[El-errata] ELSA-2019-4541 Important: Oracle Linux 7 Unbreakable Enterprise kernel security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2019-4541

http://linux.oracle.com/errata/ELSA-2019-4541.html

The following updated rpms for Oracle Linux 7 have been uploaded to the 
Unbreakable Linux Network:

x86_64:
kernel-uek-4.14.35-1844.2.5.el7uek.x86_64.rpm
kernel-uek-debug-4.14.35-1844.2.5.el7uek.x86_64.rpm
kernel-uek-debug-devel-4.14.35-1844.2.5.el7uek.x86_64.rpm
kernel-uek-devel-4.14.35-1844.2.5.el7uek.x86_64.rpm
kernel-uek-tools-4.14.35-1844.2.5.el7uek.x86_64.rpm
kernel-uek-doc-4.14.35-1844.2.5.el7uek.noarch.rpm


SRPMS:
http://oss.oracle.com/ol7/SRPMS-updates/kernel-uek-4.14.35-1844.2.5.el7uek.src.rpm



Description of changes:

[4.14.35-1844.2.5.el7uek]
- x86/apic: Switch all APICs to Fixed delivery mode (Thomas Gleixner) 
[Orabug: 29262403]

[4.14.35-1844.2.4.el7uek]
- x86/platform/UV: Add check of TSC state set by UV BIOS 
(mike.travis at hpe.com) [Orabug: 29205471] - x86/tsc: Provide a means to 
disable TSC ART (mike.travis at hpe.com) [Orabug: 29205471] - x86/tsc: 
Drastically reduce the number of firmware bug warnings 
(mike.travis at hpe.com) [Orabug: 29205471] - x86/tsc: Skip TSC test and 
error messages if already unstable (mike.travis at hpe.com) [Orabug: 
29205471] - x86/tsc: Add option that TSC on Socket 0 being non-zero is 
valid (mike.travis at hpe.com) [Orabug: 29205471] - scsi: lpfc: Enable 
Management features for IF_TYPE=6 (James Smart) [Orabug: 29248376]

[4.14.35-1844.2.3.el7uek]
- RDS: Heap OOB write in rds_message_alloc_sgs() (Mohamed Ghannam) 
[Orabug: 28983233] - proc: restrict kernel stack dumps to root (Jann 
Horn) [Orabug: 29114876] {CVE-2018-17972}
- rds: congestion updates can be missed when kernel low on memory 
(Mukesh Kacker) [Orabug: 29200902] - x86/retpoline: Make 
CONFIG_RETPOLINE depend on compiler support (Zhenzhong Duan) [Orabug: 
29211613] - xen-netback: wake up xenvif_dealloc_kthread when it should 
stop (Dongli Zhang) [Orabug: 29237355] - xen/blkback: rework 
validate_io_op() (Dongli Zhang) [Orabug: 29237430] - xen/blkback: 
optimize validate_io_op() to filter BLKIF_OP_RESERVED_1 operation 
(Dongli Zhang) [Orabug: 29237430] - xen/blkback: do not BUG() for 
invalid blkif_request from frontend (Dongli Zhang) [Orabug: 29237430] - 
net/rds: WARNING: at net/rds/recv.c:222 rds_recv_hs_exthdrs+0xf8/0x1e0 
(Venkat Venkatsubra) [Orabug: 29248238] - kvm: x86: Add AMD's EX_CFG to 
the list of ignored MSRs (Eduardo Habkost) [Orabug: 29254549] - 
alarmtimer: Prevent overflow for relative nanosleep (Thomas Gleixner) 
[Orabug: 29269148] {CVE-2018-13053}

[4.14.35-1844.2.2.el7uek]
- genirq/affinity: Don't return with empty affinity masks on error 
(Thomas Gleixner) [Orabug: 29209330] - x86/apic/x2apic: set affinity of 
a single interrupt to one cpu (Jianchao Wang) [Orabug: 29201434] - 
uek-rpm: Update x86_64 config options (Victor Erminpour) [Orabug: 
29129556] - net: rds: fix excess initialization of the recv SGEs (Zhu 
Yanjun) [Orabug: 29004501] - nvme-pci: fix memory leak on probe failure 
(Keith Busch) [Orabug: 29214245] - nvme-pci: limit max IO size and 
segments to avoid high order allocations (Jens Axboe) [Orabug: 29214245] 
- arm64, dtrace: add non-virtual clocksources to fbt blacklist (Nick 
Alcock) [Orabug: 29220926] - net/rds: ib: Fix endless RNR Retries caused 
by memory allocation failures (Venkat Venkatsubra) [Orabug: 29222874] - 
x86/speculation: simplify IBRS firmware control (Alexandre Chartre) 
[Orabug: 29225114] - x86/speculation: use jump label instead of 
alternative to control IBRS firmware (Alexandre Chartre) [Orabug: 
29225114] - x86/speculation: fix and simplify IBPB control (Alexandre 
Chartre) [Orabug: 29225114] - x86/speculation: use jump label instead of 
alternative to control IBPB (Alexandre Chartre) [Orabug: 29225114] - 
x86/speculation: move ANNOTATE_* macros to a new header file (Alexandre 
Chartre) [Orabug: 29225114] - be2net: Update the driver version to 
12.0.0.0 (Suresh Reddy) [Orabug: 29228473] - be2net: Handle transmit 
completion errors in Lancer (Suresh Reddy) [Orabug: 29228473] - be2net: 
Fix HW stall issue in Lancer (Suresh Reddy) [Orabug: 29228473] - 
x86/platform/UV: Fix GAM MMR references in the UV x2apic code (Mike 
Travis) [Orabug: 29205471] - x86/platform/UV: Fix GAM MMR changes in 
UV4A (Mike Travis) [Orabug: 29205471] - x86/platform/UV: Add references 
to access fixed UV4A HUB MMRs (Mike Travis) [Orabug: 29205471] - 
x86/platform/UV: Fix UV4A support on new Intel Processors (Mike Travis) 
[Orabug: 29205471] - x86/platform/UV: Update uv_mmrs.h to prepare for 
UV4A fixes (Mike Travis) [Orabug: 29205471]

[4.14.35-1844.2.1.el7uek]
- rds: Incorrect rds-info send and retransmission message output 
(Ka-Cheong Poon) [Orabug: 29024033] - mlx4_core: Disable P_Key Violation 
Traps (Håkon Bugge) [Orabug: 28861014] - rds: ib: Use a delay when 
reconnecting to the very same IP address (Håkon Bugge) [Orabug: 
29161391] - KVM: Fix UAF in nested posted interrupt processing (Cfir 
Cohen) [Orabug: 29172125] {CVE-2018-16882}
- x86/alternative: check int3 breakpoint physical addresses (Alexandre 
Chartre) [Orabug: 29178334] - Change mincore() to count "mapped" pages 
rather than "cached" pages (Linus Torvalds) [Orabug: 29187408] 
{CVE-2019-5489}
- net/rds: RDS connection does not reconnect after CQ access violation 
error (Venkat Venkatsubra) [Orabug: 29180514]

[4.14.35-1844.2.0.el7uek]
- userfaultfd: check VM_MAYWRITE was set after verifying the uffd is 
registered (Andrea Arcangeli) [Orabug: 29163742] {CVE-2018-18397}
- userfaultfd: shmem/hugetlbfs: only allow to register VM_MAYWRITE vmas 
(Andrea Arcangeli) [Orabug: 29163742] {CVE-2018-18397}
- ocfs2: don't clear bh uptodate for block read (Junxiao Bi) [Orabug: 
29159655] - ocfs2: clear journal dirty flag after shutdown journal 
(Junxiao Bi) [Orabug: 29154599] - ocfs2: fix panic due to unrecovered 
local alloc (Junxiao Bi) [Orabug: 29154599]