Red Hat ENTERPRISE 5.4 RELEASE NOTES, Руководство пользователя

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RHSA-2009:0264: Important security update
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• a word endianness problem in the qla2xx driver on PowerPC-based machines may have corrupted
flash-based devices. (
BZ#485908
851
)
• a memory leak in pipe() may have caused a system deadlock. The workaround in Section 1.5,
Known Issues, of the Red Hat Enterprise Linux 5.3 Release Notes Updates, which involved
manually allocating extra file descriptors to processes calling do_pipe, is no longer necessary.
(
BZ#481576
852
)
• CPU soft-lockups in the network rate estimator. (
BZ#481746
853
)
• bugs in the ixgbe driver caused it to function unreliably on some systems with 16 or more CPU
cores. (
BZ#483210
854
)
• the iwl4965 driver may have caused a kernel panic. (
BZ#483206
855
)
• a bug caused NFS attributes to not update for some long-lived NFS mounted file systems.
(
BZ#483201
856
)
• unmounting a GFS2 file system may have caused a panic. (
BZ#485910
857
)
• a bug in ptrace() may have caused a panic when single stepping a target. (
BZ#487394
858
)
• on some 64-bit systems, notsc was incorrectly set at boot, causing slow gettimeofday() calls.
(
BZ#488239
859
)
• do_machine_check() cleared all Machine Check Exception (MCE) status registers, preventing the
BIOS from using them to determine the cause of certain panics and errors. (
BZ#490433
860
)
• scaling problems caused performance problems for LAPI applications. (
BZ#489457
861
)
• a panic may have occurred on systems using certain Intel WiFi Link 5000 products when booting
with the RF Kill switch on. (
BZ#489846
862
)
• the TSC is invariant with C/P/T states, and always runs at constant frequency from now on.
(
BZ#489310
863
)
All users should upgrade to these updated packages, which contain backported patches to correct
these issues. The system must be rebooted for this update to take effect.
1.110.7. RHSA-2009:0264: Important security update
Important
This update has already been released (prior to the GA of this release) as the security
errata
RHSA-2009:0264
864
Updated kernel packages that resolve several security issues are now available for Red Hat
Enterprise Linux 5.
This update has been rated as having important security impact by the Red Hat Security Response
Team.
The kernel packages contain the Linux kernel, the core of any Linux operating system.