Oval Definition:oval:org.opensuse.security:def:5331
Revision Date:2022-08-25Version:1
Title:Security update for java-1_8_0-ibm (Important)
Description:

This update for java-1_8_0-ibm fixes the following issues:

- Update to Java 8.0 Service Refresh 7 Fix Pack 11 (bsc#1202427): - CVE-2022-34169: Fixed an integer truncation issue in the Xalan Java XSLT library that occurred when processing malicious stylesheets (bsc#1201684). - CVE-2022-21549: Fixed an issue that could lead to computing negative random exponentials (bsc#1201685). - CVE-2022-21541: Fixed a potential bypass of sandbox restrictions in the Hotspot component (bsc#1201692). - CVE-2022-21540: Fixed a potential bypass of sandbox restrictions in the Hotspot component (bsc#1201694).
Family:unixClass:patch
Status:Reference(s):1173274
1174157
1175259
1201684
1201685
1201692
1201694
1202427
CVE-2008-5984
CVE-2011-2513
CVE-2011-2514
CVE-2011-3146
CVE-2011-3377
CVE-2012-2738
CVE-2012-3422
CVE-2012-3423
CVE-2012-4540
CVE-2013-1881
CVE-2013-1926
CVE-2013-1927
CVE-2013-1990
CVE-2013-1999
CVE-2013-4349
CVE-2013-6473
CVE-2013-6474
CVE-2013-6475
CVE-2013-6476
CVE-2014-2707
CVE-2014-3248
CVE-2014-4336
CVE-2014-4337
CVE-2014-4338
CVE-2014-4910
CVE-2014-7300
CVE-2014-8484
CVE-2014-8485
CVE-2014-8501
CVE-2014-8502
CVE-2014-8503
CVE-2014-8504
CVE-2014-8737
CVE-2014-8738
CVE-2015-1038
CVE-2015-1191
CVE-2015-2265
CVE-2015-3258
CVE-2015-3279
CVE-2015-3294
CVE-2015-5234
CVE-2015-5235
CVE-2019-17639
CVE-2020-14422
CVE-2020-14556
CVE-2020-14577
CVE-2020-14578
CVE-2020-14579
CVE-2020-14581
CVE-2020-14583
CVE-2020-14593
CVE-2020-14621
CVE-2022-21540
CVE-2022-21541
CVE-2022-21549
CVE-2022-34169
SUSE-SU-2020:1920-1
SUSE-SU-2020:2453-1
SUSE-SU-2022:2899-1
Platform(s):openSUSE 13.1
openSUSE 13.1 NonFree
SUSE Cloud Compute Node for SUSE Linux Enterprise 12 5
SUSE Linux Enterprise Desktop 11 SP2
SUSE Linux Enterprise Desktop 11 SP3
SUSE Linux Enterprise Desktop 11 SP4
SUSE Linux Enterprise Desktop 12 SP1
SUSE Linux Enterprise Desktop 12 SP2
SUSE Linux Enterprise Desktop 12 SP3
SUSE Linux Enterprise Desktop 12 SP4
SUSE Linux Enterprise for SAP 12
SUSE Linux Enterprise for SAP 12 SP1
SUSE Linux Enterprise High Availability 12 SP2
SUSE Linux Enterprise High Performance Computing 12 SP5
SUSE Linux Enterprise Live Patching 12
SUSE Linux Enterprise Live Patching 12 SP3
SUSE Linux Enterprise Module for Advanced Systems Management 12
SUSE Linux Enterprise Module for Containers 12
SUSE Linux Enterprise Module for Legacy Software 12
SUSE Linux Enterprise Module for Public Cloud 12
SUSE Linux Enterprise Module for Web Scripting 12
SUSE Linux Enterprise Point of Sale 12 SP2
SUSE Linux Enterprise Real Time Extension 11 SP3
SUSE Linux Enterprise Real Time Extension 12 SP1
SUSE Linux Enterprise Server 11
SUSE Linux Enterprise Server 11 SP2
SUSE Linux Enterprise Server 11 SP3
SUSE Linux Enterprise Server 11 SP3-LTSS
SUSE Linux Enterprise Server 11 SP4
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server 12 SP1
SUSE Linux Enterprise Server 12 SP2
SUSE Linux Enterprise Server 12 SP3
SUSE Linux Enterprise Server 12 SP4
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 12-LTSS
SUSE Linux Enterprise Server 15-LTSS
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server for SAP Applications 12 SP5
SUSE Linux Enterprise Software Development Kit 11 SP4
SUSE Linux Enterprise Software Development Kit 12 SP2
SUSE Linux Enterprise Software Development Kit 12 SP3
SUSE Linux Enterprise Software Development Kit 12 SP4
SUSE Linux Enterprise Software Development Kit 12 SP5
SUSE Linux Enterprise Workstation Extension 12
SUSE Linux Enterprise Workstation Extension 12 SP1
SUSE Linux Enterprise Workstation Extension 12 SP2
SUSE OpenStack Cloud 5
Product(s):
Definition Synopsis
  • SUSE Linux Enterprise Desktop 11 SP3 is installed
  • AND Package Information
  • gpg2-2.0.9-25.33.41.2 is installed
  • OR gpg2-lang-2.0.9-25.33.41.2 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Desktop 12 SP1 is installed
  • AND binutils-2.25.0-13 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Desktop 12 SP2 is installed
  • AND Package Information
  • dia-0.97.3-15 is installed
  • OR dia-lang-0.97.3-15 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Desktop 12 SP3 is installed
  • AND Package Information
  • aaa_base-13.2+git20140911.61c1681-36 is installed
  • OR aaa_base-extras-13.2+git20140911.61c1681-36 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Desktop 12 SP4 is installed
  • AND Package Information
  • ceph-common-12.2.8+git.1536505967.080f2248ff-2.15 is installed
  • OR libcephfs2-12.2.8+git.1536505967.080f2248ff-2.15 is installed
  • OR librados2-12.2.8+git.1536505967.080f2248ff-2.15 is installed
  • OR libradosstriper1-12.2.8+git.1536505967.080f2248ff-2.15 is installed
  • OR librbd1-12.2.8+git.1536505967.080f2248ff-2.15 is installed
  • OR librgw2-12.2.8+git.1536505967.080f2248ff-2.15 is installed
  • OR python-cephfs-12.2.8+git.1536505967.080f2248ff-2.15 is installed
  • OR python-rados-12.2.8+git.1536505967.080f2248ff-2.15 is installed
  • OR python-rbd-12.2.8+git.1536505967.080f2248ff-2.15 is installed
  • OR python-rgw-12.2.8+git.1536505967.080f2248ff-2.15 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise for SAP 12 is installed
  • AND Package Information
  • kgraft-patch-3_12_51-52_31-default-5-2.2 is installed
  • OR kgraft-patch-3_12_51-52_31-xen-5-2.2 is installed
  • OR kgraft-patch-SLE12_Update_9-5-2.2 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise for SAP 12 SP1 is installed
  • AND Package Information
  • compat-openssl098-0.9.8j-102.1 is installed
  • OR libopenssl0_9_8-0.9.8j-102.1 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise High Availability 12 SP2 is installed
  • AND fence-agents-4.0.22+git.1455008135.15c5e92-8 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise High Performance Computing 12 SP5 is installed
  • AND atftp-0.7.0-160.8 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Live Patching 12 is installed
  • AND Package Information
  • kgraft-patch-4_4_74-92_29-default-4-4 is installed
  • OR kgraft-patch-SLE12-SP2_Update_10-4-4 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Live Patching 12 SP3 is installed
  • AND Package Information
  • kgraft-patch-4_4_82-6_9-default-2-2.1 is installed
  • OR kgraft-patch-SLE12-SP3_Update_3-2-2.1 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Module for Advanced Systems Management 12 is installed
  • AND python-pycrypto-2.6.1-10.3.1 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Module for Containers 12 is installed
  • AND docker-1.6.2-31 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Module for Legacy Software 12 is installed
  • AND Package Information
  • cups154-1.5.4-2 is installed
  • OR cups154-client-1.5.4-2 is installed
  • OR cups154-filters-1.5.4-2 is installed
  • OR cups154-libs-1.5.4-2 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Module for Public Cloud 12 is installed
  • AND python-pycrypto-2.6.1-1 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Module for Web Scripting 12 is installed
  • AND Package Information
  • apache2-mod_php5-5.5.14-22.1 is installed
  • OR php5-5.5.14-22.1 is installed
  • OR php5-bcmath-5.5.14-22.1 is installed
  • OR php5-bz2-5.5.14-22.1 is installed
  • OR php5-calendar-5.5.14-22.1 is installed
  • OR php5-ctype-5.5.14-22.1 is installed
  • OR php5-curl-5.5.14-22.1 is installed
  • OR php5-dba-5.5.14-22.1 is installed
  • OR php5-dom-5.5.14-22.1 is installed
  • OR php5-enchant-5.5.14-22.1 is installed
  • OR php5-exif-5.5.14-22.1 is installed
  • OR php5-fastcgi-5.5.14-22.1 is installed
  • OR php5-fileinfo-5.5.14-22.1 is installed
  • OR php5-fpm-5.5.14-22.1 is installed
  • OR php5-ftp-5.5.14-22.1 is installed
  • OR php5-gd-5.5.14-22.1 is installed
  • OR php5-gettext-5.5.14-22.1 is installed
  • OR php5-gmp-5.5.14-22.1 is installed
  • OR php5-iconv-5.5.14-22.1 is installed
  • OR php5-intl-5.5.14-22.1 is installed
  • OR php5-json-5.5.14-22.1 is installed
  • OR php5-ldap-5.5.14-22.1 is installed
  • OR php5-mbstring-5.5.14-22.1 is installed
  • OR php5-mcrypt-5.5.14-22.1 is installed
  • OR php5-mysql-5.5.14-22.1 is installed
  • OR php5-odbc-5.5.14-22.1 is installed
  • OR php5-openssl-5.5.14-22.1 is installed
  • OR php5-pcntl-5.5.14-22.1 is installed
  • OR php5-pdo-5.5.14-22.1 is installed
  • OR php5-pear-5.5.14-22.1 is installed
  • OR php5-pgsql-5.5.14-22.1 is installed
  • OR php5-pspell-5.5.14-22.1 is installed
  • OR php5-shmop-5.5.14-22.1 is installed
  • OR php5-snmp-5.5.14-22.1 is installed
  • OR php5-soap-5.5.14-22.1 is installed
  • OR php5-sockets-5.5.14-22.1 is installed
  • OR php5-sqlite-5.5.14-22.1 is installed
  • OR php5-suhosin-5.5.14-22.1 is installed
  • OR php5-sysvmsg-5.5.14-22.1 is installed
  • OR php5-sysvsem-5.5.14-22.1 is installed
  • OR php5-sysvshm-5.5.14-22.1 is installed
  • OR php5-tokenizer-5.5.14-22.1 is installed
  • OR php5-wddx-5.5.14-22.1 is installed
  • OR php5-xmlreader-5.5.14-22.1 is installed
  • OR php5-xmlrpc-5.5.14-22.1 is installed
  • OR php5-xmlwriter-5.5.14-22.1 is installed
  • OR php5-xsl-5.5.14-22.1 is installed
  • OR php5-zip-5.5.14-22.1 is installed
  • OR php5-zlib-5.5.14-22.1 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Point of Sale 12 SP2 is installed
  • AND python-pycrypto-2.6.1-10.3.1 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Real Time Extension 11 SP3 is installed
  • AND Package Information
  • kernel-rt-3.0.101.rt130-0.33.40.1 is installed
  • OR kernel-rt-base-3.0.101.rt130-0.33.40.1 is installed
  • OR kernel-rt-devel-3.0.101.rt130-0.33.40.1 is installed
  • OR kernel-rt_trace-3.0.101.rt130-0.33.40.1 is installed
  • OR kernel-rt_trace-base-3.0.101.rt130-0.33.40.1 is installed
  • OR kernel-rt_trace-devel-3.0.101.rt130-0.33.40.1 is installed
  • OR kernel-source-rt-3.0.101.rt130-0.33.40.1 is installed
  • OR kernel-syms-rt-3.0.101.rt130-0.33.40.1 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Real Time Extension 12 SP1 is installed
  • AND Package Information
  • kernel-compute-3.12.69-60.30.1 is installed
  • OR kernel-compute-base-3.12.69-60.30.1 is installed
  • OR kernel-compute-devel-3.12.69-60.30.1 is installed
  • OR kernel-compute_debug-3.12.69-60.30.1 is installed
  • OR kernel-compute_debug-devel-3.12.69-60.30.1 is installed
  • OR kernel-devel-rt-3.12.69-60.30.1 is installed
  • OR kernel-rt-3.12.69-60.30.1 is installed
  • OR kernel-rt-base-3.12.69-60.30.1 is installed
  • OR kernel-rt-devel-3.12.69-60.30.1 is installed
  • OR kernel-rt_debug-3.12.69-60.30.1 is installed
  • OR kernel-rt_debug-devel-3.12.69-60.30.1 is installed
  • OR kernel-source-rt-3.12.69-60.30.1 is installed
  • OR kernel-syms-rt-3.12.69-60.30.1 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Server 11 is installed
  • AND Package Information
  • ghostscript-fonts-other-8.62-32.25.1 is installed
  • OR ghostscript-fonts-rus-8.62-32.25.1 is installed
  • OR ghostscript-fonts-std-8.62-32.25.1 is installed
  • OR ghostscript-library-8.62-32.25.1 is installed
  • OR ghostscript-omni-8.62-32.25.1 is installed
  • OR ghostscript-x11-8.62-32.25.1 is installed
  • OR libgimpprint-4.2.7-32.25.1 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Server 11 SP2 is installed
  • AND Package Information
  • apache2-2.2.12-1.28.1 is installed
  • OR apache2-doc-2.2.12-1.28.1 is installed
  • OR apache2-example-pages-2.2.12-1.28.1 is installed
  • OR apache2-prefork-2.2.12-1.28.1 is installed
  • OR apache2-utils-2.2.12-1.28.1 is installed
  • OR apache2-worker-2.2.12-1.28.1 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Server 11 SP3 is installed
  • AND acpid-1.0.6-91.25.20 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Server 11 SP4 is installed
  • AND Package Information
  • libxcrypt-3.0.3-0.6.1 is installed
  • OR libxcrypt-32bit-3.0.3-0.6.1 is installed
  • OR libxcrypt-x86-3.0.3-0.6.1 is installed
  • OR pam-modules-11-1.25.26 is installed
  • OR pam-modules-32bit-11-1.25.26 is installed
  • OR pam-modules-x86-11-1.25.26 is installed
  • OR pwdutils-3.2.15-0.17.28 is installed
  • OR pwdutils-plugin-audit-3.2.15-0.17.28 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Server 12 is installed
  • AND apache-commons-httpclient-3.1-4 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Server 12 SP1 is installed
  • AND ant-1.9.4-1 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Server 12 SP2 is installed
  • AND libtcnative-1-0-1.1.34-12.1 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Server 12 SP3 is installed
  • AND Package Information
  • java-1_7_0-openjdk-1.7.0.141-42 is installed
  • OR java-1_7_0-openjdk-demo-1.7.0.141-42 is installed
  • OR java-1_7_0-openjdk-devel-1.7.0.141-42 is installed
  • OR java-1_7_0-openjdk-headless-1.7.0.141-42 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Server 12 SP4 is installed
  • AND Package Information
  • accountsservice-0.6.42-16.3 is installed
  • OR accountsservice-lang-0.6.42-16.3 is installed
  • OR libaccountsservice0-0.6.42-16.3 is installed
  • OR typelib-1_0-AccountsService-1_0-0.6.42-16.3 is installed
    • Definition Synopsis
  • Release Information
  • SUSE Linux Enterprise Server 12 SP5 is installed
  • OR SUSE Linux Enterprise Server for SAP Applications 12 SP5 is installed
  • OR SUSE Linux Enterprise Software Development Kit 12 SP5 is installed
  • AND java-1_8_0-ibm-devel-1.8.0_sr7.11-30.93.1 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Server 12-LTSS is installed
  • AND Package Information
  • kgraft-patch-3_12_60-52_57-default-3-2.1 is installed
  • OR kgraft-patch-3_12_60-52_57-xen-3-2.1 is installed
  • OR kgraft-patch-SLE12_Update_16-3-2.1 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Server 15-LTSS is installed
  • AND python-ipaddress-1.0.18-3.3 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 is installed
  • AND cifs-utils-6.5-8 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Server for SAP Applications 12 is installed
  • AND Package Information
  • libgudev-1_0-0-210-70.58 is installed
  • OR libgudev-1_0-0-32bit-210-70.58 is installed
  • OR libudev1-210-70.58 is installed
  • OR libudev1-32bit-210-70.58 is installed
  • OR systemd-210-70.58 is installed
  • OR systemd-32bit-210-70.58 is installed
  • OR systemd-bash-completion-210-70.58 is installed
  • OR systemd-sysvinit-210-70.58 is installed
  • OR udev-210-70.58 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Software Development Kit 11 SP4 is installed
  • AND a2ps-devel-4.13-1326.37.1 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Software Development Kit 12 SP2 is installed
  • AND Package Information
  • firebird-classic-2.5.2.26539-15.1 is installed
  • OR libfbembed-devel-2.5.2.26539-15.1 is installed
  • OR libfbembed2_5-2.5.2.26539-15.1 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Software Development Kit 12 SP3 is installed
  • AND aaa_base-malloccheck-13.2+git20140911.61c1681-36 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Software Development Kit 12 SP4 is installed
  • AND Package Information
  • ImageMagick-6.8.8.1-71.85 is installed
  • OR ImageMagick-devel-6.8.8.1-71.85 is installed
  • OR libMagick++-6_Q16-3-6.8.8.1-71.85 is installed
  • OR libMagick++-devel-6.8.8.1-71.85 is installed
  • OR perl-PerlMagick-6.8.8.1-71.85 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Workstation Extension 12 is installed
  • AND Package Information
  • libreoffice-4.3.3.2-6.1 is installed
  • OR libreoffice-base-4.3.3.2-6.1 is installed
  • OR libreoffice-base-drivers-mysql-4.3.3.2-6.1 is installed
  • OR libreoffice-base-drivers-postgresql-4.3.3.2-6.1 is installed
  • OR libreoffice-calc-4.3.3.2-6.1 is installed
  • OR libreoffice-calc-extensions-4.3.3.2-6.1 is installed
  • OR libreoffice-draw-4.3.3.2-6.1 is installed
  • OR libreoffice-filters-optional-4.3.3.2-6.1 is installed
  • OR libreoffice-gnome-4.3.3.2-6.1 is installed
  • OR libreoffice-icon-theme-tango-4.3.3.2-6.1 is installed
  • OR libreoffice-impress-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-af-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-ar-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-ca-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-cs-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-da-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-de-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-en-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-es-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-fi-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-fr-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-gu-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-hi-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-hu-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-it-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-ja-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-ko-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-nb-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-nl-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-nn-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-pl-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-pt-BR-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-pt-PT-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-ru-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-sk-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-sv-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-xh-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-zh-Hans-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-zh-Hant-4.3.3.2-6.1 is installed
  • OR libreoffice-l10n-zu-4.3.3.2-6.1 is installed
  • OR libreoffice-mailmerge-4.3.3.2-6.1 is installed
  • OR libreoffice-math-4.3.3.2-6.1 is installed
  • OR libreoffice-officebean-4.3.3.2-6.1 is installed
  • OR libreoffice-pyuno-4.3.3.2-6.1 is installed
  • OR libreoffice-writer-4.3.3.2-6.1 is installed
  • OR libreoffice-writer-extensions-4.3.3.2-6.1 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Workstation Extension 12 SP1 is installed
  • AND Package Information
  • libcares2-1.9.1-5.1 is installed
  • OR libcares2-32bit-1.9.1-5.1 is installed
    • Definition Synopsis
  • SUSE Linux Enterprise Workstation Extension 12 SP2 is installed
  • AND Package Information
  • ImageMagick-6.8.8.1-59.1 is installed
  • OR libMagick++-6_Q16-3-6.8.8.1-59.1 is installed
  • OR libMagickCore-6_Q16-1-32bit-6.8.8.1-59.1 is installed
    • BACK