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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.1250 kernel security update 1 March 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2022-4378 Original Bulletin: https://access.redhat.com/errata/RHSA-2023:0944 Comment: CVSS (Max): 7.8 CVE-2022-4378 (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 security update Advisory ID: RHSA-2023:0944-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:0944 Issue date: 2023-02-28 CVE Names: CVE-2022-4378 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 7.7 Advanced Update Support, Red Hat Enterprise Linux 7.7 Telco Extended Update Support, and Red Hat Enterprise Linux 7.7 Update Services for SAP Solutions. 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 Server AUS (v. 7.7) - noarch, x86_64 Red Hat Enterprise Linux Server E4S (v. 7.7) - noarch, ppc64le, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 7.7) - x86_64 Red Hat Enterprise Linux Server Optional E4S (v. 7.7) - ppc64le, x86_64 Red Hat Enterprise Linux Server Optional TUS (v. 7.7) - x86_64 Red Hat Enterprise Linux Server TUS (v. 7.7) - noarch, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378) 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/): 2152548 - CVE-2022-4378 kernel: stack overflow in do_proc_dointvec and proc_skip_spaces 6. Package List: Red Hat Enterprise Linux Server AUS (v. 7.7): Source: kernel-3.10.0-1062.71.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1062.71.1.el7.noarch.rpm kernel-doc-3.10.0-1062.71.1.el7.noarch.rpm x86_64: bpftool-3.10.0-1062.71.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debug-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.71.1.el7.x86_64.rpm kernel-devel-3.10.0-1062.71.1.el7.x86_64.rpm kernel-headers-3.10.0-1062.71.1.el7.x86_64.rpm kernel-tools-3.10.0-1062.71.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1062.71.1.el7.x86_64.rpm perf-3.10.0-1062.71.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm python-perf-3.10.0-1062.71.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm Red Hat Enterprise Linux Server E4S (v. 7.7): Source: kernel-3.10.0-1062.71.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1062.71.1.el7.noarch.rpm kernel-doc-3.10.0-1062.71.1.el7.noarch.rpm ppc64le: bpftool-3.10.0-1062.71.1.el7.ppc64le.rpm bpftool-debuginfo-3.10.0-1062.71.1.el7.ppc64le.rpm kernel-3.10.0-1062.71.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-1062.71.1.el7.ppc64le.rpm kernel-debug-3.10.0-1062.71.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-1062.71.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-1062.71.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-1062.71.1.el7.ppc64le.rpm kernel-devel-3.10.0-1062.71.1.el7.ppc64le.rpm kernel-headers-3.10.0-1062.71.1.el7.ppc64le.rpm kernel-tools-3.10.0-1062.71.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-1062.71.1.el7.ppc64le.rpm kernel-tools-libs-3.10.0-1062.71.1.el7.ppc64le.rpm perf-3.10.0-1062.71.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-1062.71.1.el7.ppc64le.rpm python-perf-3.10.0-1062.71.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-1062.71.1.el7.ppc64le.rpm x86_64: bpftool-3.10.0-1062.71.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debug-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.71.1.el7.x86_64.rpm kernel-devel-3.10.0-1062.71.1.el7.x86_64.rpm kernel-headers-3.10.0-1062.71.1.el7.x86_64.rpm kernel-tools-3.10.0-1062.71.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1062.71.1.el7.x86_64.rpm perf-3.10.0-1062.71.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm python-perf-3.10.0-1062.71.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm Red Hat Enterprise Linux Server TUS (v. 7.7): Source: kernel-3.10.0-1062.71.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1062.71.1.el7.noarch.rpm kernel-doc-3.10.0-1062.71.1.el7.noarch.rpm x86_64: bpftool-3.10.0-1062.71.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debug-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.71.1.el7.x86_64.rpm kernel-devel-3.10.0-1062.71.1.el7.x86_64.rpm kernel-headers-3.10.0-1062.71.1.el7.x86_64.rpm kernel-tools-3.10.0-1062.71.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1062.71.1.el7.x86_64.rpm perf-3.10.0-1062.71.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm python-perf-3.10.0-1062.71.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional AUS (v. 7.7): x86_64: bpftool-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.71.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1062.71.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional E4S (v. 7.7): ppc64le: bpftool-debuginfo-3.10.0-1062.71.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-1062.71.1.el7.ppc64le.rpm kernel-debug-devel-3.10.0-1062.71.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-1062.71.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-1062.71.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-1062.71.1.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-1062.71.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-1062.71.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-1062.71.1.el7.ppc64le.rpm x86_64: bpftool-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.71.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1062.71.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional TUS (v. 7.7): x86_64: bpftool-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.71.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1062.71.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.71.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.71.1.el7.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-2022-4378 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 2023 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBY/3zrdzjgjWX9erEAQiWkQ//d8OoWO+BV0oKuhGiTvH7W/uP29aDTHe+ iMd8yztBdHqZ4kpxI8Ro4nF64BYcnGhhY2fOQ54qPiqSyhooqz7QWrSzwdFvEPzX UeQCOtOj6Z3RBhfiyd1a8JLeK0hasCHJL6kR2Onipqpzvi7D2ihjFcy8censOxtp roi3FPBJzlC/PmmKgwFdDjFe2G9ZbiZ7plTIkjgzkFGpWah1An/OG0/rBmIDsUpf 65bZZ6H7jyp8jUg8TCwfONxnJx7wlfev/ixZb/9ZPxkqqYq+mLhCLf3OLnSo0rNZ CUAQtbanYKT9x5fUU72diVG3h5pe1LD+8sG7se8pWNSHp3leaN5MB+Jdt5f0MTAn EJ4uI5ABEdoLeqbprNedtB8ngLhmNBrd8056T1oXEQDUDLjSJeYJpIbWZkpIG2WU 1qjsEG5GssicaNx3NMf6Q528UwTpGbhKxHVfY35mqCbmGxWoMZC+5cjtPZQkHkEQ Qnp40RMP5bRGOlfbMeIb8vi7lrfvna1JsWm697zGJWD+CA9d02Td+kW58BITyfVc weJ8YOgvrgPq+61rNU/2yEoXoSdUlvJ0ajl+JYhod4RVpNZcEMK/lqu6QYejHNc2 BlIN2OvZo3gVoslDDZq06NFd94p9spubcGXgWMN1zjNcqAV4wgjpnvzdjqj2cQTq JFTz9qAr0JE= =E5Jd - -----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/ iQIVAwUBY/6PA8kNZI30y1K9AQimgw/+JsdttRHK7oOyRWhYOBHcbg6/y/6B2ye7 8GzsxjBpDjELjPmiplQu1mDsrUry76V5G+pxmtyLK2v7xPa6DBoooetAux2TbzI/ 5WU2CqxgZEpz/6pSJus8lOdbb1rVXGB52c19I5tzfFhSazr8MVYKr+EETJgxtYvB d7JWX/z9VfdBcN1Zg/i4mKqcd9i3oEeVIo9Hdy5s+7YMKstyfy+dhhs+UZMlnlPE woJXt+T7xIdgJx1dZutc7SaJVH/cyyDCPcfbLzReuFIi66mDsVg05GWBk1vFA+ER SpqiO/xDdl93Hf1SG+9y8x0IRwUeIkSBYyITo9CjSZzBtnnn+AKqQioe+Xvo1+/R KWD1bponyjGAIudXClldCf8htfrr5xuB0QularhvWHfx7PPpQWK58/lxLnRJXcVA ergUSqe2WjHe7K2E9nCE6Ml6GmdJHzvRg/02wGgN1ihgLMqDtO98yXbQMlTsKaPj E+Y/mlu5HE0VKYo3OlEeDUTJr1WnRam4g0yTJO53W/A/m2pfMQQkp8brT6vSxJCQ INf6LebsRfCD3txNKvKupc51QUF05SqU4gupWa1c6kIT3VnKP/WgMAOvaL4FG0RD 90ke8C9TTAwKpPX08gt11jstjcPKIZpBy9dulXkKDLP+1PSFRwd64vAYBqo8groz 1VkqM/xvTn4= =MwdO -----END PGP SIGNATURE-----