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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.0405 kernel security and bug fix update 25 January 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2022-26373 CVE-2022-4139 Original Bulletin: https://access.redhat.com/errata/RHSA-2023:0440 Comment: CVSS (Max): 7.0 CVE-2022-4139 (CVSS:3.1/AV:L/AC:H/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:H/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 security and bug fix update Advisory ID: RHSA-2023:0440-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:0440 Issue date: 2023-01-24 CVE Names: CVE-2022-4139 CVE-2022-26373 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 8.6 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.8.6) - aarch64, ppc64le, x86_64 Red Hat Enterprise Linux BaseOS EUS (v.8.6) - 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: i915: Incorrect GPU TLB flush can lead to random memory access (CVE-2022-4139) * hw: cpu: Intel: Post-barrier Return Stack Buffer Predictions (CVE-2022-26373) 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): * Azure: Sometimes newly deployed VMs are not getting accelerated network during provisioning (BZ#2155273) * Azure: VM Deployment Failures Patch Request (BZ#2155281) 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/): 2115065 - CVE-2022-26373 hw: cpu: Intel: Post-barrier Return Stack Buffer Predictions 2147572 - CVE-2022-4139 kernel: i915: Incorrect GPU TLB flush can lead to random memory access 6. Package List: Red Hat Enterprise Linux BaseOS EUS (v.8.6): Source: kernel-4.18.0-372.41.1.el8_6.src.rpm aarch64: bpftool-4.18.0-372.41.1.el8_6.aarch64.rpm bpftool-debuginfo-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-core-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-cross-headers-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-debug-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-debug-core-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-debug-debuginfo-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-debug-devel-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-debug-modules-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-debug-modules-extra-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-debuginfo-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-devel-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-headers-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-modules-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-modules-extra-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-tools-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-tools-debuginfo-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-tools-libs-4.18.0-372.41.1.el8_6.aarch64.rpm perf-4.18.0-372.41.1.el8_6.aarch64.rpm perf-debuginfo-4.18.0-372.41.1.el8_6.aarch64.rpm python3-perf-4.18.0-372.41.1.el8_6.aarch64.rpm python3-perf-debuginfo-4.18.0-372.41.1.el8_6.aarch64.rpm noarch: kernel-abi-stablelists-4.18.0-372.41.1.el8_6.noarch.rpm kernel-doc-4.18.0-372.41.1.el8_6.noarch.rpm ppc64le: bpftool-4.18.0-372.41.1.el8_6.ppc64le.rpm bpftool-debuginfo-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-core-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-cross-headers-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-debug-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-debug-core-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-debug-debuginfo-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-debug-devel-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-debug-modules-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-debug-modules-extra-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-debuginfo-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-devel-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-headers-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-modules-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-modules-extra-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-tools-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-tools-debuginfo-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-tools-libs-4.18.0-372.41.1.el8_6.ppc64le.rpm perf-4.18.0-372.41.1.el8_6.ppc64le.rpm perf-debuginfo-4.18.0-372.41.1.el8_6.ppc64le.rpm python3-perf-4.18.0-372.41.1.el8_6.ppc64le.rpm python3-perf-debuginfo-4.18.0-372.41.1.el8_6.ppc64le.rpm s390x: bpftool-4.18.0-372.41.1.el8_6.s390x.rpm bpftool-debuginfo-4.18.0-372.41.1.el8_6.s390x.rpm kernel-4.18.0-372.41.1.el8_6.s390x.rpm kernel-core-4.18.0-372.41.1.el8_6.s390x.rpm kernel-cross-headers-4.18.0-372.41.1.el8_6.s390x.rpm kernel-debug-4.18.0-372.41.1.el8_6.s390x.rpm kernel-debug-core-4.18.0-372.41.1.el8_6.s390x.rpm kernel-debug-debuginfo-4.18.0-372.41.1.el8_6.s390x.rpm kernel-debug-devel-4.18.0-372.41.1.el8_6.s390x.rpm kernel-debug-modules-4.18.0-372.41.1.el8_6.s390x.rpm kernel-debug-modules-extra-4.18.0-372.41.1.el8_6.s390x.rpm kernel-debuginfo-4.18.0-372.41.1.el8_6.s390x.rpm kernel-debuginfo-common-s390x-4.18.0-372.41.1.el8_6.s390x.rpm kernel-devel-4.18.0-372.41.1.el8_6.s390x.rpm kernel-headers-4.18.0-372.41.1.el8_6.s390x.rpm kernel-modules-4.18.0-372.41.1.el8_6.s390x.rpm kernel-modules-extra-4.18.0-372.41.1.el8_6.s390x.rpm kernel-tools-4.18.0-372.41.1.el8_6.s390x.rpm kernel-tools-debuginfo-4.18.0-372.41.1.el8_6.s390x.rpm kernel-zfcpdump-4.18.0-372.41.1.el8_6.s390x.rpm kernel-zfcpdump-core-4.18.0-372.41.1.el8_6.s390x.rpm kernel-zfcpdump-debuginfo-4.18.0-372.41.1.el8_6.s390x.rpm kernel-zfcpdump-devel-4.18.0-372.41.1.el8_6.s390x.rpm kernel-zfcpdump-modules-4.18.0-372.41.1.el8_6.s390x.rpm kernel-zfcpdump-modules-extra-4.18.0-372.41.1.el8_6.s390x.rpm perf-4.18.0-372.41.1.el8_6.s390x.rpm perf-debuginfo-4.18.0-372.41.1.el8_6.s390x.rpm python3-perf-4.18.0-372.41.1.el8_6.s390x.rpm python3-perf-debuginfo-4.18.0-372.41.1.el8_6.s390x.rpm x86_64: bpftool-4.18.0-372.41.1.el8_6.x86_64.rpm bpftool-debuginfo-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-core-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-cross-headers-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-debug-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-debug-core-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-debug-debuginfo-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-debug-devel-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-debug-modules-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-debug-modules-extra-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-debuginfo-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-devel-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-headers-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-modules-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-modules-extra-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-tools-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-tools-debuginfo-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-tools-libs-4.18.0-372.41.1.el8_6.x86_64.rpm perf-4.18.0-372.41.1.el8_6.x86_64.rpm perf-debuginfo-4.18.0-372.41.1.el8_6.x86_64.rpm python3-perf-4.18.0-372.41.1.el8_6.x86_64.rpm python3-perf-debuginfo-4.18.0-372.41.1.el8_6.x86_64.rpm Red Hat CodeReady Linux Builder EUS (v.8.6): aarch64: bpftool-debuginfo-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-debug-debuginfo-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-debuginfo-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-tools-debuginfo-4.18.0-372.41.1.el8_6.aarch64.rpm kernel-tools-libs-devel-4.18.0-372.41.1.el8_6.aarch64.rpm perf-debuginfo-4.18.0-372.41.1.el8_6.aarch64.rpm python3-perf-debuginfo-4.18.0-372.41.1.el8_6.aarch64.rpm ppc64le: bpftool-debuginfo-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-debug-debuginfo-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-debuginfo-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-tools-debuginfo-4.18.0-372.41.1.el8_6.ppc64le.rpm kernel-tools-libs-devel-4.18.0-372.41.1.el8_6.ppc64le.rpm perf-debuginfo-4.18.0-372.41.1.el8_6.ppc64le.rpm python3-perf-debuginfo-4.18.0-372.41.1.el8_6.ppc64le.rpm x86_64: bpftool-debuginfo-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-debug-debuginfo-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-debuginfo-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-tools-debuginfo-4.18.0-372.41.1.el8_6.x86_64.rpm kernel-tools-libs-devel-4.18.0-372.41.1.el8_6.x86_64.rpm perf-debuginfo-4.18.0-372.41.1.el8_6.x86_64.rpm python3-perf-debuginfo-4.18.0-372.41.1.el8_6.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-2022-4139 https://access.redhat.com/security/cve/CVE-2022-26373 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/solutions/6971358 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2023 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBY9AIp9zjgjWX9erEAQg9Pg/9Er7Hk82Tlcs3vY1CJJqUIfo2AVzr1z3o kf95Z65Nu4pUrHvInLvRQsejwHYMJQ0CUiVLzeoGey+W3p7iqN3au2rhAPgqNB80 z6ZgznAXhIoTHKZYDrRFmc7WKUcmwI+GFcpojzImdAyBTOlKAOUArLo/ymdVN1PR ByVc/0twtkhaCbkacs3ZqH0YsRl9M5oz6TWPG5Vl47v25hy/NBG8IgANeDBYBDsL 101xyBH0eukaXYjral2bDfGNnTVM8rasnVTzbM1e78qs2Xy+YcMgiweoYGh8/ci/ EsRr2lad0aoLL6vzV14QaCV3O5yOXRanFXgj4V3Ur5KQD++Fm6GVXrJJrpGiofdl dZP1gt7u70OdPNHJDGULnuA38fqI9q1Y7q/joeIEQW8DNNaltylSkH6QbcQORWdJ +RCrvXCEEN2OByn12mphTor70RiiYysCc8ZPvjZ8IV1bcFdDJn2zYryauvChCXg3 z4mPg/tCkGKuHPkUFb8rpwlwctxPNl2T/AaFrpLCbJEZ7xFHikId7WyQo3lDQP6e 9Zoq8GibW+Sk0pKs/6nD5tAA8ELFcibXbqBf1c0ryJtdkHMnr6egh7//df4eO0KM vS2ftNd/dwjSXDZW7thARNfXNy1IjozVnkx5Lljp+CEFB8alQvjPiJXA+kdxhBgo UqlXQmL4JOQ= =V4KT - -----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: https://auscert.org.au/gpg-key/ iQIVAwUBY9CGsckNZI30y1K9AQj+Gg//WTsNgjC7Pepq8nvyyu0ioV/A6nYYCDns EGCu2YgJe49dsohZsNqEAbM1oarN7jjHY1FdITwRgcuzvmugs3uPpHKIEJS31Irn 5siHGmLxwMkuppNkFM/cn3/L5br0ijtRoZYXmOhJ6fvWP5PiOlVt6mbrMtZ9Pkm3 XVb3hSgqpMk/aTdFNnsm39r4KXriC5v5Ou6qvHa/MEiHBSPG+gvwmcx68OBK0/sQ 8QE3Pa+YaoPGJyJ3Yayf3Bs26IpLCenxC/3ylIGXZknU/Wmdu4RZG2BWvrnEzsr7 8RHz5YMCEOVQo6E7fozeeEgKih88lyP3EM3pliKVs+WDJh2H44FJIphq/pAhjv90 0d6cXPXdDbdmhpJg5Ia4yfjkfL8RlOPKKamKyNt4IjW3VZGumJZviQAgzAxflpyY 5lslgxzPZgnlmDTO8JFoDMHO1jQSaatVWPuHQIfZxImd5jFrhrasQRhMlqagajkI 86gQJExfhbvoBRDArKnfOuxvyKrqW1DHy3+n+YaXFZpVQcOsKJ/lgrutvU5GhPc6 G7KxbCVBj+f842km6UncjRPuuzNQuTII3i5Llj/C2A4bx9mqK6bEcvPLL3AhmOLJ 6rYkG18rttEOttBnx39dkIIzMlhpLVwLd38vcuzXqXh7vw7xwdUhAHTuVsnPFEH4 tzxQV/e7CKw= =PVJd -----END PGP SIGNATURE-----