RedHat: Important: kernel security and bug fix update RHSA-2008:0508-01
Summary
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
These updated packages fix the following security issues:
* A security flaw was found in the Linux kernel memory copy routines, when
running on certain AMD64 systems. If an unsuccessful attempt to copy kernel
memory from source to destination memory locations occurred, the copy
routines did not zero the content at the destination memory location. This
could allow a local unprivileged user to view potentially sensitive data.
(CVE-2008-2729, Important)
* Alexey Dobriyan discovered a race condition in the Linux kernel
process-tracing system call, ptrace. A local unprivileged user could
use this flaw to cause a denial of service (kernel hang).
(CVE-2008-2365, Important)
* Tavis Ormandy discovered a deficiency in the Linux kernel 32-bit and
64-bit emulation. This could allow a local unprivileged user to prepare and
run a specially crafted binary, which would use this deficiency to leak
uninitialized and potentially sensitive data. (CVE-2008-0598, Important)
* It was discovered that the Linux kernel handled string operations in the
opposite way to the GNU Compiler Collection (GCC). This could allow a local
unprivileged user to cause memory corruption. (CVE-2008-1367, Low)
As well, these updated packages fix the following bug:
* On systems with a large number of CPUs (more than 16), multiple
applications calling the "times()" system call may have caused a system
hang.
Red Hat Enterprise Linux 4 users are advised to upgrade to these updated
packages, which contain backported patches to resolve these issues.
Summary
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
References
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0598 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1367 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2365 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2729 http://www.redhat.com/security/updates/classification/#important
Package List
Red Hat Enterprise Linux AS version 4:
Source:
i386:
kernel-2.6.9-67.0.20.EL.i686.rpm
kernel-debuginfo-2.6.9-67.0.20.EL.i686.rpm
kernel-devel-2.6.9-67.0.20.EL.i686.rpm
kernel-hugemem-2.6.9-67.0.20.EL.i686.rpm
kernel-hugemem-devel-2.6.9-67.0.20.EL.i686.rpm
kernel-smp-2.6.9-67.0.20.EL.i686.rpm
kernel-smp-devel-2.6.9-67.0.20.EL.i686.rpm
kernel-xenU-2.6.9-67.0.20.EL.i686.rpm
kernel-xenU-devel-2.6.9-67.0.20.EL.i686.rpm
ia64:
kernel-2.6.9-67.0.20.EL.ia64.rpm
kernel-debuginfo-2.6.9-67.0.20.EL.ia64.rpm
kernel-devel-2.6.9-67.0.20.EL.ia64.rpm
kernel-largesmp-2.6.9-67.0.20.EL.ia64.rpm
kernel-largesmp-devel-2.6.9-67.0.20.EL.ia64.rpm
noarch:
kernel-doc-2.6.9-67.0.20.EL.noarch.rpm
ppc:
kernel-2.6.9-67.0.20.EL.ppc64.rpm
kernel-2.6.9-67.0.20.EL.ppc64iseries.rpm
kernel-debuginfo-2.6.9-67.0.20.EL.ppc64.rpm
kernel-debuginfo-2.6.9-67.0.20.EL.ppc64iseries.rpm
kernel-devel-2.6.9-67.0.20.EL.ppc64.rpm
kernel-devel-2.6.9-67.0.20.EL.ppc64iseries.rpm
kernel-largesmp-2.6.9-67.0.20.EL.ppc64.rpm
kernel-largesmp-devel-2.6.9-67.0.20.EL.ppc64.rpm
s390:
kernel-2.6.9-67.0.20.EL.s390.rpm
kernel-debuginfo-2.6.9-67.0.20.EL.s390.rpm
kernel-devel-2.6.9-67.0.20.EL.s390.rpm
s390x:
kernel-2.6.9-67.0.20.EL.s390x.rpm
kernel-debuginfo-2.6.9-67.0.20.EL.s390x.rpm
kernel-devel-2.6.9-67.0.20.EL.s390x.rpm
x86_64:
kernel-2.6.9-67.0.20.EL.x86_64.rpm
kernel-debuginfo-2.6.9-67.0.20.EL.x86_64.rpm
kernel-devel-2.6.9-67.0.20.EL.x86_64.rpm
kernel-largesmp-2.6.9-67.0.20.EL.x86_64.rpm
kernel-largesmp-devel-2.6.9-67.0.20.EL.x86_64.rpm
kernel-smp-2.6.9-67.0.20.EL.x86_64.rpm
kernel-smp-devel-2.6.9-67.0.20.EL.x86_64.rpm
kernel-xenU-2.6.9-67.0.20.EL.x86_64.rpm
kernel-xenU-devel-2.6.9-67.0.20.EL.x86_64.rpm
Red Hat Enterprise Linux Desktop version 4:
Source:
i386:
kernel-2.6.9-67.0.20.EL.i686.rpm
kernel-debuginfo-2.6.9-67.0.20.EL.i686.rpm
kernel-devel-2.6.9-67.0.20.EL.i686.rpm
kernel-hugemem-2.6.9-67.0.20.EL.i686.rpm
kernel-hugemem-devel-2.6.9-67.0.20.EL.i686.rpm
kernel-smp-2.6.9-67.0.20.EL.i686.rpm
kernel-smp-devel-2.6.9-67.0.20.EL.i686.rpm
kernel-xenU-2.6.9-67.0.20.EL.i686.rpm
kernel-xenU-devel-2.6.9-67.0.20.EL.i686.rpm
noarch:
kernel-doc-2.6.9-67.0.20.EL.noarch.rpm
x86_64:
kernel-2.6.9-67.0.20.EL.x86_64.rpm
kernel-debuginfo-2.6.9-67.0.20.EL.x86_64.rpm
kernel-devel-2.6.9-67.0.20.EL.x86_64.rpm
kernel-largesmp-2.6.9-67.0.20.EL.x86_64.rpm
kernel-largesmp-devel-2.6.9-67.0.20.EL.x86_64.rpm
kernel-smp-2.6.9-67.0.20.EL.x86_64.rpm
kernel-smp-devel-2.6.9-67.0.20.EL.x86_64.rpm
kernel-xenU-2.6.9-67.0.20.EL.x86_64.rpm
kernel-xenU-devel-2.6.9-67.0.20.EL.x86_64.rpm
Red Hat Enterprise Linux ES version 4:
Source:
i386:
kernel-2.6.9-67.0.20.EL.i686.rpm
kernel-debuginfo-2.6.9-67.0.20.EL.i686.rpm
kernel-devel-2.6.9-67.0.20.EL.i686.rpm
kernel-hugemem-2.6.9-67.0.20.EL.i686.rpm
kernel-hugemem-devel-2.6.9-67.0.20.EL.i686.rpm
kernel-smp-2.6.9-67.0.20.EL.i686.rpm
kernel-smp-devel-2.6.9-67.0.20.EL.i686.rpm
kernel-xenU-2.6.9-67.0.20.EL.i686.rpm
kernel-xenU-devel-2.6.9-67.0.20.EL.i686.rpm
ia64:
kernel-2.6.9-67.0.20.EL.ia64.rpm
kernel-debuginfo-2.6.9-67.0.20.EL.ia64.rpm
kernel-devel-2.6.9-67.0.20.EL.ia64.rpm
kernel-largesmp-2.6.9-67.0.20.EL.ia64.rpm
kernel-largesmp-devel-2.6.9-67.0.20.EL.ia64.rpm
noarch:
kernel-doc-2.6.9-67.0.20.EL.noarch.rpm
x86_64:
kernel-2.6.9-67.0.20.EL.x86_64.rpm
kernel-debuginfo-2.6.9-67.0.20.EL.x86_64.rpm
kernel-devel-2.6.9-67.0.20.EL.x86_64.rpm
kernel-largesmp-2.6.9-67.0.20.EL.x86_64.rpm
kernel-largesmp-devel-2.6.9-67.0.20.EL.x86_64.rpm
kernel-smp-2.6.9-67.0.20.EL.x86_64.rpm
kernel-smp-devel-2.6.9-67.0.20.EL.x86_64.rpm
kernel-xenU-2.6.9-67.0.20.EL.x86_64.rpm
kernel-xenU-devel-2.6.9-67.0.20.EL.x86_64.rpm
Red Hat Enterprise Linux WS version 4:
Source:
i386:
kernel-2.6.9-67.0.20.EL.i686.rpm
kernel-debuginfo-2.6.9-67.0.20.EL.i686.rpm
kernel-devel-2.6.9-67.0.20.EL.i686.rpm
kernel-hugemem-2.6.9-67.0.20.EL.i686.rpm
kernel-hugemem-devel-2.6.9-67.0.20.EL.i686.rpm
kernel-smp-2.6.9-67.0.20.EL.i686.rpm
kernel-smp-devel-2.6.9-67.0.20.EL.i686.rpm
kernel-xenU-2.6.9-67.0.20.EL.i686.rpm
kernel-xenU-devel-2.6.9-67.0.20.EL.i686.rpm
ia64:
kernel-2.6.9-67.0.20.EL.ia64.rpm
kernel-debuginfo-2.6.9-67.0.20.EL.ia64.rpm
kernel-devel-2.6.9-67.0.20.EL.ia64.rpm
kernel-largesmp-2.6.9-67.0.20.EL.ia64.rpm
kernel-largesmp-devel-2.6.9-67.0.20.EL.ia64.rpm
noarch:
kernel-doc-2.6.9-67.0.20.EL.noarch.rpm
x86_64:
kernel-2.6.9-67.0.20.EL.x86_64.rpm
kernel-debuginfo-2.6.9-67.0.20.EL.x86_64.rpm
kernel-devel-2.6.9-67.0.20.EL.x86_64.rpm
kernel-largesmp-2.6.9-67.0.20.EL.x86_64.rpm
kernel-largesmp-devel-2.6.9-67.0.20.EL.x86_64.rpm
kernel-smp-2.6.9-67.0.20.EL.x86_64.rpm
kernel-smp-devel-2.6.9-67.0.20.EL.x86_64.rpm
kernel-xenU-2.6.9-67.0.20.EL.x86_64.rpm
kernel-xenU-devel-2.6.9-67.0.20.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
Topic
Updated kernel packages that fix several security issues and a bug are now available for Red Hat Enterprise Linux 4.
This update has been rated as having important security impact by the Red Hat Security Response Team.
Topic
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
Bugs Fixed
433938 - CVE-2008-0598 kernel: linux x86_64 ia32 emulation leaks uninitialized data
437312 - CVE-2008-1367 Kernel doesn't clear DF for signal handlers
449101 - [4.7] System goes unresponsive if times() syscall is called concurrently on many cpus
449359 - CVE-2008-2365 kernel: ptrace: Crash on PTRACE_{ATTACH,DETACH} race
451271 - CVE-2008-2729 kernel: [x86_64] The string instruction version didn't zero the output on exception.