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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.1963 kernel security, bug fix, and enhancement update 5 April 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2023-0386 CVE-2023-0266 CVE-2022-4378 CVE-2022-4269 Original Bulletin: https://access.redhat.com/errata/RHSA-2023:1566 Comment: CVSS (Max): 7.8 CVE-2023-0266 (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, bug fix, and enhancement update Advisory ID: RHSA-2023:1566-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:1566 Issue date: 2023-04-04 CVE Names: CVE-2022-4269 CVE-2022-4378 CVE-2023-0266 CVE-2023-0386 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 8. 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 (v. 8) - aarch64, ppc64le, x86_64 Red Hat Enterprise Linux BaseOS (v. 8) - 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: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378) * ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF (CVE-2023-0266) * kernel: FUSE filesystem low-privileged user privileges escalation (CVE-2023-0386) * kernel: net: CPU soft lockup in TC mirred egress-to-ingress action (CVE-2022-4269) 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): * kernel panic on reboot due to a bug in mei_wdt module (BZ#2139770) * RHEL8: Practically limit "Dummy wait" workaround to old Intel systems (BZ#2142170) * AMDSERVER 8.7: amdpstate driver incorrectly designed to load as default for Genoa (BZ#2151275) * RHEL-8.8: Update RDMA core to Linux v6.0 (BZ#2161750) * Kernel panic observed during VxFS module unload (BZ#2162763) * Client not able to connect to rhel server: SYN is answered by chalange ACK and RST is ignored (BZ#2165587) * RHEL8.4: s390/kexec: fix ipl report address for kdump (BZ#2166296) * kvm-unit-test reports unhandled exception on AMD (BZ#2166362) * Windows Server 2019 guest randomly pauses with "KVM: entry failed, hardware error 0x80000021" (BZ#2166368) * Unable to get QinQ working with ConnectX-4 Lx in SR-IOV scenario (BZ#2166665) * panic in fib6_rule_suppress+0x22 with custom xdp prog involved in (BZ#2167602) * net/mlx5e: Fix use-after-free when reverting termination table (BZ#2167640) * RHEL 8.7: EEH injection failed to recover on Mellanox adapter. (BZ#2167645) * mlx5: lag and sriov fixes (BZ#2167647) * RHEL8.4: dasd: fix no record found for raw_track_access (BZ#2167776) * GSS: Set of fixes in ceph kernel module to prevent OCS node kernel crash - - - blocklist the kclient when receiving corrupted snap trace (BZ#2168896) * Azure RHEL8 scsi: storvsc: Fix swiotlb bounce buffer leak in confidential VM (BZ#2170228) * fast_isolate_freepages scans out of target zone (BZ#2170576) * Backport Request for locking/rwsem commits (BZ#2170939) * ipv6 traffic stop when an sriov vf have ipv6 address (BZ#2172550) * Hyper-V RHEL8.8: Update MANA driver (BZ#2173103) Enhancement(s): * Intel 8.8 FEAT SPR CPU: AMX: Improve the init_fpstate setup code (BZ#2168384) 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/): 2150272 - CVE-2022-4269 kernel: net: CPU soft lockup in TC mirred egress-to-ingress action 2152548 - CVE-2022-4378 kernel: stack overflow in do_proc_dointvec and proc_skip_spaces 2159505 - CVE-2023-0386 kernel: FUSE filesystem low-privileged user privileges escalation 2163379 - CVE-2023-0266 ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF 6. Package List: Red Hat Enterprise Linux BaseOS (v. 8): Source: kernel-4.18.0-425.19.2.el8_7.src.rpm aarch64: bpftool-4.18.0-425.19.2.el8_7.aarch64.rpm bpftool-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-core-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-cross-headers-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-debug-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-debug-core-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-debug-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-debug-devel-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-debug-modules-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-debug-modules-extra-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-devel-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-headers-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-modules-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-modules-extra-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-tools-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-tools-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-tools-libs-4.18.0-425.19.2.el8_7.aarch64.rpm perf-4.18.0-425.19.2.el8_7.aarch64.rpm perf-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm python3-perf-4.18.0-425.19.2.el8_7.aarch64.rpm python3-perf-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm noarch: kernel-abi-stablelists-4.18.0-425.19.2.el8_7.noarch.rpm kernel-doc-4.18.0-425.19.2.el8_7.noarch.rpm ppc64le: bpftool-4.18.0-425.19.2.el8_7.ppc64le.rpm bpftool-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-core-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-cross-headers-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-debug-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-debug-core-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-debug-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-debug-devel-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-debug-modules-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-debug-modules-extra-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-devel-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-headers-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-modules-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-modules-extra-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-tools-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-tools-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-tools-libs-4.18.0-425.19.2.el8_7.ppc64le.rpm perf-4.18.0-425.19.2.el8_7.ppc64le.rpm perf-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm python3-perf-4.18.0-425.19.2.el8_7.ppc64le.rpm python3-perf-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm s390x: bpftool-4.18.0-425.19.2.el8_7.s390x.rpm bpftool-debuginfo-4.18.0-425.19.2.el8_7.s390x.rpm kernel-4.18.0-425.19.2.el8_7.s390x.rpm kernel-core-4.18.0-425.19.2.el8_7.s390x.rpm kernel-cross-headers-4.18.0-425.19.2.el8_7.s390x.rpm kernel-debug-4.18.0-425.19.2.el8_7.s390x.rpm kernel-debug-core-4.18.0-425.19.2.el8_7.s390x.rpm kernel-debug-debuginfo-4.18.0-425.19.2.el8_7.s390x.rpm kernel-debug-devel-4.18.0-425.19.2.el8_7.s390x.rpm kernel-debug-modules-4.18.0-425.19.2.el8_7.s390x.rpm kernel-debug-modules-extra-4.18.0-425.19.2.el8_7.s390x.rpm kernel-debuginfo-4.18.0-425.19.2.el8_7.s390x.rpm kernel-debuginfo-common-s390x-4.18.0-425.19.2.el8_7.s390x.rpm kernel-devel-4.18.0-425.19.2.el8_7.s390x.rpm kernel-headers-4.18.0-425.19.2.el8_7.s390x.rpm kernel-modules-4.18.0-425.19.2.el8_7.s390x.rpm kernel-modules-extra-4.18.0-425.19.2.el8_7.s390x.rpm kernel-tools-4.18.0-425.19.2.el8_7.s390x.rpm kernel-tools-debuginfo-4.18.0-425.19.2.el8_7.s390x.rpm kernel-zfcpdump-4.18.0-425.19.2.el8_7.s390x.rpm kernel-zfcpdump-core-4.18.0-425.19.2.el8_7.s390x.rpm kernel-zfcpdump-debuginfo-4.18.0-425.19.2.el8_7.s390x.rpm kernel-zfcpdump-devel-4.18.0-425.19.2.el8_7.s390x.rpm kernel-zfcpdump-modules-4.18.0-425.19.2.el8_7.s390x.rpm kernel-zfcpdump-modules-extra-4.18.0-425.19.2.el8_7.s390x.rpm perf-4.18.0-425.19.2.el8_7.s390x.rpm perf-debuginfo-4.18.0-425.19.2.el8_7.s390x.rpm python3-perf-4.18.0-425.19.2.el8_7.s390x.rpm python3-perf-debuginfo-4.18.0-425.19.2.el8_7.s390x.rpm x86_64: bpftool-4.18.0-425.19.2.el8_7.x86_64.rpm bpftool-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-core-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-cross-headers-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-debug-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-debug-core-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-debug-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-debug-devel-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-debug-modules-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-debug-modules-extra-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-devel-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-headers-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-modules-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-modules-extra-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-tools-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-tools-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-tools-libs-4.18.0-425.19.2.el8_7.x86_64.rpm perf-4.18.0-425.19.2.el8_7.x86_64.rpm perf-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm python3-perf-4.18.0-425.19.2.el8_7.x86_64.rpm python3-perf-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm Red Hat CodeReady Linux Builder (v. 8): aarch64: bpftool-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-debug-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-tools-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm kernel-tools-libs-devel-4.18.0-425.19.2.el8_7.aarch64.rpm perf-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm python3-perf-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm ppc64le: bpftool-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-debug-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-tools-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm kernel-tools-libs-devel-4.18.0-425.19.2.el8_7.ppc64le.rpm perf-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm python3-perf-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm x86_64: bpftool-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-debug-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-tools-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm kernel-tools-libs-devel-4.18.0-425.19.2.el8_7.x86_64.rpm perf-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm python3-perf-debuginfo-4.18.0-425.19.2.el8_7.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-2022-4269 https://access.redhat.com/security/cve/CVE-2022-4378 https://access.redhat.com/security/cve/CVE-2023-0266 https://access.redhat.com/security/cve/CVE-2023-0386 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 iQIVAwUBZCw/BtzjgjWX9erEAQhK4Q//aWQbl99ss8qknU1jN1hgLxFV6FIZ/tlO ID8Qkj3XTXFCjcZc+/gglnz8GvZy4KLwpBZLHCde+RpBhT7KkNl/7MFlfsft5bE9 lDQ8ILJezYyYl+0l/3v0d90bfw72n8T29tDG2GfkV1bt24G16Ckhw7Xqz49DLcc2 99uW5qPgPPFgZ4Rfcd/Lg0PoJk1Z+6SIutY7hn0LyHJaaJHw+EwbmzaLLmx3lFnu 70CLoib76HNQgKoHw3aiYEV2EXPH2jgWFKi4FTfucydz/eXVyYN50li0lMHdYOMn BPBEmOkQSF6LnnVkBZkHx+SQHU1jz93N+Wgq/t1hfCdC+Fv/Pzlp0lOPZJ0H6c8K F+WsXguHYYYlCTlVgcIeRXM2dFqQbELR4fGesP7fUCNHB7AY1r4H1aytEvuKEMr2 u3k5uxyRzrPuEsZEY4BEa4RBkR2wFZS5N93OM2uD/BqSAAboBC9FyZ9gqrWHxW57 CIUd/fDUWpqmN2YusliSl5FJsfkIGFb5MTvPFAvb6dwKjAjdmWdDp9YpdnusttCJ JJFucXTiVo0WdL2Ghz4d2CVDoJ3a5nGDSSiej0JuaIDm1ugNd3pcY3Vup0j8aEd/ /SR2FcEYjx4DEsgbTh0S0GdvjMnVM4ZfaxmVmuHqjYPQyxuryYKosirnytGrsyVe snEu7bssCmo= =drcF - -----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/ iQIVAwUBZCzLCckNZI30y1K9AQgAYQ/9EEcBWpnsXSlqloaD6CgP545mWFKeZsp1 b+QJWQj2cOPrmeo4RyxLYoNcQWmUdtYu+7NULpbX33up3ckiWrgMgcwDApPR/K+M UQXYRUxQiqim1ZPa4x6M48y2i1kAXgGZIVPJV9k/z3F3mi6XjfSkvCKD1edjPCY9 1m9k7mUIDhn/pje80t4p9npZhjByXlJ0IKQmuyClDC+d2eU5EOV6mbGcTDJ7nh7l V6L7wno9Zz01dx07ffMgjwa+GzQXDgj1KXEVqGUWGUWLEaesFnHuREo4IFxQ+x46 f3AVnbENa7oZGTfuZcmXCyZ9SpKu8VOGN6FbfZuGjNY1qEdlL0o22hOjYgMpG4ox H1RV8qSjb39HOb+DPhqNooAbOBetw+Sy3SSP/jAHyG6KDGNVXEHhCYUraM2gJhHi sWnPmwbqunqVspjF+pbnuW/6tAwXJiiuUyOj5lni1pSvn2jgduJxl+a8APiWdJfT PqzeEDFYQL8rUwT90MIyE3CCPtvhSAfQ8rNoZHTkKzQ0Byt47PvM2/cOT8R4Htkn uEOsSNfEvlqsdHvVNxPGZDPhaV74aLqIS2K7l/y6HKShOIcdPmPGXX1XA+svGOSq 03JbteOfbFC3QEuPGnPZGeLG14P9AiepoQD9Hl4waF7mDFfAqfsQuz13Xu667oJN tAWJfWDetbQ= =UreP -----END PGP SIGNATURE-----