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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.1021 kernel-rt security update 11 March 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel-rt Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2022-0847 Original Bulletin: https://access.redhat.com/errata/RHSA-2022:0822 Comment: CVSS (Max): 7.8 CVE-2022-0847 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) CVSS Source: Red Hat Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security update Advisory ID: RHSA-2022:0822-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:0822 Issue date: 2022-03-10 CVE Names: CVE-2022-0847 ===================================================================== 1. Summary: An update for kernel-rt is now available for Red Hat Enterprise Linux 8.4 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 Real Time EUS (v.8.4) - x86_64 Red Hat Enterprise Linux Real Time for NFV EUS (v.8.4) - x86_64 3. Description: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: improper initialization of the "flags" member of the new pipe_buffer (CVE-2022-0847) 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/): 2060795 - CVE-2022-0847 kernel: improper initialization of the "flags" member of the new pipe_buffer 6. Package List: Red Hat Enterprise Linux Real Time for NFV EUS (v.8.4): Source: kernel-rt-4.18.0-305.40.2.rt7.113.el8_4.src.rpm x86_64: kernel-rt-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-core-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-debug-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-debug-core-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-debug-debuginfo-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-debug-devel-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-debug-kvm-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-debug-modules-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-debug-modules-extra-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-debuginfo-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-debuginfo-common-x86_64-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-devel-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-kvm-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-modules-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-modules-extra-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm Red Hat Enterprise Linux Real Time EUS (v.8.4): Source: kernel-rt-4.18.0-305.40.2.rt7.113.el8_4.src.rpm x86_64: kernel-rt-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-core-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-debug-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-debug-core-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-debug-debuginfo-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-debug-devel-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-debug-modules-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-debug-modules-extra-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-debuginfo-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-debuginfo-common-x86_64-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-devel-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-modules-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm kernel-rt-modules-extra-4.18.0-305.40.2.rt7.113.el8_4.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-2022-0847 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/RHSB-2022-002 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2022 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYippi9zjgjWX9erEAQiKvQ//euQLuxidQzkHwnYkoSYUWRq+QXkQWCs5 i8zsRCT76NdjmuNxOOby6FZzkYvu2plQgHNw23MlR1UFyNQiNx5nnB97qmUnclOI uL2iXVFkNKiCqsKFpb3HjTcGh2YZhg6XG06KfGjWbPibt6JxsS34nHlgJ200rcim BVmvhPPbgX+LQEMMbSVzL67py3EXjLuwrtR/bFwpkvnCam+7uDWbWJiYQ+TXpBRQ 0f4WQNzLq3Swk1PqSBgwHnDqLB+oQimE9dV1lk5VuA8cZjjm8AdxZN88ubqmhqUm yA2HrC7cG9tD+FUwjeaQDhOjfW5+YfN6mDvJFYYlg8m3hlfJpUyM2mxiyJOJWfDC nmnJll71o1hvnUplxhArGhnezpFzYHcH06DyGivhUY2E50XSfIXPunx/tXIxGpVW BzUSy2LxkkwJ950HIlYoTF1wVt7qfwFnpw4eaG7HSpUEiIoqqEjyS40gH2wAbJYv ULZD/BN+IJf3zGASRtVvGlNqD2EVHB95vbZE/0bwTb2Ofn1Ano2PdBpChygMY078 lTqHZBYIwSjEVuy+ZQyjmJmxq3Ss9mPB+rww2TeW/iANz7rrOAOdxrPVzvRLazNt IBgsAYltJSLPARN6OAbKTILkNYOhkgh3fQMTrb3D+HGC3ooCfIpkuE2C/qAFUCfS cfa6P5DNODI= =mvZl - -----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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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYiqThONLKJtyKPYoAQguag//dg8OdDGvfU62/W5h5XGdj4RbufbAnaaz /lPSWL4prFAj3KuSlNUzTA2WU/gz6Avy3gP7SnBEfzA/p8Pt8Qw12p0PPfaH8EgO qZtwdGiDB6a49wBy3+UVIuY3heN7WkFJnA6GDvRCg1OhrVpe2oIQDaKSEV7zqLFJ gzylxzwkOQrCv8iecGNQZmRLJCkzYeRlr8rdOybd8BdcW3WMBsWCDzVsTTkglk6M 4dCcQQnkBP8yWbtbg5DbzOjTnUiK0NyT6pLF4ISVSlTRHs9LXvmx44X8FEyuMAPS 1TWXNOoxr7Akprn8z1cVQIjADm8QURmzIim2774vvj5GOru8z2OfkkFTE+357QGL il9tBXqA3jLgXsyiB76funZWOtMRn3e2jhVmtW1mzXZzRsH4ixZiMXg7JkVkmbtn 8+wxQ8Mq6tryAGYNrdmuWoadnd+5U4EAzIhmta4TXC3rJD2dBqqwJR1kC4BkGWeo oKUbHJy5Xtcdjs+4gq26bHxW4BkOgFXI18hnndc/yDI1sC8vcbb+jA1DF7X3XRwh N6Pz3WxK0CGRXXzmqDis6NV+CibngcFoCcczX1No3noHvhuDHNS0Bcu7k6nUemuQ LvZ/jIZoBVlG8rE+UPMyY/zMhFb2R8vdW4/EXgZSBFWucWr6aGBcw9ddCV2Svd9/ 8cQE2t+xJR0= =pZor -----END PGP SIGNATURE-----