[El-errata] ELSA-2018-4304 Important: Oracle Linux 7 Unbreakable Enterprise kernel security update

Errata Announcements for Oracle Linux el-errata at oss.oracle.com
Wed Dec 12 05:38:05 PST 2018

Oracle Linux Security Advisory ELSA-2018-4304


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



Description of changes:

- RDS: null pointer dereference in rds_atomic_free_op (Mohamed Ghannam)  [Orabug: 28020694]  {CVE-2018-5333}
- x86/speculation: Make enhanced IBRS the default spectre v2 mitigation (Alejandro Jimenez)  [Orabug: 28474853]
- x86/speculation: Enable enhanced IBRS usage (Alejandro Jimenez)  [Orabug: 28474853]
- x86/speculation: functions for supporting enhanced IBRS (Alejandro Jimenez)  [Orabug: 28474853]
- KVM: x86: Expose CLDEMOTE CPU feature to guest VM (Jingqi Liu)  [Orabug: 28938290]
- x86/cpufeatures: Enumerate cldemote instruction (Fenghua Yu)  [Orabug: 28938290]
- libiscsi: Fix NULL pointer dereference in iscsi_eh_session_reset (Fred Herard)  [Orabug: 28946206]
- wil6210: missing length check in wmi_set_ie (Lior David)  [Orabug: 28951267]  {CVE-2018-5848}
- floppy: Do not copy a kernel pointer to user memory in FDGETPRM ioctl (Andy Whitcroft)  [Orabug: 28956546]  {CVE-2018-7755} {CVE-2018-7755}

- hugetlbfs: use truncate mutex to prevent pmd sharing race (Mike Kravetz)  [Orabug: 28896279]
- xfs: enhance dinode verifier (Eric Sandeen)  [Orabug: 28943579]  {CVE-2018-10322}
- xfs: move inode fork verifiers to xfs_dinode_verify (Darrick J. Wong)  [Orabug: 28943579]  {CVE-2018-10322}

- rds: crash at rds_ib_inc_copy_to_user+104 due to NULL ptr reference (Venkat Venkatsubra)  [Orabug: 28748049]
- kdump/vmcore: support encrypted old memory with SME enabled (Lianbo Jiang)  [Orabug: 28796835]
- amd_iommu: remap the device table of IOMMU with the memory encryption mask for kdump (Lianbo Jiang)  [Orabug: 28796835]
- kexec: allocate unencrypted control pages for kdump in case SME is enabled (Lianbo Jiang)  [Orabug: 28796835]
- x86/ioremap: add a function ioremap_encrypted() to remap kdump old memory (Lianbo Jiang)  [Orabug: 28796835]
-   net/rds: Fix endless RNR situation (Venkat Venkatsubra)  [Orabug: 28857013]
- Btrfs: fix xattr loss after power failure (Filipe Manana)  [Orabug: 28893942]
- xen/balloon: Support xend-based toolstack (Boris Ostrovsky)  [Orabug: 28901032]
- Btrfs: fix file data corruption after cloning a range and fsync (Filipe Manana)  [Orabug: 28905635]
- xen-blkfront: fix kernel panic with negotiate_mq error path (Manjunath Patil)
- cdrom: fix improper type cast, which can leat to information leak. (Young_X)  [Orabug: 28929755]  {CVE-2018-16658} {CVE-2018-10940} {CVE-2018-18710}
- sched/fair: Use a recently used CPU as an idle candidate and the basis for SIS (Mel Gorman)  [Orabug: 28940633]
- sched/fair: Move select_task_rq_fair() slow-path into its own function (Brendan Jackman)  [Orabug: 28940633]
- certs: Add Oracle's new X509 cert into .builtin_trusted_keys (Eric Snowberg)  [Orabug: 28926200]
- net: Allow pernet_operations to be executed in parallel (Kirill Tkhai)  [Orabug: 28924205]
- net: Move mutex_unlock() in cleanup_net() up (Kirill Tkhai)  [Orabug: 28924205]
- locking/arch, x86: Add __down_read_killable() (Kirill Tkhai)  [Orabug: 28924205]
- locking/x86: Use named operands in rwsem.h (Miguel Bernal Marin)  [Orabug: 28924205]
- locking/rwsem: Add down_read_killable() (Kirill Tkhai)  [Orabug: 28924205]
- net: Introduce net_sem for protection of pernet_list (Kirill Tkhai)  [Orabug: 28924205]
- net: Assign net to net_namespace_list in setup_net() (Kirill Tkhai)  [Orabug: 28924205]
- net: Cleanup in copy_net_ns() (Kirill Tkhai)  [Orabug: 28924205]

- Revert "aarch64: remove duplicate dtb in kernel rpm" (Jack Vogel)

- oracleasm: Implement support for QUERY HANDLE operation (Martin K. Petersen)  [Orabug: 28887237]
- oracleasm: Honor ASM_IFLAG_FORMAT_NOCHECK flag (Martin K. Petersen)  [Orabug: 28887237]
- bpf: 32-bit RSH verification must truncate input before the ALU op (Jann Horn)  [Orabug: 28861785]  {CVE-2018-18445}
- aarch64: remove duplicate dtb in kernel rpm (Eric Saint-Etienne)  [Orabug: 28672035]
- scsi: lpfc: Correct MDS diag and nvmet configuration (James Smart)  [Orabug: 28432993]
- uek-rpm: Run 'make olddefconfig' to get latest x86 config values (Victor Erminpour)  [Orabug: 28845157]
- hugetlbfs: fix kernel BUG at fs/hugetlbfs/inode.c:447! (Mike Kravetz)  [Orabug: 28886647]
- ext4: update i_disksize if direct write past ondisk size (Eryu Guan)  [Orabug: 28869428]
- ext4: protect i_disksize update by i_data_sem in direct write path (Eryu Guan)  [Orabug: 28869428]
- config: disable xfs online scrub in uek5 (Darrick J. Wong)  [Orabug: 28890254]
- scsi: sg: allocate with __GFP_ZERO in sg_build_indirect() (Alexander Potapenko)  [Orabug: 28884433]  {CVE-2018-1000204}
- random: fix crng_ready() test (Theodore Ts'o)  [Orabug: 28863713]  {CVE-2018-1108} {CVE-2018-1108}
- proc: do not access cmdline nor environ from file-backed areas (Willy Tarreau)  [Orabug: 28863722]  {CVE-2018-1120} {CVE-2018-1120}
- vhost: correctly check the iova range when waking virtqueue (Jason Wang)  [Orabug: 28892623]  {CVE-2018-1118}
- xfs: don't call xfs_da_shrink_inode with NULL bp (Eric Sandeen)  [Orabug: 28893785]  {CVE-2018-13094}
- ALSA: rawmidi: Change resized buffers atomically (Takashi Iwai)  [Orabug: 28893798]  {CVE-2018-10902}
- mm: thp: relax __GFP_THISNODE for MADV_HUGEPAGE mappings (Andrea Arcangeli)  [Orabug: 28899818]

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