Backported a kernel patch to ensure the cfs cgroup quota/period ratio
always stays the same. This addresses a Kubernetes issue where the pod
cgroup could be changed into an inconsistent state.
cos-69-10895-348-0
Date: Aug 30, 2019
Backported upstream writeback patches to fix a Docker hung issue.
cos-69-10895-329-0
Date: Aug 08, 2019
Upgraded the Linux kernel to v4.14.137. This resolves CVE-2019-1125.
cos-69-10895-299-0
Date: Jul 12, 2019
Fixed vulnerability in app-arch/bzip2 (CVE-2019-12900).
Updated kernel to version v4.14.132.
Fixed an issue introduced by NFLX-2019-001 fixes.
cos-69-10895-277-0
Date: Jun 19, 2019
Updated the Linux kernel to version 4.14.127 to resolve the NFLX-2019-001
TCP SACK vulnerabilities.
cos-69-10895-273-0
Date: Jun 17, 2019
Updated kernel to version v4.14.124.
cos-69-10895-255-0
Date: May 28, 2019
Upgraded curl to v7.64.1 to fix CVE-2018-16890.
Cherry-picked upstream patch https://patchwork.kernel.org/patch/10951403/ in kernel to fix
a bug in lockd introduced by commit 01b79d20008d "lockd: Show pid of lockd for remote locks"
in Linux kernel v4.14.105.
Rotated keys used by UEFI Secure Boot for signing and verifying the UEFI boot path.
cos-69-10895-242-0
Date: May 15, 2019
Merged Linux Stable Kernel 'v4.14.119' for resolving Microarchitectural
Data Sampling (MDS) vulnerabilities (CVE-2018-12126, CVE-2018-12127,
CVE-2018-12130, CVE-2019-11091).
Mitigated a mount hang issue in the Linux kernel.
cos-69-10895-211-0
Date: Apr 11, 2019
Fixed slow access to /sys/fs/cgroup/memory/memory.stat. This resolves
kubelet performance degradation.
cos-69-10895-201-0
Date: Apr 01, 2019
Included perf tool in the image.
Included sosreport in the image.
Updated the built-in kubelet to 1.11.8.
Fixed an issue where Shielded VM integrity measurements weren't being
logged properly.
Merged Linux Stable Kernel 'v4.14.106'.
cos-69-10895-172-0
Date: Feb 28, 2019
Enabled kernel.softlockup_all_cpu_backtrace. This was previously disabled
to mitigate a kernel deadlock issue, which is now resolved.
Configured docker.service by setting RestartSecs=10 to always restart
Docker after 10 seconds.
cos-69-10895-138-0
Date: Jan 24, 2019
Backported the fix for a deadlock issue in kernel panic.
Merged Linux Stable Kernel 'v4.14.91'.
cos-69-10895-123-0
Date: Jan 10, 2019
Set CONFIG_BLK_WBT_MQ=y to improve performance isolation on
persistent disks. This fixes a bug where writes on a SSD persistent
disk can affect performance on the Standard persistent boot disk.
Cherry-picked Ext4 commits that address FS inconsistencies caused by
disruptions during NFS CREATE operation under certain conditions.
Merged Linux Stable Kernel 'v4.14.89'.
cos-69-10895-102-0
Date: Dec 20, 2018
Disabled auto update on shielded images. Images in cos-cloud
are not impacted by this change.
Enabled the "metadata_csum" ext4 feature on the stateful partition.
This also improves performance of boot-disk resize operation.
Apply IMA Policy only when cloud-audit-setup.service is explicitly
run.
cos-69-10895-93-0
Date: Nov 16, 2018
Updated kernel to v4.14.79.
Fixed the bug that cloud-init can't write gzipped files.
cos-69-10895-91-0
Date: Oct 29, 2018
Fixed an issue where an interaction between IMA and NFS could cause deadlock.
Fixed a stackdriver-logging.service issue observed in Containers on Compute Engine.
PCID is now enabled by default when supported by the CPU platform.
cos-69-10895-85-0
Date: Oct 11, 2018
Reset softlockup_all_cpu_backtrace to '0' to avoid kernel deadlock on
high CPU machines under certain circumstances.
cos-69-10895-71-0
Date: Oct 1, 2018
Removed userspace headers from kernel header artifact.
cos-69-10895-62-0
Date: Sept 18, 2018
Promoted to Stable channel.
Backport a fix to ensure that scsi contributes to randomness when running
rotational device .
This addresses an issue where docker is slow to start because of
low entropy on standard PDs since v4.14.63 merge.
Enabled CONFIG_RANDOM_TRUST_CPU to address entropy starvation on PD-SSD boot disks.
Upgraded OpenSSL to 1.0.2p
Merged Linux stable version v4.14.65
Backported the fix for a cloud-init bug that write_files can't deal with non-asci
content .
Backport fix for a kernel warning
"WARNING: fs/overlayfs/readdir.c:393 ovl_iterate+0x25c/0x260 WARN_ON(!cache->refcount)"
Fix for Linux Kernel CVE-2018-12232
Backport fixes for L1 Terminal Fault (L1TF) issue (CVE-2018-3615, CVE-2018-3620 and
CVE-2018-3646).
Fixes for CVE-2018-5391.
Fixed a softlockup issue that occurred on single VCPU VMs when using FUSE filesystems.
Updated Kubernetes to v1.11.1
Fixes for CVE-2018-5390.
Increase default kernel.pid_max to 2^22.
Merged Linux stable version v4.14.54 into the kernel.
Removed SCSI CD-ROM support. This resolves CVE-2018-11506.
Upgraded built-in kubelet to v1.11.0
Updated docker-credential-gcr to 1.5.0
Updated BUG_REPORT_URL in /etc/os-release.
Enabled NFS debug configs in the kernel.
Enabled tcp_bbr kernel module for TCP congestion control.
Upgraded Git to version 2.16.4 to fix CVE 2018-11235.
Set '--disable-legacy-registry' Docker config to true by default.
Updated Kubernetes to 1.10.4.
Updated sshd_config to drop cbc based Ciphers.
Updated root CA certificates to match Mozilla NSS 3.36.1.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-07-02 UTC."],[[["This image family, cos-69-lts, was deprecated after December 11, 2019, and includes Kernel version 4.14.145, Kubernetes v1.11.8, and Docker v17.03.2."],["The image has seen numerous updates, including Linux kernel upgrades to address security vulnerabilities such as CVE-2019-1125, CVE-2019-12900, and various NFLX vulnerabilities, as well as Microarchitectural Data Sampling (MDS) vulnerabilities."],["Various bug fixes and improvements have been implemented, such as addressing a Docker hang issue, fixing performance issues with /sys/fs/cgroup/memory/memory.stat, resolving deadlocks in kernel panic, and improving performance isolation on persistent disks."],["Updates have been made to enhance security and functionality, including upgrading curl to fix CVE-2018-16890, rotating keys for UEFI Secure Boot, and updating OpenSSL and root CA certificates."],["The image has also had updates to kubernetes, docker, and other functions to allow for better functionality, as well as updating to address different CVEs and bugs."]]],[]]
