- Issued:
- 2012-02-13
- Updated:
- 2012-02-13
RHBA-2012:0124 - kernel bug fix update
Synopsis
kernel bug fix update
Type/Severity
Bug Fix Advisory
Topic
Updated kernel packages that fix one bug are now available for Red Hat Enterprise Linux 6.
Description
The kernel packages contain the Linux kernel, the core of any Linux operating system.
This update fixes the following bug:
- An insufficiently designed calculation in the CPU accelerator in the previous kernel caused an arithmetic overflow in the sched_clock() function when system uptime exceeded 208.5 days. This overflow led to a kernel panic on the systems using the Time Stamp Counter (TSC) or Virtual Machine Interface (VMI) clock source. This update corrects the aforementioned calculation so that this arithmetic overflow and kernel panic can no longer occur under these circumstances. (BZ#781974)
All users are advised to upgrade to these updated packages, which fix this bug. The system must be rebooted for this update to take effect.
Solution
Before applying this update, make sure all previously-released errata relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at This content is not included.https://access.redhat.com/kb/docs/DOC-11259
Affected Products
| Product | Version | Arch |
|---|---|---|
| Red Hat Storage | 2.0 | x86_64 |
| Red Hat Storage for Public Cloud (via RHUI) | 2.0 | x86_64 |
| Red Hat Gluster Storage Server for On-premise | 2.0 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Extended Update Support | 6.2 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Extended Update Support | 6.2 | i386 |
| Red Hat Enterprise Linux for Scientific Computing | 6 | x86_64 |
| Red Hat Enterprise Linux for Power, big endian | 6 | ppc64 |
| Red Hat Enterprise Linux for Power, big endian - Extended Update Support | 6.2 | ppc64 |
| Red Hat Enterprise Linux for IBM z Systems | 6 | s390x |
| Red Hat Enterprise Linux for IBM z Systems - Extended Update Support | 6.2 | s390x |
| Red Hat Enterprise Linux Workstation | 6 | x86_64 |
| Red Hat Enterprise Linux Workstation | 6 | i386 |
| Red Hat Enterprise Linux Server | 6 | x86_64 |
| Red Hat Enterprise Linux Server | 6 | i386 |
| Red Hat Enterprise Linux Server from RHUI | 6 | x86_64 |
| Red Hat Enterprise Linux Server from RHUI | 6 | i386 |
| Red Hat Enterprise Linux Server - Retired Extended Life Cycle Support | 6 | x86_64 |
| Red Hat Enterprise Linux Server - Extended Update Support from RHUI | 6.2 | x86_64 |
| Red Hat Enterprise Linux Server - Extended Update Support from RHUI | 6.2 | i386 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support | 6 | x86_64 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support | 6 | i386 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension | 6 | x86_64 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension | 6 | i386 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension (for IBM z Systems) | 6 | s390x |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) | 6 | s390x |
| Red Hat Enterprise Linux Server - AUS | 6.2 | x86_64 |
| Red Hat Enterprise Linux Desktop | 6 | x86_64 |
| Red Hat Enterprise Linux Desktop | 6 | i386 |
Updated Packages
- kernel-firmware-2.6.32-220.4.2.el6.noarch.rpm
- perf-2.6.32-220.4.2.el6.x86_64.rpm
- kernel-debug-devel-2.6.32-220.4.2.el6.x86_64.rpm
- perf-debuginfo-2.6.32-220.4.2.el6.i686.rpm
- kernel-debug-2.6.32-220.4.2.el6.x86_64.rpm
- kernel-debug-devel-2.6.32-220.4.2.el6.i686.rpm
- kernel-2.6.32-220.4.2.el6.x86_64.rpm
- kernel-2.6.32-220.4.2.el6.src.rpm
- kernel-debug-debuginfo-2.6.32-220.4.2.el6.ppc64.rpm
- kernel-debug-debuginfo-2.6.32-220.4.2.el6.s390x.rpm
- kernel-devel-2.6.32-220.4.2.el6.s390x.rpm
- python-perf-2.6.32-220.4.2.el6.i686.rpm
- kernel-headers-2.6.32-220.4.2.el6.ppc64.rpm
- kernel-kdump-devel-2.6.32-220.4.2.el6.s390x.rpm
- kernel-debug-devel-2.6.32-220.4.2.el6.ppc64.rpm
- kernel-debug-2.6.32-220.4.2.el6.s390x.rpm
- python-perf-2.6.32-220.4.2.el6.ppc64.rpm
- kernel-debuginfo-2.6.32-220.4.2.el6.i686.rpm
- kernel-2.6.32-220.4.2.el6.ppc64.rpm
- kernel-debuginfo-2.6.32-220.4.2.el6.s390x.rpm
- kernel-debuginfo-common-i686-2.6.32-220.4.2.el6.i686.rpm
- python-perf-2.6.32-220.4.2.el6.x86_64.rpm
- kernel-bootwrapper-2.6.32-220.4.2.el6.ppc64.rpm
- perf-debuginfo-2.6.32-220.4.2.el6.s390x.rpm
- python-perf-2.6.32-220.4.2.el6.s390x.rpm
- kernel-debuginfo-common-s390x-2.6.32-220.4.2.el6.s390x.rpm
- perf-2.6.32-220.4.2.el6.i686.rpm
- perf-debuginfo-2.6.32-220.4.2.el6.ppc64.rpm
- kernel-debug-debuginfo-2.6.32-220.4.2.el6.x86_64.rpm
- kernel-devel-2.6.32-220.4.2.el6.i686.rpm
- kernel-2.6.32-220.4.2.el6.i686.rpm
- kernel-debug-devel-2.6.32-220.4.2.el6.s390x.rpm
- kernel-devel-2.6.32-220.4.2.el6.ppc64.rpm
- kernel-headers-2.6.32-220.4.2.el6.s390x.rpm
- kernel-doc-2.6.32-220.4.2.el6.noarch.rpm
- kernel-debuginfo-2.6.32-220.4.2.el6.x86_64.rpm
- kernel-headers-2.6.32-220.4.2.el6.x86_64.rpm
- kernel-kdump-2.6.32-220.4.2.el6.s390x.rpm
- perf-2.6.32-220.4.2.el6.s390x.rpm
- perf-2.6.32-220.4.2.el6.ppc64.rpm
- kernel-2.6.32-220.4.2.el6.s390x.rpm
- perf-debuginfo-2.6.32-220.4.2.el6.x86_64.rpm
- kernel-debuginfo-common-x86_64-2.6.32-220.4.2.el6.x86_64.rpm
- kernel-kdump-debuginfo-2.6.32-220.4.2.el6.s390x.rpm
- kernel-debug-2.6.32-220.4.2.el6.ppc64.rpm
- kernel-debuginfo-2.6.32-220.4.2.el6.ppc64.rpm
- kernel-headers-2.6.32-220.4.2.el6.i686.rpm
- kernel-devel-2.6.32-220.4.2.el6.x86_64.rpm
- kernel-debug-debuginfo-2.6.32-220.4.2.el6.i686.rpm
- kernel-debuginfo-common-ppc64-2.6.32-220.4.2.el6.ppc64.rpm
- kernel-debug-2.6.32-220.4.2.el6.i686.rpm
Fixes
(none)
CVEs
(none)
References
(none)
Additional information
- The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
- Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.