RHSA-2010:0178: Important Red Hat Enterprise Linux 5.5 kernel security and bug fix update
123
• Update
ioremap
to prevent kernel hang when using recent NVIDIA display drivers.
BZ#549465
1098
A problem was found where attempting to run a recent NVIDIA display driver on 32-bit Red Hat
Enterprise Linux 5.3 or 5.4 would cause the kernel to hang. This was due to hitting a
BUG()
call in
the
__change_page_attr()
routine.
This update provides the necessary changes to address this problem.
• Prevent hangs during memory reclaim on large systems.
BZ#546428
1099
• Call
vfs_check_frozen()
after unlocking the spinlock.
BZ#541956
1100
• Display UID as well as PID in OOM killer output.
BZ#520419
1101
• AMD-IOMMU: Support more IOMMU parameters and rework interrupt remapping according to
IOMMU spec 1.26.
BZ#518474
1102
BZ#526766
1103
• Add a tracepoint for kernel pagefault events.
BZ#517133
1104
This feature provides a tracepoint to trace kernel pagefault events. The argument should include the
IP (instruction pointer) and the faulted virtual address.
This update applies to 32-bit x86 and 64-bit Intel 64 and AMD64 architectures.
• Memory mapped files not updating timestamps.
BZ#452129
1105
• Prevent hangs or long pauses when zone_reclaim_mode=1.
BZ#507360
1106
1.88.7.1.11. Audit and Security Updates
1.88.7.1.11.1. Audit Updates
• Fix breakage and leaks in
audit_tree.c
BZ#549750
1107
A problem was found where if a user ran
auditctl -R audit.rules
which unloads and then
loads rules that include (for exeample) "-F dir=/var/log/audit" or "-F dir=/lib", it would result in a
kernel OOPS.
This update provides a fix for this issue.
• Correct the record length of execve.
BZ#509134
1108
1.88.7.1.11.2. Cryptography Updates
• IBM S/390: Permit weak keys unless REQ_WEAK_KEY is set.
BZ#504667
1109
1.88.7.1.11.3. SELinux Updates
• Update
audit_update_watch()
to prevent system crashes while running
usermod
.
BZ#526819
1110
• Allow preemption between transition permission checks in order to prevent CPU soft lockup
BZ#516216
1111
Summary of Contents for ENTERPRISE LINUX 5.5 - S 2010
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