[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["很难理解","hardToUnderstand","thumb-down"],["信息或示例代码不正确","incorrectInformationOrSampleCode","thumb-down"],["没有我需要的信息/示例","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC)：2025-09-04。"],[[["\u003cp\u003eThis image family, cos-77-lts, was deprecated after January 11, 2021, and runs on Linux kernel 4.19.112, Kubernetes v1.15.3, and Docker v19.03.1.\u003c/p\u003e\n"],["\u003cp\u003eMultiple security vulnerabilities, identified as CVEs, have been addressed within the Linux kernel and containerd components over various updates.\u003c/p\u003e\n"],["\u003cp\u003eThere have been various fixes to address issues regarding Docker's "registry-mirrors" configuration, as well as performance and stability enhancements related to resource management and network.\u003c/p\u003e\n"],["\u003cp\u003eSeveral updates focused on upgrading the Linux kernel to address bugs, add features, and enhance performance in the areas of scheduling, quotas, and overall system stability.\u003c/p\u003e\n"],["\u003cp\u003eThe cos-77-lts image family has undergone significant package upgrades over time, including systemd, Docker, Kubelet, openssl, and openssh, with the kernel compiler also being switched from gcc to clang.\u003c/p\u003e\n"]]],[],null,["# Container-Optimized OS Release Notes: Milestone 77\n\nCurrent Status\n--------------\n\nChangelog\n---------\n\n### cos-77-12371-1109-0\n\n*Date: Jan 11, 2021*\n\n- Fixed CVE-2020-29660 in the Linux kernel.\n- Fixed CVE-2020-29661 in the Linux kernel.\n\n### cos-77-12371-1105-0\n\n*Date: Dec 02, 2020*\n\n- Fixed CVE-2020-15257 in containerd.\n\n### cos-77-12371-1096-0\n\n*Date: Oct 26, 2020*\n\n- Fixed CVE-2020-14356.\n\n### cos-77-12371-1088-0\n\n*Date: Oct 12, 2020*\n\n- Added PPP loadable modules back, which were removed in cos-77-12371-1072-0.\n- Moved Docker's \"registry-mirrors\" configuration to the dockerd command line to address Kubernetes cluster provisioning errors.\n\n### cos-77-12371-1086-0\n\n*Date: Oct 08, 2020*\n\n- Moved the configuration of Docker's \"registry-mirrors\" option from the dockerd command line to /etc/docker/daemon.json. This should allow users to configure a custom registry mirror, which can be useful when responding to recent Docker Hub free tier changes.\n- Fixed CVE-2020-15157 in containerd.\n\n### cos-77-12371-1079-0\n\n*Date: Sep 05, 2020*\n\n- Fixed Linux kernel vulnerability CVE-2020-14386 by fixing an integer overflow issue in tpacket_rcv.\n\n### cos-77-12371-1073-0\n\n*Date: Aug 21, 2020*\n\n- Enabled utmp in systemd to allow creation of utmp files.\n\n### cos-77-12371-1072-0\n\n*Date: Aug 10, 2020*\n\n- Disabled CONFIG_PPP to mitigate Linux Kernel CVE-2020-14416.\n- Fixed CVE-2020-15705 in grub.\n\n### cos-77-12371-1064-0\n\n*Date: July 30, 2020*\n\n- Removed the metrics daemon to address an issue where it would periodically cause CPU usage spikes in some cases.\n\n### cos-77-12371-326-0\n\n*Date: July 13, 2020*\n\n- Added rsync back into the image, which was removed in cos-dev-77-12293-0-0.\n- Mount /var/lib/containerd with exec option.\n- Moved Kernel source to cos.googlesource.com.\n- Fixed CVE-2019-9169.\n\n### cos-77-12371-296-0\n\n*Date: June 16, 2020*\n\n- Updated toolbox base container image to include security patches.\n\n### cos-77-12371-274-0\n\n*Date: May 26, 2020*\n\n- Fixed a few OS Login CVEs: CVE-2020-8903, CVE-2020-8907, CVE-2020-8933.\n\n### cos-77-12371-273-0\n\n*Date: May 21, 2020*\n\n- Fixed a Stackdriver Monitoring agent bug where not all mounted disk partitions has their usage reported.\n\n### cos-77-12371-251-0\n\n*Date: Apr 29, 2020*\n\n- Fixed a kernel bug where eBPF programs can cause softlockups.\n\n### cos-77-12371-233-0\n\n*Date: Apr 29, 2020*\n\n- Disabled \\`accept_ra\\` on all interfaces by default.\n\n### cos-77-12371-227-0\n\n*Date: Apr 05, 2020*\n\n- Upgraded the Linux kernel to v4.19.112.\n- Backported systemd patch ba0d56f55 to address an issue that resulted in leaked mount units.\n\n### cos-77-12371-208-0\n\n*Date: Mar 17, 2020*\n\n- Enabled NETFILTER_XT_MATCH_SOCKET.\n- Fixed a bug where DHCP is not started after link flaps.\n- Removed size limit on /etc/ to fix cluster creation failure because of large number of addons.\n- Upgraded the Linux kernel to v4.19.109.\n\n### cos-77-12371-183-0\n\n*Date: Feb 21, 2020*\n\n- Upgraded the Linux kernel to v4.19.104.\n- Fixed TCP empty skb at the tail of the write queue bug in kernel.\n\n### cos-77-12371-175-0\n\n*Date: Feb 12, 2020*\n\n- Enabled some QoS and Fair Queuing options in the Linux kernel.\n- Upgraded the Linux kernel to v4.19.102.\n- Upgraded runc to 1.0.0-rc10. This resolves CVE-2019-19921.\n\n### cos-77-12371-141-0\n\n*Date: Jan 07, 2020*\n\n- Backported fix for Linux kernel CVE-2019-19072.\n- Fixed CFS quota throttling issue.\n- Upgraded the Linux kernel to v4.19.91.\n\n### cos-77-12371-114-0\n\n*Date: Oct 31, 2019*\n\n- Increased sysctl net.ipv4.tcp_limit_output_bytes to 1048576.\n- Fixed the problem of spawning 8 runc state process for every exec on containerd. This was leading to high cpu utilization.\n- Fixed the unnecessary creation of two separate test slices (resulting in 4 systemd log messages total + runtime overhead) for every runc execution.\n- Fixed an issue in runc that resulted in unnecessary CPU consumption. Upgraded the Linux kernel to v4.19.80.\n- Fixed a performance regression in completely fair scheduler (CFS).\n\n### cos-77-12371-89-0\n\n*Date: Oct 9, 2019*\n\n- Upgraded the Linux kernel to 4.19.76.\n- 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.\n- Backported a kernel patch to fix performance regression in wbt scale_up/scale_down.\n\n### cos-77-12371-76-0 (vs Milestone 73)\n\n*Date: Sep 27, 2019*\n\n#### New features\n\n- Enabled Shielded VM by default. Secure boot is not enabled by default.\n- Enabled cgroup v2 hybrid mode in systemd.\n- Added support for the virtio balloon driver.\n- Added the node-problem-detector package.\n- Added the conntrack-tools package.\n- Added the xfsprogs package.\n\n#### Package updates\n\n- Upgraded systemd to version 239.\n- Upgraded the Linux kernel to version 4.19.\n- Upgraded Docker to version 19.03.\n- Upgraded Kubelet to version 1.15.\n- Upgraded the compute-image-packages to version 20190304.\n- Upgraded openssl to version 1.0.2r.\n- Upgraded openssh to version 7.9p1.\n- Changed kernel compiler from gcc to clang."]]
