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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.4030 kpatch-patch security update 1 December 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kpatch-patch Publisher: Red Hat Operating System: Red Hat Impact/Access: Increased Privileges -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-36385 Reference: ESB-2021.3844 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:4859 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2021:4859-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:4859 Issue date: 2021-11-30 CVE Names: CVE-2020-36385 ===================================================================== 1. Summary: An update is now available for Red Hat Enterprise Linux 8.2 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 Enterprise Linux BaseOS EUS (v. 8.2) - ppc64le, x86_64 3. Description: This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. 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 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. 8.2): Source: kpatch-patch-4_18_0-193_37_1-1-11.el8_2.src.rpm kpatch-patch-4_18_0-193_40_1-1-11.el8_2.src.rpm kpatch-patch-4_18_0-193_41_1-1-11.el8_2.src.rpm kpatch-patch-4_18_0-193_46_1-1-8.el8_2.src.rpm kpatch-patch-4_18_0-193_47_1-1-8.el8_2.src.rpm kpatch-patch-4_18_0-193_51_1-1-5.el8_2.src.rpm kpatch-patch-4_18_0-193_56_1-1-4.el8_2.src.rpm kpatch-patch-4_18_0-193_60_2-1-3.el8_2.src.rpm kpatch-patch-4_18_0-193_64_1-1-2.el8_2.src.rpm kpatch-patch-4_18_0-193_65_2-1-1.el8_2.src.rpm kpatch-patch-4_18_0-193_68_1-1-1.el8_2.src.rpm ppc64le: kpatch-patch-4_18_0-193_37_1-1-11.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_37_1-debuginfo-1-11.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_37_1-debugsource-1-11.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_40_1-1-11.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_40_1-debuginfo-1-11.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_40_1-debugsource-1-11.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_41_1-1-11.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_41_1-debuginfo-1-11.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_41_1-debugsource-1-11.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_46_1-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_46_1-debuginfo-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_46_1-debugsource-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_47_1-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_47_1-debuginfo-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_47_1-debugsource-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_51_1-1-5.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_51_1-debuginfo-1-5.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_51_1-debugsource-1-5.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_56_1-1-4.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_56_1-debuginfo-1-4.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_56_1-debugsource-1-4.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_60_2-1-3.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_60_2-debuginfo-1-3.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_60_2-debugsource-1-3.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_64_1-1-2.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_64_1-debuginfo-1-2.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_64_1-debugsource-1-2.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_65_2-1-1.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_65_2-debuginfo-1-1.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_65_2-debugsource-1-1.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_68_1-1-1.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_68_1-debuginfo-1-1.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_68_1-debugsource-1-1.el8_2.ppc64le.rpm x86_64: kpatch-patch-4_18_0-193_37_1-1-11.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_37_1-debuginfo-1-11.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_37_1-debugsource-1-11.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_40_1-1-11.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_40_1-debuginfo-1-11.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_40_1-debugsource-1-11.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_41_1-1-11.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_41_1-debuginfo-1-11.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_41_1-debugsource-1-11.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_46_1-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_46_1-debuginfo-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_46_1-debugsource-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_47_1-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_47_1-debuginfo-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_47_1-debugsource-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_51_1-1-5.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_51_1-debuginfo-1-5.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_51_1-debugsource-1-5.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_56_1-1-4.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_56_1-debuginfo-1-4.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_56_1-debugsource-1-4.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_60_2-1-3.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_60_2-debuginfo-1-3.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_60_2-debugsource-1-3.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_64_1-1-2.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_64_1-debuginfo-1-2.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_64_1-debugsource-1-2.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_65_2-1-1.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_65_2-debuginfo-1-1.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_65_2-debugsource-1-1.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_68_1-1-1.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_68_1-debuginfo-1-1.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_68_1-debugsource-1-1.el8_2.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 iQIVAwUBYaaModzjgjWX9erEAQiYMA/+I4r2K05IeankszB3GtnlQsUvLb5sPeGx wP+kMq5/PKpIJO1GTO71iG90VkoAsLdBCQlnbQv4kR623nUOu2MGUADkLxo4t7os Wa8izhR+vHRmWlxZa1N8dPFOuA4N60c8e9MN4fRF56RnIZg69vaqryOljEPOFvXI g/baseDfgbSz/WRDXo5pkxXY+dGs97LO0gM2pdWADVrSAqkrINNu15FTVKlHhuqt RXVc0jyL/fXohL9vLWkI7Plfl9RpK1CUhhmOHWLXbqfBdQuqg0DCuaSQ7BZg45bn EJIcfn/5Qv2mW9GbE/bgxjqabqnLeF0Ra6k7fZbZkdLOy99grDfgyM61kgnqmIJ7 MLRLbNANCO9SnYy3BGoE8B+dMW7KtsUKETkuXQZRUYLEGbDrqoazJLq5LTLYH3HZ S4cmGVz/T+2yqPaOpfvKaA0S6Ly+VaI5LdYEFJkv9MC+RNrd5Z9dPppDa4/HPI3s JKfLjiSsGPy/KYokHZTqSH2MmyugTHdsmCJdtaffp4NB6oRhLAjyqKWY6YuK3nbj frT5Hm7hZjV5QeGnFliOYNG2+sKHRfSBSMOVwTDd//5p8+kD2+ANW5x2Q8vKgmrr +npHR8GQcetnsPG0CLx6HEr0Ij0ScD0W9Bp2dSynBFfWBMyL8EHaYdeOX15fdH72 L7133WbkUpI= =r4Ut - -----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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