[ubuntu/xenial-security] linux-azure 4.15.0-1019.19~16.04.1 (Accepted)

[Andy Whitcroft]

linux-azure (4.15.0-1019.19~16.04.1) xenial; urgency=medium

  [ Ubuntu: 4.15.0-30.32 ]

  * CVE-2018-5390
    - tcp: free batches of packets in tcp_prune_ofo_queue()
    - tcp: avoid collapses in tcp_prune_queue() if possible
    - tcp: detect malicious patterns in tcp_collapse_ofo_queue()
    - tcp: call tcp_drop() from tcp_data_queue_ofo()
    - tcp: add tcp_ooo_try_coalesce() helper

linux-azure (4.15.0-1018.18) bionic; urgency=medium

  * linux-azure: 4.15.0-1018.18 -proposed tracker (LP: #1782178)


  [ Ubuntu: 4.15.0-29.31 ]

  * linux: 4.15.0-29.31 -proposed tracker (LP: #1782173)
  * [SRU Bionic][Cosmic] kernel panic in ipmi_ssif at msg_done_handler
    (LP: #1777716)
    - ipmi_ssif: Fix kernel panic at msg_done_handler
  * Update to ocxl driver for 18.04.1 (LP: #1775786)
    - misc: ocxl: use put_device() instead of device_unregister()
    - powerpc: Add TIDR CPU feature for POWER9
    - powerpc: Use TIDR CPU feature to control TIDR allocation
    - powerpc: use task_pid_nr() for TID allocation
    - ocxl: Rename pnv_ocxl_spa_remove_pe to clarify it's action
    - ocxl: Expose the thread_id needed for wait on POWER9
    - ocxl: Add an IOCTL so userspace knows what OCXL features are available
    - ocxl: Document new OCXL IOCTLs
    - ocxl: Fix missing unlock on error in afu_ioctl_enable_p9_wait()
  * Critical upstream bugfix missing in Ubuntu 18.04 - frequent Xorg crash after
    suspend (LP: #1776887)
    - ocxl: Document the OCXL_IOCTL_GET_METADATA IOCTL
  * Hard LOCKUP observed on stressing Ubuntu 18 04 (LP: #1777194)
    - powerpc: use NMI IPI for smp_send_stop
    - powerpc: Fix smp_send_stop NMI IPI handling
  * IPL: ppc64_cpu --frequency hang with INFO: rcu_sched detected stalls on
    CPUs/tasks on w34 and wsbmc016 with 920.1714.20170330n (LP: #1773964)
    - rtc: opal: Fix OPAL RTC driver OPAL_BUSY loops
  * [Regression] EXT4-fs error (device sda2): ext4_validate_block_bitmap:383:
    comm stress-ng: bg 4705: bad block bitmap checksum (LP: #1781709)
    - SAUCE: Revert "UBUNTU: SAUCE: ext4: fix ext4_validate_inode_bitmap: comm
      stress-ng: Corrupt inode bitmap"
    - SAUCE: ext4: check for allocation block validity with block group locked

  [ Ubuntu: 4.15.0-28.30 ]

  * linux: 4.15.0-28.30 -proposed tracker (LP: #1781433)
  * Cannot set MTU higher than 1500 in Xen instance (LP: #1781413)
    - xen-netfront: Fix mismatched rtnl_unlock
    - xen-netfront: Update features after registering netdev

Date: 2018-07-26 20:32:12.629943+00:00
Changed-By: Stefan Bader <stefan.bader at canonical.com>
Signed-By: Andy Whitcroft <apw at canonical.com>
https://launchpad.net/ubuntu/+source/linux-azure/4.15.0-1019.19~16.04.1
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