-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2021:3446-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:3446 Issue date: 2021-09-07 CVE Names: CVE-2021-0512 CVE-2021-3715 CVE-2021-37576 ==================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 8.2 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. 8.2) - aarch64, ppc64le, x86_64 Red Hat Enterprise Linux BaseOS EUS (v. 8.2) - 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: out-of-bounds write due to a heap buffer overflow in __hidinput_change_resolution_multipliers() of hid-input.c (CVE-2021-0512) * kernel: use-after-free in route4_change() in net/sched/cls_route.c (CVE-2021-3715) * kernel: powerpc: KVM guest OS users can cause host OS memory corruption (CVE-2021-37576) 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): * Guest kernel call trace when boot up with 4T memory and 2 vcpus (BZ#1993552) 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/): 1974491 - CVE-2021-0512 kernel: out-of-bounds write due to a heap buffer overflow in __hidinput_change_resolution_multipliers() of hid-input.c 1986506 - CVE-2021-37576 kernel: powerpc: KVM guest OS users can cause host OS memory corruption 1993988 - CVE-2021-3715 kernel: use-after-free in route4_change() in net/sched/cls_route.c 6. Package List: Red Hat Enterprise Linux BaseOS EUS (v. 8.2): Source: kernel-4.18.0-193.65.2.el8_2.src.rpm aarch64: bpftool-4.18.0-193.65.2.el8_2.aarch64.rpm bpftool-debuginfo-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-core-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-cross-headers-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-debug-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-debug-core-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-debug-debuginfo-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-debug-devel-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-debug-modules-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-debug-modules-extra-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-debuginfo-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-devel-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-headers-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-modules-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-modules-extra-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-tools-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-tools-debuginfo-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-tools-libs-4.18.0-193.65.2.el8_2.aarch64.rpm perf-4.18.0-193.65.2.el8_2.aarch64.rpm perf-debuginfo-4.18.0-193.65.2.el8_2.aarch64.rpm python3-perf-4.18.0-193.65.2.el8_2.aarch64.rpm python3-perf-debuginfo-4.18.0-193.65.2.el8_2.aarch64.rpm noarch: kernel-abi-whitelists-4.18.0-193.65.2.el8_2.noarch.rpm kernel-doc-4.18.0-193.65.2.el8_2.noarch.rpm ppc64le: bpftool-4.18.0-193.65.2.el8_2.ppc64le.rpm bpftool-debuginfo-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-core-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-cross-headers-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-debug-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-debug-core-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-debug-debuginfo-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-debug-devel-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-debug-modules-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-debug-modules-extra-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-debuginfo-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-devel-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-headers-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-modules-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-modules-extra-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-tools-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-tools-debuginfo-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-tools-libs-4.18.0-193.65.2.el8_2.ppc64le.rpm perf-4.18.0-193.65.2.el8_2.ppc64le.rpm perf-debuginfo-4.18.0-193.65.2.el8_2.ppc64le.rpm python3-perf-4.18.0-193.65.2.el8_2.ppc64le.rpm python3-perf-debuginfo-4.18.0-193.65.2.el8_2.ppc64le.rpm s390x: bpftool-4.18.0-193.65.2.el8_2.s390x.rpm bpftool-debuginfo-4.18.0-193.65.2.el8_2.s390x.rpm kernel-4.18.0-193.65.2.el8_2.s390x.rpm kernel-core-4.18.0-193.65.2.el8_2.s390x.rpm kernel-cross-headers-4.18.0-193.65.2.el8_2.s390x.rpm kernel-debug-4.18.0-193.65.2.el8_2.s390x.rpm kernel-debug-core-4.18.0-193.65.2.el8_2.s390x.rpm kernel-debug-debuginfo-4.18.0-193.65.2.el8_2.s390x.rpm kernel-debug-devel-4.18.0-193.65.2.el8_2.s390x.rpm kernel-debug-modules-4.18.0-193.65.2.el8_2.s390x.rpm kernel-debug-modules-extra-4.18.0-193.65.2.el8_2.s390x.rpm kernel-debuginfo-4.18.0-193.65.2.el8_2.s390x.rpm kernel-debuginfo-common-s390x-4.18.0-193.65.2.el8_2.s390x.rpm kernel-devel-4.18.0-193.65.2.el8_2.s390x.rpm kernel-headers-4.18.0-193.65.2.el8_2.s390x.rpm kernel-modules-4.18.0-193.65.2.el8_2.s390x.rpm kernel-modules-extra-4.18.0-193.65.2.el8_2.s390x.rpm kernel-tools-4.18.0-193.65.2.el8_2.s390x.rpm kernel-tools-debuginfo-4.18.0-193.65.2.el8_2.s390x.rpm kernel-zfcpdump-4.18.0-193.65.2.el8_2.s390x.rpm kernel-zfcpdump-core-4.18.0-193.65.2.el8_2.s390x.rpm kernel-zfcpdump-debuginfo-4.18.0-193.65.2.el8_2.s390x.rpm kernel-zfcpdump-devel-4.18.0-193.65.2.el8_2.s390x.rpm kernel-zfcpdump-modules-4.18.0-193.65.2.el8_2.s390x.rpm kernel-zfcpdump-modules-extra-4.18.0-193.65.2.el8_2.s390x.rpm perf-4.18.0-193.65.2.el8_2.s390x.rpm perf-debuginfo-4.18.0-193.65.2.el8_2.s390x.rpm python3-perf-4.18.0-193.65.2.el8_2.s390x.rpm python3-perf-debuginfo-4.18.0-193.65.2.el8_2.s390x.rpm x86_64: bpftool-4.18.0-193.65.2.el8_2.x86_64.rpm bpftool-debuginfo-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-core-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-cross-headers-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-debug-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-debug-core-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-debug-debuginfo-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-debug-devel-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-debug-modules-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-debug-modules-extra-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-debuginfo-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-devel-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-headers-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-modules-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-modules-extra-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-tools-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-tools-debuginfo-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-tools-libs-4.18.0-193.65.2.el8_2.x86_64.rpm perf-4.18.0-193.65.2.el8_2.x86_64.rpm perf-debuginfo-4.18.0-193.65.2.el8_2.x86_64.rpm python3-perf-4.18.0-193.65.2.el8_2.x86_64.rpm python3-perf-debuginfo-4.18.0-193.65.2.el8_2.x86_64.rpm Red Hat CodeReady Linux Builder EUS (v. 8.2): aarch64: bpftool-debuginfo-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-debug-debuginfo-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-debuginfo-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-tools-debuginfo-4.18.0-193.65.2.el8_2.aarch64.rpm kernel-tools-libs-devel-4.18.0-193.65.2.el8_2.aarch64.rpm perf-debuginfo-4.18.0-193.65.2.el8_2.aarch64.rpm python3-perf-debuginfo-4.18.0-193.65.2.el8_2.aarch64.rpm ppc64le: bpftool-debuginfo-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-debug-debuginfo-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-debuginfo-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-tools-debuginfo-4.18.0-193.65.2.el8_2.ppc64le.rpm kernel-tools-libs-devel-4.18.0-193.65.2.el8_2.ppc64le.rpm perf-debuginfo-4.18.0-193.65.2.el8_2.ppc64le.rpm python3-perf-debuginfo-4.18.0-193.65.2.el8_2.ppc64le.rpm x86_64: bpftool-debuginfo-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-debug-debuginfo-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-debuginfo-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-tools-debuginfo-4.18.0-193.65.2.el8_2.x86_64.rpm kernel-tools-libs-devel-4.18.0-193.65.2.el8_2.x86_64.rpm perf-debuginfo-4.18.0-193.65.2.el8_2.x86_64.rpm python3-perf-debuginfo-4.18.0-193.65.2.el8_2.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-2021-0512 https://access.redhat.com/security/cve/CVE-2021-3715 https://access.redhat.com/security/cve/CVE-2021-37576 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYTeXxNzjgjWX9erEAQgF0Q//bmsmkGcRhUiSJmN3WagYSj6D9fHYH3e4 10veNq8nMCs41mTU5B49qiw6Pj5DHS/AZfyyz9nAkdipA3pEAPJd/V12DGWm2mf3 tfEWxkuA1XqlpxgsMjd5STz9XTpj7ibodOWA+g3yEupRtiYlNL5biSITzEYJbP+l bygr7F4e0TqhS3afq7PedYkR0RChK1ZJx7MRNek0qVw5gHdFC00XSfonuu6zAdf8 rpJi+ox7b+5A/FdUbewAcqoe71R5IfQt/AX+OztWu6wZqT3JksH8r0SzliyqcZp1 DkDZvRcT8sLco40NI4/Ko7pAeJg86eaQNh8Oj/FTOCf3ahAPAjnGFqAk/6qqP79h aqgrB/Ei/7wVPjES7z5RLwVOtVACT9EB+UblUbBzjTHkdvE+ZtPlJ2dtwleIcoa3 qceo09aR7Z48+Q6VMsLkH6wROvztIX4zfQIcbiAO/+Oil/Gpif4RY30SxDeT0lFK qksDFYiifQ4uwY8WVoHceNOc8mEj+jBSuFWhMS/ieyAPB1vOah4hHOUXLSAqybE8 7hR0hKaszImKMx5uFjkmnrPZQWKHrtduuA/moUNFLh3r4jzjIbMxsrw64CistEW3 cXbPfkUauBxjZuXBUVTOfvFwl+nibyLy1oX/d6dgj5pSI9xgZM2KlwOp36Ud5GMw 0m7c7ccYqTY=+mNM -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce