kernel-largesmp-2.6.9-67.0.4.EL.x86_64.rpm kernel-largesmp-devel-2.6.9-67.0.4.EL.x86_64.rpm kernel-smp-2.6.9-67.0.4.EL.x86_64.rpm kernel-smp-devel-2.6.9-67.0.4.EL.x86_64.rpm kernel-xenU-2.6.9-67.0.4.EL.x86_64.rpm kernel-xenU-devel-2.6.9-67.0.4.EL.x86_64.rpm
Red Hat Enterprise Linux ES version 4:
Source: kernel-2.6.9-67.0.4.EL.src.rpm
i386: kernel-2.6.9-67.0.4.EL.i686.rpm kernel-debuginfo-2.6.9-67.0.4.EL.i686.rpm kernel-devel-2.6.9-67.0.4.EL.i686.rpm kernel-hugemem-2.6.9-67.0.4.EL.i686.rpm kernel-hugemem-devel-2.6.9-67.0.4.EL.i686.rpm kernel-smp-2.6.9-67.0.4.EL.i686.rpm kernel-smp-devel-2.6.9-67.0.4.EL.i686.rpm kernel-xenU-2.6.9-67.0.4.EL.i686.rpm kernel-xenU-devel-2.6.9-67.0.4.EL.i686.rpm
ia64: kernel-2.6.9-67.0.4.EL.ia64.rpm kernel-debuginfo-2.6.9-67.0.4.EL.ia64.rpm kernel-devel-2.6.9-67.0.4.EL.ia64.rpm kernel-largesmp-2.6.9-67.0.4.EL.ia64.rpm kernel-largesmp-devel-2.6.9-67.0.4.EL.ia64.rpm
noarch: kernel-doc-2.6.9-67.0.4.EL.noarch.rpm
x86_64: kernel-2.6.9-67.0.4.EL.x86_64.rpm kernel-debuginfo-2.6.9-67.0.4.EL.x86_64.rpm kernel-devel-2.6.9-67.0.4.EL.x86_64.rpm kernel-largesmp-2.6.9-67.0.4.EL.x86_64.rpm kernel-largesmp-devel-2.6.9-67.0.4.EL.x86_64.rpm kernel-smp-2.6.9-67.0.4.EL.x86_64.rpm kernel-smp-devel-2.6.9-67.0.4.EL.x86_64.rpm kernel-xenU-2.6.9-67.0.4.EL.x86_64.rpm kernel-xenU-devel-2.6.9-67.0.4.EL.x86_64.rpm
Red Hat Enterprise Linux WS version 4:
Source: kernel-2.6.9-67.0.4.EL.src.rpm
i386: kernel-2.6.9-67.0.4.EL.i686.rpm kernel-debuginfo-2.6.9-67.0.4.EL.i686.rpm kernel-devel-2.6.9-67.0.4.EL.i686.rpm kernel-hugemem-2.6.9-67.0.4.EL.i686.rpm kernel-hugemem-devel-2.6.9-67.0.4.EL.i686.rpm kernel-smp-2.6.9-67.0.4.EL.i686.rpm kernel-smp-devel-2.6.9-67.0.4.EL.i686.rpm kernel-xenU-2.6.9-67.0.4.EL.i686.rpm kernel-xenU-devel-2.6.9-67.0.4.EL.i686.rpm
ia64: kernel-2.6.9-67.0.4.EL.ia64.rpm kernel-debuginfo-2.6.9-67.0.4.EL.ia64.rpm kernel-devel-2.6.9-67.0.4.EL.ia64.rpm kernel-largesmp-2.6.9-67.0.4.EL.ia64.rpm kernel-largesmp-devel-2.6.9-67.0.4.EL.ia64.rpm
noarch: kernel-doc-2.6.9-67.0.4.EL.noarch.rpm
x86_64: kernel-2.6.9-67.0.4.EL.x86_64.rpm kernel-debuginfo-2.6.9-67.0.4.EL.x86_64.rpm kernel-devel-2.6.9-67.0.4.EL.x86_64.rpm kernel-largesmp-2.6.9-67.0.4.EL.x86_64.rpm kernel-largesmp-devel-2.6.9-67.0.4.EL.x86_64.rpm kernel-smp-2.6.9-67.0.4.EL.x86_64.rpm kernel-smp-devel-2.6.9-67.0.4.EL.x86_64.rpm kernel-xenU-2.6.9-67.0.4.EL.x86_64.rpm kernel-xenU-devel-2.6.9-67.0.4.EL.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://www.redhat.com/security/team/key/#package
7. References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4130 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5500 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6063 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6151 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6206 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6694 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0001 http://www.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://www.redhat.com/security/team/contact/
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