Amazon Linux 2 version 2.0.20210617.0 release notes - Amazon Linux 2

Amazon Linux 2 version 2.0.20210617.0 release notes

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

Major updates

None.

Package updates

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_64

bind-libs-9.11.4-26.P2.amzn2.5.2.aarch64

bind-libs-9.11.4-26.P2.amzn2.5.2.x86_64

bind-libs-lite-9.11.4-26.P2.amzn2.5.2.aarch64

bind-libs-lite-9.11.4-26.P2.amzn2.5.2.x86_64

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_64

bzip2-1.0.6-13.amzn2.0.3.aarch64

bzip2-1.0.6-13.amzn2.0.3.x86_64

bzip2-libs-1.0.6-13.amzn2.0.3.aarch64

bzip2-libs-1.0.6-13.amzn2.0.3.x86_64

cloud-init-19.3-44.amzn2.noarch

cpp-7.3.1-13.amzn2.x86_64

curl-7.61.1-12.amzn2.0.4.aarch64

curl-7.61.1-12.amzn2.0.4.x86_64

dhclient-4.2.5-77.amzn2.1.3.aarch64

dhclient-4.2.5-77.amzn2.1.3.x86_64

dhcp-common-4.2.5-77.amzn2.1.3.aarch64

dhcp-common-4.2.5-77.amzn2.1.3.x86_64

dhcp-libs-4.2.5-77.amzn2.1.3.aarch64

dhcp-libs-4.2.5-77.amzn2.1.3.x86_64

dracut-config-ec2-2.0-1.amzn2.noarch

gcc-7.3.1-13.amzn2.x86_64

gcc-c-7.3.1-13.amzn2.x86_64

glib2-2.56.1-9.amzn2.0.1.aarch64

glib2-2.56.1-9.amzn2.0.1.x86_64

glibc-2.26-47.amzn2.aarch64

glibc-2.26-47.amzn2.x86_64

glibc-all-langpacks-2.26-47.amzn2.aarch64

glibc-all-langpacks-2.26-47.amzn2.x86_64

glibc-common-2.26-47.amzn2.aarch64

glibc-common-2.26-47.amzn2.x86_64

glibc-devel-2.26-47.amzn2.x86_64

glibc-headers-2.26-47.amzn2.x86_64

glibc-langpack-en-2.26-47.amzn2.aarch64

glibc-langpack-en-2.26-47.amzn2.x86_64

glibc-locale-source-2.26-47.amzn2.aarch64

glibc-locale-source-2.26-47.amzn2.x86_64

glibc-minimal-langpack-2.26-47.amzn2.aarch64

glibc-minimal-langpack-2.26-47.amzn2.x86_64

kernel-4.14.232-177.418.amzn2.aarch64

kernel-4.14.232-177.418.amzn2.x86_64

kernel-devel-4.14.232-177.418.amzn2.x86_64

kernel-headers-4.14.232-177.418.amzn2.x86_64

kernel-tools-4.14.232-177.418.amzn2.aarch64

kernel-tools-4.14.232-177.418.amzn2.x86_64

libatomic-7.3.1-13.amzn2.x86_64

libcilkrts-7.3.1-13.amzn2.x86_64

libcrypt-2.26-47.amzn2.aarch64

libcrypt-2.26-47.amzn2.x86_64

libcurl-7.61.1-12.amzn2.0.4.aarch64

libcurl-7.61.1-12.amzn2.0.4.x86_64

libgcc-7.3.1-13.amzn2.aarch64

libgcc-7.3.1-13.amzn2.x86_64

libgomp-7.3.1-13.amzn2.aarch64

libgomp-7.3.1-13.amzn2.x86_64

libitm-7.3.1-13.amzn2.x86_64

libmpx-7.3.1-13.amzn2.x86_64

libquadmath-7.3.1-13.amzn2.x86_64

libsanitizer-7.3.1-13.amzn2.x86_64

libstdc-7.3.1-13.amzn2.aarch64

libstdc-7.3.1-13.amzn2.x86_64

libX11-1.6.7-3.amzn2.0.1.x86_64

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_64

libxml2-python-2.9.1-6.amzn2.5.3.aarch64

libxml2-python-2.9.1-6.amzn2.5.3.x86_64

microcode_ctl-2.1-47.amzn2.0.9.x86_64

nss-3.53.1-7.amzn2.aarch64

nss-3.53.1-7.amzn2.x86_64

nss-sysinit-3.53.1-7.amzn2.aarch64

nss-sysinit-3.53.1-7.amzn2.x86_64

nss-tools-3.53.1-7.amzn2.aarch64

nss-tools-3.53.1-7.amzn2.x86_64

openldap-2.4.44-23.amzn2.0.1.aarch64

openldap-2.4.44-23.amzn2.0.1.x86_64

python-2.7.18-1.amzn2.0.4.aarch64

python-2.7.18-1.amzn2.0.4.x86_64

python3-3.7.10-1.amzn2.0.1.aarch64

python3-3.7.10-1.amzn2.0.1.x86_64

python3-libs-3.7.10-1.amzn2.0.1.aarch64

python3-libs-3.7.10-1.amzn2.0.1.x86_64

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_64

python-libs-2.7.18-1.amzn2.0.4.aarch64

python-libs-2.7.18-1.amzn2.0.4.x86_64

python-urllib3-1.25.9-1.amzn2.0.1.noarch

systemd-219-78.amzn2.0.14.aarch64

systemd-219-78.amzn2.0.14.x86_64

systemd-libs-219-78.amzn2.0.14.aarch64

systemd-libs-219-78.amzn2.0.14.x86_64

systemd-sysv-219-78.amzn2.0.14.aarch64

systemd-sysv-219-78.amzn2.0.14.x86_64

update-motd-1.1.2-2.amzn2.0.2.noarch

Kernel updates

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_sanitize_info 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_callchain 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 __PERF_SAMPLE_CALLCHAIN_EARLY as internal use

  • perf/x86/intel: Doesn't allow precise_ip 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_ACTIVITY.STALLS_MEM_ANY

  • perf/x86/intel: Fixes rtm_abort_event encoding on Ice Lake

  • x86/CPU: Adds more Icelake model numbers

  • perf/ring_buffer: 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_PMU_CAP_NO_EXCLUDE for exclusion incapable PMUs

  • perf/x86/regs: Checks reserved bits

  • perf/x86: Cleans up PEBS_XMM_REGS

  • perf/x86: Removes pmu->pebs_no_xmm_regs

  • 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_regs.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