# Amazon Linux 2 version 2.0.20210617.0 release notes
<a name="relnotes-20210617"></a>

These are the release notes for Amazon Linux 2 version 2.0.20210617.0.

## Major updates
<a name="major-updates-20210617"></a>

None.

## Package updates
<a name="package-updates-20210617"></a>

Amazon Linux 2 includes the following packages.


| Packages | 
| --- | 
|  bind-export-libs-9.11.4-26.P2.amzn2.5.2.aarch64  | 
|  bind-export-libs-9.11.4-26.P2.amzn2.5.2.x86\$164  | 
|  bind-libs-9.11.4-26.P2.amzn2.5.2.aarch64  | 
|  bind-libs-9.11.4-26.P2.amzn2.5.2.x86\$164  | 
|  bind-libs-lite-9.11.4-26.P2.amzn2.5.2.aarch64  | 
|  bind-libs-lite-9.11.4-26.P2.amzn2.5.2.x86\$164  | 
|  bind-license-9.11.4-26.P2.amzn2.5.2.noarch  | 
|  bind-utils-9.11.4-26.P2.amzn2.5.2.aarch64  | 
|  bind-utils-9.11.4-26.P2.amzn2.5.2.x86\$164  | 
|  bzip2-1.0.6-13.amzn2.0.3.aarch64  | 
|  bzip2-1.0.6-13.amzn2.0.3.x86\$164  | 
|  bzip2-libs-1.0.6-13.amzn2.0.3.aarch64  | 
|  bzip2-libs-1.0.6-13.amzn2.0.3.x86\$164  | 
|  cloud-init-19.3-44.amzn2.noarch  | 
|  cpp-7.3.1-13.amzn2.x86\$164  | 
|  curl-7.61.1-12.amzn2.0.4.aarch64  | 
|  curl-7.61.1-12.amzn2.0.4.x86\$164  | 
|  dhclient-4.2.5-77.amzn2.1.3.aarch64  | 
|  dhclient-4.2.5-77.amzn2.1.3.x86\$164  | 
|  dhcp-common-4.2.5-77.amzn2.1.3.aarch64  | 
|  dhcp-common-4.2.5-77.amzn2.1.3.x86\$164  | 
|  dhcp-libs-4.2.5-77.amzn2.1.3.aarch64  | 
|  dhcp-libs-4.2.5-77.amzn2.1.3.x86\$164  | 
|  dracut-config-ec2-2.0-1.amzn2.noarch  | 
|  gcc-7.3.1-13.amzn2.x86\$164  | 
|  gcc-c-7.3.1-13.amzn2.x86\$164  | 
|  glib2-2.56.1-9.amzn2.0.1.aarch64  | 
|  glib2-2.56.1-9.amzn2.0.1.x86\$164  | 
|  glibc-2.26-47.amzn2.aarch64  | 
|  glibc-2.26-47.amzn2.x86\$164  | 
|  glibc-all-langpacks-2.26-47.amzn2.aarch64  | 
|  glibc-all-langpacks-2.26-47.amzn2.x86\$164  | 
|  glibc-common-2.26-47.amzn2.aarch64  | 
|  glibc-common-2.26-47.amzn2.x86\$164  | 
|  glibc-devel-2.26-47.amzn2.x86\$164  | 
|  glibc-headers-2.26-47.amzn2.x86\$164  | 
|  glibc-langpack-en-2.26-47.amzn2.aarch64  | 
|  glibc-langpack-en-2.26-47.amzn2.x86\$164  | 
|  glibc-locale-source-2.26-47.amzn2.aarch64  | 
|  glibc-locale-source-2.26-47.amzn2.x86\$164  | 
|  glibc-minimal-langpack-2.26-47.amzn2.aarch64  | 
|  glibc-minimal-langpack-2.26-47.amzn2.x86\$164  | 
|  kernel-4.14.232-177.418.amzn2.aarch64  | 
|  kernel-4.14.232-177.418.amzn2.x86\$164  | 
|  kernel-devel-4.14.232-177.418.amzn2.x86\$164  | 
|  kernel-headers-4.14.232-177.418.amzn2.x86\$164  | 
|  kernel-tools-4.14.232-177.418.amzn2.aarch64  | 
|  kernel-tools-4.14.232-177.418.amzn2.x86\$164  | 
|  libatomic-7.3.1-13.amzn2.x86\$164  | 
|  libcilkrts-7.3.1-13.amzn2.x86\$164  | 
|  libcrypt-2.26-47.amzn2.aarch64  | 
|  libcrypt-2.26-47.amzn2.x86\$164  | 
|  libcurl-7.61.1-12.amzn2.0.4.aarch64  | 
|  libcurl-7.61.1-12.amzn2.0.4.x86\$164  | 
|  libgcc-7.3.1-13.amzn2.aarch64  | 
|  libgcc-7.3.1-13.amzn2.x86\$164  | 
|  libgomp-7.3.1-13.amzn2.aarch64  | 
|  libgomp-7.3.1-13.amzn2.x86\$164  | 
|  libitm-7.3.1-13.amzn2.x86\$164  | 
|  libmpx-7.3.1-13.amzn2.x86\$164  | 
|  libquadmath-7.3.1-13.amzn2.x86\$164  | 
|  libsanitizer-7.3.1-13.amzn2.x86\$164  | 
|  libstdc-7.3.1-13.amzn2.aarch64  | 
|  libstdc-7.3.1-13.amzn2.x86\$164  | 
|  libX11-1.6.7-3.amzn2.0.1.x86\$164  | 
|  libX11-common-1.6.7-3.amzn2.0.1.noarch  | 
|  libxml2-2.9.1-6.amzn2.5.3.aarch64  | 
|  libxml2-2.9.1-6.amzn2.5.3.x86\$164  | 
|  libxml2-python-2.9.1-6.amzn2.5.3.aarch64  | 
|  libxml2-python-2.9.1-6.amzn2.5.3.x86\$164  | 
|  microcode\$1ctl-2.1-47.amzn2.0.9.x86\$164  | 
|  nss-3.53.1-7.amzn2.aarch64  | 
|  nss-3.53.1-7.amzn2.x86\$164  | 
|  nss-sysinit-3.53.1-7.amzn2.aarch64  | 
|  nss-sysinit-3.53.1-7.amzn2.x86\$164  | 
|  nss-tools-3.53.1-7.amzn2.aarch64  | 
|  nss-tools-3.53.1-7.amzn2.x86\$164  | 
|  openldap-2.4.44-23.amzn2.0.1.aarch64  | 
|  openldap-2.4.44-23.amzn2.0.1.x86\$164  | 
|  python-2.7.18-1.amzn2.0.4.aarch64  | 
|  python-2.7.18-1.amzn2.0.4.x86\$164  | 
|  python3-3.7.10-1.amzn2.0.1.aarch64  | 
|  python3-3.7.10-1.amzn2.0.1.x86\$164  | 
|  python3-libs-3.7.10-1.amzn2.0.1.aarch64  | 
|  python3-libs-3.7.10-1.amzn2.0.1.x86\$164  | 
|  python3-pip-20.2.2-1.amzn2.0.3.noarch  | 
|  python-devel-2.7.18-1.amzn2.0.4.aarch64  | 
|  python-devel-2.7.18-1.amzn2.0.4.x86\$164  | 
|  python-libs-2.7.18-1.amzn2.0.4.aarch64  | 
|  python-libs-2.7.18-1.amzn2.0.4.x86\$164  | 
|  python-urllib3-1.25.9-1.amzn2.0.1.noarch  | 
|  systemd-219-78.amzn2.0.14.aarch64  | 
|  systemd-219-78.amzn2.0.14.x86\$164  | 
|  systemd-libs-219-78.amzn2.0.14.aarch64  | 
|  systemd-libs-219-78.amzn2.0.14.x86\$164  | 
|  systemd-sysv-219-78.amzn2.0.14.aarch64  | 
|  systemd-sysv-219-78.amzn2.0.14.x86\$164  | 
|  update-motd-1.1.2-2.amzn2.0.2.noarch  | 

## Kernel updates
<a name="kernel-updates-20210617"></a>

Rebase kernel to upstream stable 4.14.232.

Support for Intel IceLake processors.

CVEs fixed:
+ CVE-2021-33200 [out-of-bounds reads and writes due to enforcing incorrect limits for pointer arithmetic operations by BPF verifier]

Amazon Features and Backports:
+ bpf: Wrapps aux data inside bpf\$1sanitize\$1info container 
+ bpf: Fixes mask direction swap upon off reg sign change 
+ bpf: Removes requirement for simulating the speculative domain for immediates 
+ x86/CPU: Adds Icelake model number 
+ perf/x86/intel: Adds Icelake support 
+ perf: Makes perf\$1callchain function static 
+ perf/x86/intel: Now supports PEBS on fixed counters 
+ perf/x86/intel: Introduces PMU flag for Extended PEBS 
+ perf/x86/intel: Fixes unwind errors from PEBS entries (mk-II) 
+ perf/UAPI: Clearly markes \$1\$1PERF\$1SAMPLE\$1CALLCHAIN\$1EARLY as internal use 
+ perf/x86/intel: Doesn't allow precise\$1ip on BTS events 
+ perf/x86/intel/ds: Handles PEBS overflow for fixed counters 
+ perf/x86/intel: Adds extract memory code PEBS parser for reuse 
+ perf/x86/intel/ds: Adds extract code of event update in short period 
+ perf/x86/intel: Adds support adaptive PEBS v4 
+ perf/x86/lbr: Avoids reading the LBRs when adaptive PEBS handles them 
+ perf/x86: Adds support for constraint ranges 
+ perf/x86/intel: Fixes SLOTS PEBS event constraint 
+ perf/x86/intel: Fixes Ice Lake event constraint table 
+ perf/x86/intel: Adds event constraint for CYCLE\$1ACTIVITY.STALLS\$1MEM\$1ANY 
+ perf/x86/intel: Fixes rtm\$1abort\$1event encoding on Ice Lake 
+ x86/CPU: Adds more Icelake model numbers 
+ perf/ring\$1buffer: Fixes AUX software double buffering 
+ perf/x86/intel/pt: Removes software double buffering PMU capability 
+ perf/core: Adds function to test for event exclusion flags 
+ perf/core: Adds PERF\$1PMU\$1CAP\$1NO\$1EXCLUDE for exclusion incapable PMUs 
+ perf/x86/regs: Checks reserved bits 
+ perf/x86: Cleans up PEBS\$1XMM\$1REGS 
+ perf/x86: Removes pmu->pebs\$1no\$1xmm\$1regs 
+ perf/x86/intel: Adds more Icelake CPUIDs 
+ ICX : perf/x86: Disables extended registers for non-supported PMUs 
+ ICX : perf/x86: Adds support for outputting XMM registers 
+ tools x86 uapi asm: Syncs the pt\$1regs.h copy with the kernel sources 
+ perf tools x86: Adds support for recording and printing XMM registers 
+ perf record: Fixes suggestion to get list of registers usable with --user-regs and --intr-regs 
+ perf parse-regs: Improves error output when faced with unknown register name 
+ ena: Update to 2.5.0