# Amazon Linux 2 version 2.0.20211005.0 release notes
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These are the release notes for Amazon Linux 2 version 2.0.20211005.0.

## Major updates
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None.

## Package updates
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Amazon Linux 2 includes the following packages.


| Packages | 
| --- | 
|  amazon-linux-extras-2.0.1-1.amzn2.noarch  | 
|  amazon-linux-extras-yum-plugin-2.0.1-1.amzn2.noarch  | 
|  dmidecode-3.2-5.amzn2.1.aarch64  | 
|  dmidecode-3.2-5.amzn2.1.x86\$164  | 
|  glib2-2.56.1-9.amzn2.0.2.aarch64  | 
|  glib2-2.56.1-9.amzn2.0.2.x86\$164  | 
|  glibc-2.26-55.amzn2.aarch64  | 
|  glibc-2.26-55.amzn2.x86\$164  | 
|  glibc-all-langpacks-2.26-55.amzn2.aarch64  | 
|  glibc-all-langpacks-2.26-55.amzn2.x86\$164  | 
|  glibc-common-2.26-55.amzn2.aarch64  | 
|  glibc-common-2.26-55.amzn2.x86\$164  | 
|  glibc-devel-2.26-55.amzn2.x86\$164  | 
|  glibc-headers-2.26-55.amzn2.x86\$164  | 
|  glibc-langpack-en-2.26-55.amzn2.aarch64  | 
|  glibc-langpack-en-2.26-55.amzn2.x86\$164  | 
|  glibc-locale-source-2.26-55.amzn2.aarch64  | 
|  glibc-locale-source-2.26-55.amzn2.x86\$164  | 
|  glibc-minimal-langpack-2.26-55.amzn2.aarch64  | 
|  glibc-minimal-langpack-2.26-55.amzn2.x86\$164  | 
|  grubby-8.28-23.amzn2.0.3.aarch64  | 
|  grubby-8.28-23.amzn2.0.3.x86\$164  | 
|  kernel-4.14.248-189.473.amzn2.aarch64  | 
|  kernel-4.14.248-189.473.amzn2.x86\$164  | 
|  kernel-devel-4.14.248-189.473.amzn2.x86\$164  | 
|  kernel-headers-4.14.248-189.473.amzn2.x86\$164  | 
|  kernel-tools-4.14.248-189.473.amzn2.aarch64  | 
|  kernel-tools-4.14.248-189.473.amzn2.x86\$164  | 
|  libcrypt-2.26-55.amzn2.aarch64  | 
|  libcrypt-2.26-55.amzn2.x86\$164  | 
|  libsss\$1idmap-1.16.5-10.amzn2.10.aarch64  | 
|  libsss\$1idmap-1.16.5-10.amzn2.10.x86\$164  | 
|  libsss\$1nss\$1idmap-1.16.5-10.amzn2.10.aarch64  | 

## Kernel updates
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Rebase kernel to upstream stable 4.14.252.

CVEs fixed:
+ CVE-2020-16119 [dccp: don't duplicate ccid when cloning dccp sock]
+ CVE-2021-40490 [ext4: fix race writing to an inline\$1data file while its xattrs are changing]
+ CVE-2021-42252 [soc: aspeed: lpc-ctrl: Fix boundary check for mmap]

Other Fixes:
+ mm/kmemleak.c: Makes cond\$1resched() rate-limiting more efficient
+ mm/page\$1alloc: Speeds up the iteration of max\$1order
+ tcp: seq\$1file: Avoids skipping sk during tcp\$1seek\$1last\$1pos
+ KVM: x86: Updates vCPU's hv\$1clock before back to guest when tsc\$1offset is adjusted
+ cifs: Fixes wrong release in sess\$1alloc\$1buffer() failed path
+ rcu: Fixes missed wakeup of exp\$1wq waiters