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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.3917 kernel security update 17 November 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel Publisher: Red Hat Operating System: Red Hat Impact/Access: Increased Privileges -- Existing Account Denial of Service -- Existing Account Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-36385 Reference: ESB-2021.3661 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:4687 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security update Advisory ID: RHSA-2021:4687-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:4687 Issue date: 2021-11-16 CVE Names: CVE-2020-36385 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. 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 CodeReady Linux Builder EUS (v. 8.1) - aarch64, ppc64le, x86_64 Red Hat Enterprise Linux BaseOS EUS (v. 8.1) - aarch64, noarch, ppc64le, s390x, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free (CVE-2020-36385) 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. 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/): 1974319 - CVE-2020-36385 kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free 6. Package List: Red Hat Enterprise Linux BaseOS EUS (v. 8.1): Source: kernel-4.18.0-147.57.1.el8_1.src.rpm aarch64: bpftool-4.18.0-147.57.1.el8_1.aarch64.rpm bpftool-debuginfo-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-core-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-cross-headers-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-debug-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-debug-core-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-debug-debuginfo-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-debug-devel-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-debug-modules-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-debug-modules-extra-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-debuginfo-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-devel-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-headers-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-modules-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-modules-extra-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-tools-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-tools-debuginfo-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-tools-libs-4.18.0-147.57.1.el8_1.aarch64.rpm perf-4.18.0-147.57.1.el8_1.aarch64.rpm perf-debuginfo-4.18.0-147.57.1.el8_1.aarch64.rpm python3-perf-4.18.0-147.57.1.el8_1.aarch64.rpm python3-perf-debuginfo-4.18.0-147.57.1.el8_1.aarch64.rpm noarch: kernel-abi-whitelists-4.18.0-147.57.1.el8_1.noarch.rpm kernel-doc-4.18.0-147.57.1.el8_1.noarch.rpm ppc64le: bpftool-4.18.0-147.57.1.el8_1.ppc64le.rpm bpftool-debuginfo-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-core-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-cross-headers-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-debug-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-debug-core-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-debug-debuginfo-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-debug-devel-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-debug-modules-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-debug-modules-extra-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-debuginfo-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-devel-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-headers-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-modules-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-modules-extra-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-tools-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-tools-debuginfo-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-tools-libs-4.18.0-147.57.1.el8_1.ppc64le.rpm perf-4.18.0-147.57.1.el8_1.ppc64le.rpm perf-debuginfo-4.18.0-147.57.1.el8_1.ppc64le.rpm python3-perf-4.18.0-147.57.1.el8_1.ppc64le.rpm python3-perf-debuginfo-4.18.0-147.57.1.el8_1.ppc64le.rpm s390x: bpftool-4.18.0-147.57.1.el8_1.s390x.rpm bpftool-debuginfo-4.18.0-147.57.1.el8_1.s390x.rpm kernel-4.18.0-147.57.1.el8_1.s390x.rpm kernel-core-4.18.0-147.57.1.el8_1.s390x.rpm kernel-cross-headers-4.18.0-147.57.1.el8_1.s390x.rpm kernel-debug-4.18.0-147.57.1.el8_1.s390x.rpm kernel-debug-core-4.18.0-147.57.1.el8_1.s390x.rpm kernel-debug-debuginfo-4.18.0-147.57.1.el8_1.s390x.rpm kernel-debug-devel-4.18.0-147.57.1.el8_1.s390x.rpm kernel-debug-modules-4.18.0-147.57.1.el8_1.s390x.rpm kernel-debug-modules-extra-4.18.0-147.57.1.el8_1.s390x.rpm kernel-debuginfo-4.18.0-147.57.1.el8_1.s390x.rpm kernel-debuginfo-common-s390x-4.18.0-147.57.1.el8_1.s390x.rpm kernel-devel-4.18.0-147.57.1.el8_1.s390x.rpm kernel-headers-4.18.0-147.57.1.el8_1.s390x.rpm kernel-modules-4.18.0-147.57.1.el8_1.s390x.rpm kernel-modules-extra-4.18.0-147.57.1.el8_1.s390x.rpm kernel-tools-4.18.0-147.57.1.el8_1.s390x.rpm kernel-tools-debuginfo-4.18.0-147.57.1.el8_1.s390x.rpm kernel-zfcpdump-4.18.0-147.57.1.el8_1.s390x.rpm kernel-zfcpdump-core-4.18.0-147.57.1.el8_1.s390x.rpm kernel-zfcpdump-debuginfo-4.18.0-147.57.1.el8_1.s390x.rpm kernel-zfcpdump-devel-4.18.0-147.57.1.el8_1.s390x.rpm kernel-zfcpdump-modules-4.18.0-147.57.1.el8_1.s390x.rpm kernel-zfcpdump-modules-extra-4.18.0-147.57.1.el8_1.s390x.rpm perf-4.18.0-147.57.1.el8_1.s390x.rpm perf-debuginfo-4.18.0-147.57.1.el8_1.s390x.rpm python3-perf-4.18.0-147.57.1.el8_1.s390x.rpm python3-perf-debuginfo-4.18.0-147.57.1.el8_1.s390x.rpm x86_64: bpftool-4.18.0-147.57.1.el8_1.x86_64.rpm bpftool-debuginfo-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-core-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-cross-headers-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-debug-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-debug-core-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-debug-debuginfo-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-debug-devel-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-debug-modules-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-debug-modules-extra-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-debuginfo-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-devel-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-headers-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-modules-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-modules-extra-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-tools-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-tools-debuginfo-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-tools-libs-4.18.0-147.57.1.el8_1.x86_64.rpm perf-4.18.0-147.57.1.el8_1.x86_64.rpm perf-debuginfo-4.18.0-147.57.1.el8_1.x86_64.rpm python3-perf-4.18.0-147.57.1.el8_1.x86_64.rpm python3-perf-debuginfo-4.18.0-147.57.1.el8_1.x86_64.rpm Red Hat CodeReady Linux Builder EUS (v. 8.1): aarch64: bpftool-debuginfo-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-debug-debuginfo-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-debuginfo-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-tools-debuginfo-4.18.0-147.57.1.el8_1.aarch64.rpm kernel-tools-libs-devel-4.18.0-147.57.1.el8_1.aarch64.rpm perf-debuginfo-4.18.0-147.57.1.el8_1.aarch64.rpm python3-perf-debuginfo-4.18.0-147.57.1.el8_1.aarch64.rpm ppc64le: bpftool-debuginfo-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-debug-debuginfo-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-debuginfo-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-tools-debuginfo-4.18.0-147.57.1.el8_1.ppc64le.rpm kernel-tools-libs-devel-4.18.0-147.57.1.el8_1.ppc64le.rpm perf-debuginfo-4.18.0-147.57.1.el8_1.ppc64le.rpm python3-perf-debuginfo-4.18.0-147.57.1.el8_1.ppc64le.rpm x86_64: bpftool-debuginfo-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-debug-debuginfo-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-debuginfo-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-tools-debuginfo-4.18.0-147.57.1.el8_1.x86_64.rpm kernel-tools-libs-devel-4.18.0-147.57.1.el8_1.x86_64.rpm perf-debuginfo-4.18.0-147.57.1.el8_1.x86_64.rpm python3-perf-debuginfo-4.18.0-147.57.1.el8_1.x86_64.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-2020-36385 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYZPC/9zjgjWX9erEAQh8YRAAjMfE5QO4/Adwuw/ToJ5BPwmaeHexklCX ExTCVD4iNn4W2RsublpmyquG1qvlR9IIU4mA8qey7OAQbnTlI9HgJ8Z56UmLissY IDwwOzeJKbLBsxISiZz6vFVbhOf88K4ImrAKGzaFD+W+iNeQsMn9lHNm06IGbo83 bYM3VzMn4BF0t0wKqbQc0H3nvLjRbs4+ea2Fr2PBgy+W4pK69p+zk3kA94klb+LL 2f8+Nrj9xspKWhRghLBwdv4nketdfk/IepuVAFfOecMq0S6H0z9mSOWecIJGWY+I Kx2WCon+upyHTG3ZSEbsODAmygV6aGxZYoMyJqmNGOUU5zvs4jaOvAXFxWtWWU+O 68hyla+7ZahJi2OPNE/6ClhzzaAEp+jv9voK+B/l3Lx5VOmSNwcL0+Vzls6vKemN n/TBREGoXtiVIu6RAOBZ80TOlpO0SC8QaSlELNfljkE2kwzkJhre/HVCubEdMDDI FyoO4k9QY2EDeeeZip04JQutrVk7P838PBoy7HEGjufGonWXxXsy56sWeUbRCSRq v1lq9efoM5fe8Xkd+OSNnuJ4KwSWJOmFRC1bNUq1Uztconb4o8M22gHaaFZ5bkZz 8eslpR2IJTVZEsiSE9Gjcim+UGoSj+RNauCcG7K17/gFcj7uFsc420u/aAZHKdXO dgoGcpS3K/g= =CzSG - -----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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