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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.1826 Linux kernel security, bug fix, and enhancement update 28 March 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Red Hat Enterprise Linux Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2022-4744 Original Bulletin: https://access.redhat.com/errata/RHSA-2023:1468 Comment: CVSS (Max): 7.8 CVE-2022-4744 (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-------------------- ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security, bug fix, and enhancement update Advisory ID: RHSA-2023:1468-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:1468 Issue date: 2023-03-27 CVE Names: CVE-2022-4744 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 9.0 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.9.0) - aarch64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux AppStream EUS (v.9.0) - aarch64, noarch, ppc64le, s390x, x86_64 Red Hat Enterprise Linux BaseOS EUS (v.9.0) - 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: tun: avoid double free in tun_free_netdev (CVE-2022-4744) 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): * RHEL 9.1 Extending NMI watchdog's timer during LPM (BZ#2140086) * RHEL9.1 Rainer 2gb/4GB LMB: kdump is not working with 2GB/4GB LMB size[FW1030]. (BZ#2151867) * RHEL9.0 - s390/kexec: fix ipl report address for kdump (BZ#2166904) * Azure RHEL-9 RMB MANA: RMB Patch To Backport On The Azure Linux Images (BZ#2172876) Enhancement(s): * IBM 9.2 FEAT Upgrade the QETH driver to the latest from upstream, e.g. kernel 6.0 (BZ#2166305) 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/): 2156322 - CVE-2022-4744 kernel: tun: avoid double free in tun_free_netdev 6. Package List: Red Hat Enterprise Linux AppStream EUS (v.9.0): aarch64: bpftool-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-debug-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-debug-devel-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-debug-devel-matched-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-debuginfo-common-aarch64-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-devel-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-devel-matched-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-headers-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-tools-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm perf-5.14.0-70.50.2.el9_0.aarch64.rpm perf-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm python3-perf-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm noarch: kernel-doc-5.14.0-70.50.2.el9_0.noarch.rpm ppc64le: bpftool-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-debug-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-debug-devel-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-debug-devel-matched-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-debuginfo-common-ppc64le-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-devel-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-devel-matched-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-headers-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-tools-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm perf-5.14.0-70.50.2.el9_0.ppc64le.rpm perf-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm python3-perf-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm s390x: bpftool-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm kernel-debug-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm kernel-debug-devel-5.14.0-70.50.2.el9_0.s390x.rpm kernel-debug-devel-matched-5.14.0-70.50.2.el9_0.s390x.rpm kernel-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm kernel-debuginfo-common-s390x-5.14.0-70.50.2.el9_0.s390x.rpm kernel-devel-5.14.0-70.50.2.el9_0.s390x.rpm kernel-devel-matched-5.14.0-70.50.2.el9_0.s390x.rpm kernel-headers-5.14.0-70.50.2.el9_0.s390x.rpm kernel-tools-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm kernel-zfcpdump-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm kernel-zfcpdump-devel-5.14.0-70.50.2.el9_0.s390x.rpm kernel-zfcpdump-devel-matched-5.14.0-70.50.2.el9_0.s390x.rpm perf-5.14.0-70.50.2.el9_0.s390x.rpm perf-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm python3-perf-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm x86_64: bpftool-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-debug-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-debug-devel-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-debug-devel-matched-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-debuginfo-common-x86_64-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-devel-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-devel-matched-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-headers-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-tools-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm perf-5.14.0-70.50.2.el9_0.x86_64.rpm perf-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm python3-perf-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm Red Hat Enterprise Linux BaseOS EUS (v.9.0): Source: kernel-5.14.0-70.50.2.el9_0.src.rpm aarch64: bpftool-5.14.0-70.50.2.el9_0.aarch64.rpm bpftool-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-core-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-debug-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-debug-core-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-debug-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-debug-modules-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-debug-modules-extra-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-debuginfo-common-aarch64-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-modules-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-modules-extra-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-tools-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-tools-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-tools-libs-5.14.0-70.50.2.el9_0.aarch64.rpm perf-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm python3-perf-5.14.0-70.50.2.el9_0.aarch64.rpm python3-perf-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm noarch: kernel-abi-stablelists-5.14.0-70.50.2.el9_0.noarch.rpm ppc64le: bpftool-5.14.0-70.50.2.el9_0.ppc64le.rpm bpftool-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-core-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-debug-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-debug-core-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-debug-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-debug-modules-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-debug-modules-extra-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-debuginfo-common-ppc64le-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-modules-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-modules-extra-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-tools-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-tools-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-tools-libs-5.14.0-70.50.2.el9_0.ppc64le.rpm perf-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm python3-perf-5.14.0-70.50.2.el9_0.ppc64le.rpm python3-perf-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm s390x: bpftool-5.14.0-70.50.2.el9_0.s390x.rpm bpftool-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm kernel-5.14.0-70.50.2.el9_0.s390x.rpm kernel-core-5.14.0-70.50.2.el9_0.s390x.rpm kernel-debug-5.14.0-70.50.2.el9_0.s390x.rpm kernel-debug-core-5.14.0-70.50.2.el9_0.s390x.rpm kernel-debug-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm kernel-debug-modules-5.14.0-70.50.2.el9_0.s390x.rpm kernel-debug-modules-extra-5.14.0-70.50.2.el9_0.s390x.rpm kernel-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm kernel-debuginfo-common-s390x-5.14.0-70.50.2.el9_0.s390x.rpm kernel-modules-5.14.0-70.50.2.el9_0.s390x.rpm kernel-modules-extra-5.14.0-70.50.2.el9_0.s390x.rpm kernel-tools-5.14.0-70.50.2.el9_0.s390x.rpm kernel-tools-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm kernel-zfcpdump-5.14.0-70.50.2.el9_0.s390x.rpm kernel-zfcpdump-core-5.14.0-70.50.2.el9_0.s390x.rpm kernel-zfcpdump-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm kernel-zfcpdump-modules-5.14.0-70.50.2.el9_0.s390x.rpm kernel-zfcpdump-modules-extra-5.14.0-70.50.2.el9_0.s390x.rpm perf-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm python3-perf-5.14.0-70.50.2.el9_0.s390x.rpm python3-perf-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm x86_64: bpftool-5.14.0-70.50.2.el9_0.x86_64.rpm bpftool-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-core-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-debug-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-debug-core-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-debug-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-debug-modules-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-debug-modules-extra-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-debuginfo-common-x86_64-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-modules-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-modules-extra-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-tools-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-tools-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-tools-libs-5.14.0-70.50.2.el9_0.x86_64.rpm perf-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm python3-perf-5.14.0-70.50.2.el9_0.x86_64.rpm python3-perf-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm Red Hat CodeReady Linux Builder EUS (v.9.0): aarch64: bpftool-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-cross-headers-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-debug-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-debuginfo-common-aarch64-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-tools-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm kernel-tools-libs-devel-5.14.0-70.50.2.el9_0.aarch64.rpm perf-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm python3-perf-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm ppc64le: bpftool-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-cross-headers-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-debug-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-debuginfo-common-ppc64le-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-tools-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm kernel-tools-libs-devel-5.14.0-70.50.2.el9_0.ppc64le.rpm perf-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm python3-perf-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm s390x: bpftool-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm kernel-cross-headers-5.14.0-70.50.2.el9_0.s390x.rpm kernel-debug-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm kernel-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm kernel-debuginfo-common-s390x-5.14.0-70.50.2.el9_0.s390x.rpm kernel-tools-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm kernel-zfcpdump-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm perf-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm python3-perf-debuginfo-5.14.0-70.50.2.el9_0.s390x.rpm x86_64: bpftool-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-cross-headers-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-debug-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-debuginfo-common-x86_64-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-tools-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm kernel-tools-libs-devel-5.14.0-70.50.2.el9_0.x86_64.rpm perf-debuginfo-5.14.0-70.50.2.el9_0.x86_64.rpm python3-perf-debuginfo-5.14.0-70.50.2.el9_0.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-2022-4744 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 iQIVAwUBZCFepdzjgjWX9erEAQjKpBAAka0/5/tQCZrrqEl9R118WC10JNXY2R5u pvS7VyK6boqadICgqujogqWc/2CYEUpKGZiubLfGghT42xzdgGgmK64npHyIU2GR lGOoIFo9n3L9HpDESZj9bkq0QtWEzRwBBLIe4CKyVVISbbl5YTtt7dTwGjw6dE5N BaN4nOpQoWfmQ/L4GpNgWpoibZH6QSWouUMOPzze/fg988pBqq2uG4A5Kc4Ld9BA 4Hi1xTcbsrJn1BkxtfVR/E/oJdp93fHOYhfhUQK0eCvkT2qhKZBHNnCgLW+OvfI2 8/t5HEU+4TiJjudzaRloggf7ZBeIJ4Jm9lN7T8aLGTc2Lqjh7foR2GKeKCeSTCeL OyLhBzaL2igQyd0dpqW/vGLUCD7meZvBNR8wQiHeJ2diagcIAI7TDet+Z08Lnczv QHGaMS8wBhyVh5U+1twKkqIoPPsQJJdSdX+PBp5G4Wwqf2ViqnZu1xtTBSENn//v njqgjkc4bjeN/7mJvPirMYzi052KHefKZSviX/h+50uv+VeuFBwkmSmjuI8z22gp vrr1MEDdKIlDJXeWqyxqadm9vMxSbQLGFFbcQotG5zmD6B/XkjyktzI6mBSGg+lL T4xfP0TKLLG4LpwEbG1UTeM7tJxt8smUyXF2PeJwseqbSzwSFoZ+mpE0/ss1e/cI Hyu9aylECrU= =9xNC - -----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/ iQIVAwUBZCJY6ckNZI30y1K9AQi6JRAAqJcTpgAwEQfj5R/CV0dZvz6etfdu4cJu A0Itak7GzLe6XgT6WXhJi7DgHhj3kzzyme6cHSY9uZBdl9RWJgRVYH/efWHRdZAX Jla+TekUKylyLqhiHI5yuEwXHJkbSdA2ixmWNl85sWRJNeSILTKVKeYACCCO+gfW nP9QSei0j/M/g6xXCr0yc3QZCHN1eFkd53OTJShTyx8wqOypSltbwfjIvZ1DGyeU Njl/EWayWLlYGyTiNeAZU8yLppihP64n31WOtc50jh6hgcj3H3RMyynk9hWouBG5 BV8unaqIFnq0LLHZydLm8JfrZVu/QiHg1w4gdWIEDU5+Puv22ZdnPS2clXzsJ0G9 NRzxcL3IXpEx6kp/8ydHElzJiZ/AUogOl0FdtzW7XF5EWMnsvHtMKCvbEKUm4VCY wSFW0Ae+MI1cZuw0dRl6wqRFTKTj50lfxjKpGwhSCKOuXXqpR1vpSmcwbQStLkVV 7sUpxiH4BCRRXcJr5aCrNrA6uBGxHkk3WaWn6fTHLU/oR99pCr/msN7QwKRBgBNi qDnqYutmqHfzokICZhq3kmkLKq48b4jJgKXZh1bzUMmnqbW9pgrtFJMnjQJU8Zne jzTNOx0kDsLl3FRR6QRDrDoSTLehNZocq70YC9fNJnMtivSKI4iMFY0SeRfVW9ow yhTJibS2BXw= =W/8J -----END PGP SIGNATURE-----