-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel security, bug fix, and enhancement update Advisory ID: RHSA-2022:0820-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:0820 Issue date: 2022-03-10 CVE Names: CVE-2021-4083 CVE-2022-0330 CVE-2022-0492 CVE-2022-0847 CVE-2022-22942 ==================================================================== 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 Critical. 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. The following packages have been upgraded to a later upstream version: kernel (4.18.0). (BZ#2036933) Security Fix(es): * kernel: improper initialization of the "flags" member of the new pipe_buffer (CVE-2022-0847) * kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083) * kernel: possible privileges escalation due to missing TLB flush (CVE-2022-0330) * kernel: cgroups v1 release_agent feature may allow privilege escalation (CVE-2022-0492) * kernel: failing usercopy allows for use-after-free exploitation (CVE-2022-22942) 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): * [Intel 8.3 Bug] ICX Whitley: PCIe - kernel panic with AER-INJECT (BZ#2040309) * [ESXi][RHEL8] A task is stuck waiting for the completion of the vmci_resouce releasing upon the balloon reset. [None8.2.0.z] (BZ#2052200) 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/): 2029923 - CVE-2021-4083 kernel: fget: check that the fd still exists after getting a ref to it 2042404 - CVE-2022-0330 kernel: possible privileges escalation due to missing TLB flush 2044809 - CVE-2022-22942 kernel: failing usercopy allows for use-after-free exploitation 2051505 - CVE-2022-0492 kernel: cgroups v1 release_agent feature may allow privilege escalation 2060795 - CVE-2022-0847 kernel: improper initialization of the "flags" member of the new pipe_buffer 6. Package List: Red Hat Enterprise Linux BaseOS EUS (v. 8.2): Source: kernel-4.18.0-193.79.1.el8_2.src.rpm aarch64: bpftool-4.18.0-193.79.1.el8_2.aarch64.rpm bpftool-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-core-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-cross-headers-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-debug-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-debug-core-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-debug-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-debug-devel-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-debug-modules-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-debug-modules-extra-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-devel-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-headers-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-modules-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-modules-extra-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-tools-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-tools-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-tools-libs-4.18.0-193.79.1.el8_2.aarch64.rpm perf-4.18.0-193.79.1.el8_2.aarch64.rpm perf-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm python3-perf-4.18.0-193.79.1.el8_2.aarch64.rpm python3-perf-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm noarch: kernel-abi-whitelists-4.18.0-193.79.1.el8_2.noarch.rpm kernel-doc-4.18.0-193.79.1.el8_2.noarch.rpm ppc64le: bpftool-4.18.0-193.79.1.el8_2.ppc64le.rpm bpftool-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-core-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-cross-headers-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-debug-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-debug-core-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-debug-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-debug-devel-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-debug-modules-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-debug-modules-extra-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-devel-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-headers-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-modules-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-modules-extra-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-tools-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-tools-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-tools-libs-4.18.0-193.79.1.el8_2.ppc64le.rpm perf-4.18.0-193.79.1.el8_2.ppc64le.rpm perf-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm python3-perf-4.18.0-193.79.1.el8_2.ppc64le.rpm python3-perf-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm s390x: bpftool-4.18.0-193.79.1.el8_2.s390x.rpm bpftool-debuginfo-4.18.0-193.79.1.el8_2.s390x.rpm kernel-4.18.0-193.79.1.el8_2.s390x.rpm kernel-core-4.18.0-193.79.1.el8_2.s390x.rpm kernel-cross-headers-4.18.0-193.79.1.el8_2.s390x.rpm kernel-debug-4.18.0-193.79.1.el8_2.s390x.rpm kernel-debug-core-4.18.0-193.79.1.el8_2.s390x.rpm kernel-debug-debuginfo-4.18.0-193.79.1.el8_2.s390x.rpm kernel-debug-devel-4.18.0-193.79.1.el8_2.s390x.rpm kernel-debug-modules-4.18.0-193.79.1.el8_2.s390x.rpm kernel-debug-modules-extra-4.18.0-193.79.1.el8_2.s390x.rpm kernel-debuginfo-4.18.0-193.79.1.el8_2.s390x.rpm kernel-debuginfo-common-s390x-4.18.0-193.79.1.el8_2.s390x.rpm kernel-devel-4.18.0-193.79.1.el8_2.s390x.rpm kernel-headers-4.18.0-193.79.1.el8_2.s390x.rpm kernel-modules-4.18.0-193.79.1.el8_2.s390x.rpm kernel-modules-extra-4.18.0-193.79.1.el8_2.s390x.rpm kernel-tools-4.18.0-193.79.1.el8_2.s390x.rpm kernel-tools-debuginfo-4.18.0-193.79.1.el8_2.s390x.rpm kernel-zfcpdump-4.18.0-193.79.1.el8_2.s390x.rpm kernel-zfcpdump-core-4.18.0-193.79.1.el8_2.s390x.rpm kernel-zfcpdump-debuginfo-4.18.0-193.79.1.el8_2.s390x.rpm kernel-zfcpdump-devel-4.18.0-193.79.1.el8_2.s390x.rpm kernel-zfcpdump-modules-4.18.0-193.79.1.el8_2.s390x.rpm kernel-zfcpdump-modules-extra-4.18.0-193.79.1.el8_2.s390x.rpm perf-4.18.0-193.79.1.el8_2.s390x.rpm perf-debuginfo-4.18.0-193.79.1.el8_2.s390x.rpm python3-perf-4.18.0-193.79.1.el8_2.s390x.rpm python3-perf-debuginfo-4.18.0-193.79.1.el8_2.s390x.rpm x86_64: bpftool-4.18.0-193.79.1.el8_2.x86_64.rpm bpftool-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-core-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-cross-headers-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-debug-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-debug-core-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-debug-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-debug-devel-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-debug-modules-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-debug-modules-extra-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-devel-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-headers-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-modules-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-modules-extra-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-tools-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-tools-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-tools-libs-4.18.0-193.79.1.el8_2.x86_64.rpm perf-4.18.0-193.79.1.el8_2.x86_64.rpm perf-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm python3-perf-4.18.0-193.79.1.el8_2.x86_64.rpm python3-perf-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm Red Hat CodeReady Linux Builder EUS (v. 8.2): aarch64: bpftool-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-debug-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-tools-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm kernel-tools-libs-devel-4.18.0-193.79.1.el8_2.aarch64.rpm perf-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm python3-perf-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm ppc64le: bpftool-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-debug-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-tools-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm kernel-tools-libs-devel-4.18.0-193.79.1.el8_2.ppc64le.rpm perf-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm python3-perf-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm x86_64: bpftool-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-debug-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-tools-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm kernel-tools-libs-devel-4.18.0-193.79.1.el8_2.x86_64.rpm perf-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm python3-perf-debuginfo-4.18.0-193.79.1.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-2021-4083 https://access.redhat.com/security/cve/CVE-2022-0330 https://access.redhat.com/security/cve/CVE-2022-0492 https://access.redhat.com/security/cve/CVE-2022-0847 https://access.redhat.com/security/cve/CVE-2022-22942 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/RHSB-2022-002 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2022 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYippnNzjgjWX9erEAQgeIA/8DjMqXgeKBWJlF/juiqi+DTsTZw1SwsGt 1Hp0MqSHnmQGnDQ7fm4Ifn63Apmgk+oxWgepaIVrMtWf2rhmXyDpRfCtgjXU5rRj YVzl84tQGZyWBCBYA5R9Xa6/iSYWyFC0CJ5d0MvZ7uNGVSWj8F5Ne1u7/yJYcREQ 38224Coz5ED0NFBHYM/GSnPdL+l7nfmIA3VEmr25njpgbHM3hjnn2B98klp27h+L QP2ONO2XAax/aikdT6NVqAG2G6HQ2BkG3BOZAhXUJoSV6MI6OpPyxlg5RH0445xx 53nWsgs+oenfh7yJV5i+gCNUbJV7hhp9HJ9DTOj/VT6BsYAtz1baY47NrDdrmHzj mKx8gYVEXtoKLBkmrcoBmLH4sGIu+9DsComN1FJBuJij4nX8aIdIXZAsE414qd5V oNra4L/eS+mTziD6Q6jwSeVCOCdqxOdqpL9JeIiWKlOW3WjAG7VnPvLWJoXKQeEJ hvtnZY6/SMMZQ5p3qq0pJVRa7jsaGevT7BFyOkH+6ephJedX9FcSkDP2iWFmrXQk l9kkHgqHsm6tMM7gr7/yTHzKyOQblaaB0czOTNexTVg3qRQ1Tpiz+IoV8A7FBzrB M69wkaT/IAmuc/FeXNe94/ZLj2oeHjTFhZp+p8YClbmRtLd+Mb3p6Gz1uWhuka4U 7ibzusummRs=QzAW -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce