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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.3243 kernel security, bug fix, and enhancement update 29 September 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Linux kernel Publisher: Red Hat Operating System: Red Hat Impact/Access: Increased Privileges -- Existing Account Denial of Service -- Existing Account Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-3656 CVE-2021-3653 Reference: ESB-2021.3225 ESB-2021.3222 ESB-2021.3114 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:3676 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: kernel security, bug fix, and enhancement update Advisory ID: RHSA-2021:3676-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:3676 Issue date: 2021-09-28 CVE Names: CVE-2021-3653 CVE-2021-3656 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. 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. 8.1) - aarch64, ppc64le, x86_64 Red Hat Enterprise Linux BaseOS EUS (v. 8.1) - 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: SVM nested virtualization issue in KVM (AVIC support) (CVE-2021-3653) * kernel: SVM nested virtualization issue in KVM (VMLOAD/VMSAVE) (CVE-2021-3656) 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): * RHEL8.1 Snapshot1 - [4.18.0-128.el8.ppc64le] [ Brazos 31TB/192 Core ] While running upstream kernel selftest case system crashed (TM) (BZ#1996056) * Kernel panic at n_tty_set_termios+0x30 (BZ#1998001) Enhancement(s): * ixgbe: ea7813c6167a [netdrv] ixgbe: fix possible deadlock in ixgbe_service_task() (BZ#1993834) * [Marvell 8.2 FEAT] update qla2xxx to latest upstream (BZ#2000531) 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/): 1983686 - CVE-2021-3653 kernel: SVM nested virtualization issue in KVM (AVIC support) 1983988 - CVE-2021-3656 kernel: SVM nested virtualization issue in KVM (VMLOAD/VMSAVE) 6. Package List: Red Hat Enterprise Linux BaseOS EUS (v. 8.1): Source: kernel-4.18.0-147.56.1.el8_1.src.rpm aarch64: bpftool-4.18.0-147.56.1.el8_1.aarch64.rpm bpftool-debuginfo-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-core-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-cross-headers-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-debug-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-debug-core-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-debug-debuginfo-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-debug-devel-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-debug-modules-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-debug-modules-extra-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-debuginfo-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-devel-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-headers-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-modules-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-modules-extra-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-tools-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-tools-debuginfo-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-tools-libs-4.18.0-147.56.1.el8_1.aarch64.rpm perf-4.18.0-147.56.1.el8_1.aarch64.rpm perf-debuginfo-4.18.0-147.56.1.el8_1.aarch64.rpm python3-perf-4.18.0-147.56.1.el8_1.aarch64.rpm python3-perf-debuginfo-4.18.0-147.56.1.el8_1.aarch64.rpm noarch: kernel-abi-whitelists-4.18.0-147.56.1.el8_1.noarch.rpm kernel-doc-4.18.0-147.56.1.el8_1.noarch.rpm ppc64le: bpftool-4.18.0-147.56.1.el8_1.ppc64le.rpm bpftool-debuginfo-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-core-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-cross-headers-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-debug-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-debug-core-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-debug-debuginfo-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-debug-devel-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-debug-modules-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-debug-modules-extra-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-debuginfo-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-devel-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-headers-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-modules-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-modules-extra-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-tools-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-tools-debuginfo-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-tools-libs-4.18.0-147.56.1.el8_1.ppc64le.rpm perf-4.18.0-147.56.1.el8_1.ppc64le.rpm perf-debuginfo-4.18.0-147.56.1.el8_1.ppc64le.rpm python3-perf-4.18.0-147.56.1.el8_1.ppc64le.rpm python3-perf-debuginfo-4.18.0-147.56.1.el8_1.ppc64le.rpm s390x: bpftool-4.18.0-147.56.1.el8_1.s390x.rpm bpftool-debuginfo-4.18.0-147.56.1.el8_1.s390x.rpm kernel-4.18.0-147.56.1.el8_1.s390x.rpm kernel-core-4.18.0-147.56.1.el8_1.s390x.rpm kernel-cross-headers-4.18.0-147.56.1.el8_1.s390x.rpm kernel-debug-4.18.0-147.56.1.el8_1.s390x.rpm kernel-debug-core-4.18.0-147.56.1.el8_1.s390x.rpm kernel-debug-debuginfo-4.18.0-147.56.1.el8_1.s390x.rpm kernel-debug-devel-4.18.0-147.56.1.el8_1.s390x.rpm kernel-debug-modules-4.18.0-147.56.1.el8_1.s390x.rpm kernel-debug-modules-extra-4.18.0-147.56.1.el8_1.s390x.rpm kernel-debuginfo-4.18.0-147.56.1.el8_1.s390x.rpm kernel-debuginfo-common-s390x-4.18.0-147.56.1.el8_1.s390x.rpm kernel-devel-4.18.0-147.56.1.el8_1.s390x.rpm kernel-headers-4.18.0-147.56.1.el8_1.s390x.rpm kernel-modules-4.18.0-147.56.1.el8_1.s390x.rpm kernel-modules-extra-4.18.0-147.56.1.el8_1.s390x.rpm kernel-tools-4.18.0-147.56.1.el8_1.s390x.rpm kernel-tools-debuginfo-4.18.0-147.56.1.el8_1.s390x.rpm kernel-zfcpdump-4.18.0-147.56.1.el8_1.s390x.rpm kernel-zfcpdump-core-4.18.0-147.56.1.el8_1.s390x.rpm kernel-zfcpdump-debuginfo-4.18.0-147.56.1.el8_1.s390x.rpm kernel-zfcpdump-devel-4.18.0-147.56.1.el8_1.s390x.rpm kernel-zfcpdump-modules-4.18.0-147.56.1.el8_1.s390x.rpm kernel-zfcpdump-modules-extra-4.18.0-147.56.1.el8_1.s390x.rpm perf-4.18.0-147.56.1.el8_1.s390x.rpm perf-debuginfo-4.18.0-147.56.1.el8_1.s390x.rpm python3-perf-4.18.0-147.56.1.el8_1.s390x.rpm python3-perf-debuginfo-4.18.0-147.56.1.el8_1.s390x.rpm x86_64: bpftool-4.18.0-147.56.1.el8_1.x86_64.rpm bpftool-debuginfo-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-core-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-cross-headers-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-debug-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-debug-core-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-debug-debuginfo-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-debug-devel-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-debug-modules-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-debug-modules-extra-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-debuginfo-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-devel-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-headers-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-modules-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-modules-extra-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-tools-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-tools-debuginfo-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-tools-libs-4.18.0-147.56.1.el8_1.x86_64.rpm perf-4.18.0-147.56.1.el8_1.x86_64.rpm perf-debuginfo-4.18.0-147.56.1.el8_1.x86_64.rpm python3-perf-4.18.0-147.56.1.el8_1.x86_64.rpm python3-perf-debuginfo-4.18.0-147.56.1.el8_1.x86_64.rpm Red Hat CodeReady Linux Builder EUS (v. 8.1): aarch64: bpftool-debuginfo-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-debug-debuginfo-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-debuginfo-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-tools-debuginfo-4.18.0-147.56.1.el8_1.aarch64.rpm kernel-tools-libs-devel-4.18.0-147.56.1.el8_1.aarch64.rpm perf-debuginfo-4.18.0-147.56.1.el8_1.aarch64.rpm python3-perf-debuginfo-4.18.0-147.56.1.el8_1.aarch64.rpm ppc64le: bpftool-debuginfo-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-debug-debuginfo-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-debuginfo-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-tools-debuginfo-4.18.0-147.56.1.el8_1.ppc64le.rpm kernel-tools-libs-devel-4.18.0-147.56.1.el8_1.ppc64le.rpm perf-debuginfo-4.18.0-147.56.1.el8_1.ppc64le.rpm python3-perf-debuginfo-4.18.0-147.56.1.el8_1.ppc64le.rpm x86_64: bpftool-debuginfo-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-debug-debuginfo-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-debuginfo-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-tools-debuginfo-4.18.0-147.56.1.el8_1.x86_64.rpm kernel-tools-libs-devel-4.18.0-147.56.1.el8_1.x86_64.rpm perf-debuginfo-4.18.0-147.56.1.el8_1.x86_64.rpm python3-perf-debuginfo-4.18.0-147.56.1.el8_1.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-2021-3653 https://access.redhat.com/security/cve/CVE-2021-3656 https://access.redhat.com/security/updates/classification/#moderate 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYVMoU9zjgjWX9erEAQj7Hw/7B4jfbBZDxD/EwrYYkix835qtbNor28yB ScE13wiandGeli7rBfVk+A2LUIwX3h3KpjMUiuQuZkHSqU/EehPhkJldg+uLqCTP n48V2GD8ihBnAOt8Mh3XhXydnFJnKgLK2hTgZiXjZ6qdIe1Bc3iMNRmCdm+st7Gb t5pUkMOKEHM1FWp8C1jEMRHnIh0HsrbdZo3E34Y7dsqTv2b0F3kKpPBEw1iR+SmJ wcwQj+UU9P1t347xzEE6gI0jorlunuThmfGn5gRfIpVRyon9FjNhzJbm1LcXAnrE xRcIZDXVi/b6WIr2HBMIqzfMsoh9g01ojcx51EryzSYAaCbKO3Ng7++rSVJ69tim VzvUiDgZ5dANxT74sXd9t0s1/aGcFNBAMOr9LW6V7tBlm5mSHl1zhXqiCqkoxCuH EKYMci39rTWC+bx4XKRUbyC0YHr39VI92EENr2Tf2g/ePRqfqtpiAacwupTgazYH /7lBLYqPqyfxnbDTvlqzmlMVXz1qlNrlQ8EhelhBzJU7NF1A8RqWZErm7PKuyPot 3feRIVWYX5S5caCpJM9dREKeNzJ89zCypkeSmlzwi5X1C/MsPIqBSTY3WM1mnIbT lsNVcTUWzChy92/zkuVVAKHriJLMJiQhV/uprFP0QCHuxdna+r3pjMQSAeMZjSFx +1XIdqOF8Ic= =TDFN - -----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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