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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.4003 kernel-alt security and bug fix update 11 November 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel-alt Publisher: Red Hat Operating System: Red Hat Impact/Access: Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-25641 Reference: ESB-2020.3936 ESB-2020.3888 ESB-2020.3775 ESB-2020.3669 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:5079 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: kernel-alt security and bug fix update Advisory ID: RHSA-2020:5079-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:5079 Issue date: 2020-11-10 CVE Names: CVE-2020-25641 ===================================================================== 1. Summary: An update for kernel-alt is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, noarch, ppc64le, s390x Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, noarch, ppc64le 3. Description: The kernel-alt packages provide the Linux kernel version 4.x. Security Fix(es): * kernel: soft-lockups in iov_iter_copy_from_user_atomic() could result in DoS (CVE-2020-25641) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Bug Fix(es): * RHEL-Alt-7.6 - kernel "Oops: Kernel access of bad area" in crypto_unregister_instance while running LTP testcase crypto_user02 (BZ#1882230) 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 1881424 - CVE-2020-25641 kernel: soft-lockups in iov_iter_copy_from_user_atomic() could result in DoS 6. Package List: Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7): Source: kernel-alt-4.14.0-115.33.1.el7a.src.rpm aarch64: kernel-4.14.0-115.33.1.el7a.aarch64.rpm kernel-debug-4.14.0-115.33.1.el7a.aarch64.rpm kernel-debug-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm kernel-debug-devel-4.14.0-115.33.1.el7a.aarch64.rpm kernel-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm kernel-debuginfo-common-aarch64-4.14.0-115.33.1.el7a.aarch64.rpm kernel-devel-4.14.0-115.33.1.el7a.aarch64.rpm kernel-headers-4.14.0-115.33.1.el7a.aarch64.rpm kernel-tools-4.14.0-115.33.1.el7a.aarch64.rpm kernel-tools-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm kernel-tools-libs-4.14.0-115.33.1.el7a.aarch64.rpm perf-4.14.0-115.33.1.el7a.aarch64.rpm perf-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm python-perf-4.14.0-115.33.1.el7a.aarch64.rpm python-perf-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm noarch: kernel-abi-whitelists-4.14.0-115.33.1.el7a.noarch.rpm kernel-doc-4.14.0-115.33.1.el7a.noarch.rpm ppc64le: kernel-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-bootwrapper-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-debug-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-debug-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-devel-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-headers-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-tools-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-tools-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-tools-libs-4.14.0-115.33.1.el7a.ppc64le.rpm perf-4.14.0-115.33.1.el7a.ppc64le.rpm perf-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm python-perf-4.14.0-115.33.1.el7a.ppc64le.rpm python-perf-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm s390x: kernel-4.14.0-115.33.1.el7a.s390x.rpm kernel-debug-4.14.0-115.33.1.el7a.s390x.rpm kernel-debug-debuginfo-4.14.0-115.33.1.el7a.s390x.rpm kernel-debug-devel-4.14.0-115.33.1.el7a.s390x.rpm kernel-debuginfo-4.14.0-115.33.1.el7a.s390x.rpm kernel-debuginfo-common-s390x-4.14.0-115.33.1.el7a.s390x.rpm kernel-devel-4.14.0-115.33.1.el7a.s390x.rpm kernel-headers-4.14.0-115.33.1.el7a.s390x.rpm kernel-kdump-4.14.0-115.33.1.el7a.s390x.rpm kernel-kdump-debuginfo-4.14.0-115.33.1.el7a.s390x.rpm kernel-kdump-devel-4.14.0-115.33.1.el7a.s390x.rpm perf-4.14.0-115.33.1.el7a.s390x.rpm perf-debuginfo-4.14.0-115.33.1.el7a.s390x.rpm python-perf-4.14.0-115.33.1.el7a.s390x.rpm python-perf-debuginfo-4.14.0-115.33.1.el7a.s390x.rpm Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7): aarch64: kernel-debug-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm kernel-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm kernel-debuginfo-common-aarch64-4.14.0-115.33.1.el7a.aarch64.rpm kernel-tools-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm kernel-tools-libs-devel-4.14.0-115.33.1.el7a.aarch64.rpm perf-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm python-perf-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm noarch: kernel-doc-4.14.0-115.33.1.el7a.noarch.rpm ppc64le: kernel-debug-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-debug-devel-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-tools-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-tools-libs-devel-4.14.0-115.33.1.el7a.ppc64le.rpm perf-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm python-perf-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2020-25641 https://access.redhat.com/security/updates/classification/#moderate 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBX6rW19zjgjWX9erEAQgkQQ/+IAC7Euwt1OQFwUbKO3OcEyQk0j0Ni4Ug 3qbX3AScohm1X4aOVAlF3lSYsTlPigW2kHWNqSpDmWnmeamSV0JRiGhoXCF39chq aZR9T5QLVgeyo7bstos65FEinDyH2L/JxPRB6ApwgPi/wf00iL2IY82DMqXlzCei WiFmkrQhXIGwB1toXRKF9EMHzKaEpdiJuL9PpsjA9MpAbpPFvU7HqOfyVhT0Ck60 K1fkq8s5s/MQ/cK5aWvx5TJK0p7fxQR3go0KfYcV2jZGXvgQWuxRC/iFvk3xzTjd 7RU+Sv8A1rgwDT0anv5ujjiOdAObrcEQJKJ3ZU3eFE5+DjI4VZ8Axo9xBhxL7u5M sYQkTMnE04r/9AvJWNXTAsAEk6Vgh3fY7PMId5NmjO/3JuFhI860fYKBiA6eLZdt aZ3isVky3L3haYiFxGkn1PZZdafS6bUBt+pZlwpfMuVqnNMRizaXZ4JxMHfMDji2 A9s9zdeRsQkrcbRsGLij4b+QW5mx3pwYPeOsN2uq9H+JrxOECEzf3KMFCS+1fHsi cMFHCENSpFvYcbp6s7L3eDjtIZNgvr8FboXDdeAyfbA9DFqvPu4TXT4ULzFoPbui A2+R4f6/tIxXuVCQuyIsYmrNpxrMb/otkUGWdzlbLjt4lpM/3m0qmb7iwj5QvFxe okATmlTSCJs= =Ulrl - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBX6t/UONLKJtyKPYoAQikHg//cw0ZGnY1aUAGVD+TAFW5h7uG3uktQTYc B6sMd13QhVzeGM6GUMkpHg4uoD36/H5bx0mHmvSgIGoQQg7BMOr10mjTxs3JbZw5 CfO0PFoU9khT8kH3vJwqKanZ3+P9l74naBDF6COHfdjonDCfXbccQIxEQuQzRKXn zG8gjW7tEex4lGopWvjRjEOXD1tNvbsGmPx+pGxaTG30kAGCSdTPwuaxZATwROIh uLp7RX81jS4UK181p50XDgZAk41mknMLOsNw0Yi/bHXwB1WuVA246fNAdM/7V1ud pJR7VKHLkyQom61Q8fz2OI806NPEAJ+ayttz9zZm/nJOWd8WYN+nNyhN1xMJ/JDh Bp9UmLqJjd4Xf+Fpgz5pQRuU5Ed5ykDzMbBhrJ/a13IKjzwkPLDkTh0FakJEACc9 FRqIDnIsCuMM2skjTuJHlDzDv3gcVPsQhSYkb91L83QZnwxEa8hfJNWZigzhB8Rg Ioq5PGwm2Mk8mOQDs+B6jJ16jUVcMnkSL9gW61nc8jaJ4zKKZTR/iNJuGxPfSDxF zM2H6C1Hs/jlbYCFZubmW3W7qLTfjFAfmBryw5q2rxR9FweJqAwLaHWwOCVcJLz0 l6DXWTXY/MXXAXLIMjizbQ/0E4WE+di21YHayaJQW64vITkRPAYeuwYefSMfXOlK QFrkyJL71M4= =eW2v -----END PGP SIGNATURE-----