-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security update Advisory ID: RHSA-2022:0712-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:0712 Issue date: 2022-03-01 CVE Names: CVE-2020-0466 CVE-2021-4155 CVE-2022-0330 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 7.7 Advanced Update Support, Red Hat Enterprise Linux 7.7 Telco Extended Update Support, and Red Hat Enterprise Linux 7.7 Update Services for SAP Solutions. 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 Enterprise Linux Server AUS (v. 7.7) - noarch, x86_64 Red Hat Enterprise Linux Server E4S (v. 7.7) - noarch, ppc64le, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 7.7) - x86_64 Red Hat Enterprise Linux Server Optional E4S (v. 7.6) - ppc64le, x86_64 Red Hat Enterprise Linux Server Optional TUS (v. 7.7) - x86_64 Red Hat Enterprise Linux Server TUS (v. 7.7) - noarch, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: use after free in eventpoll.c may lead to escalation of privilege (CVE-2020-0466) * kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL (CVE-2021-4155) * kernel: possible privileges escalation due to missing TLB flush (CVE-2022-0330) 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. 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/): 1920480 - CVE-2020-0466 kernel: use after free in eventpoll.c may lead to escalation of privilege 2034813 - CVE-2021-4155 kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL 2042404 - CVE-2022-0330 kernel: possible privileges escalation due to missing TLB flush 6. Package List: Red Hat Enterprise Linux Server AUS (v. 7.7): Source: kernel-3.10.0-1062.63.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1062.63.1.el7.noarch.rpm kernel-doc-3.10.0-1062.63.1.el7.noarch.rpm x86_64: bpftool-3.10.0-1062.63.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debug-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.63.1.el7.x86_64.rpm kernel-devel-3.10.0-1062.63.1.el7.x86_64.rpm kernel-headers-3.10.0-1062.63.1.el7.x86_64.rpm kernel-tools-3.10.0-1062.63.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1062.63.1.el7.x86_64.rpm perf-3.10.0-1062.63.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm python-perf-3.10.0-1062.63.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm Red Hat Enterprise Linux Server E4S (v. 7.7): Source: kernel-3.10.0-1062.63.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1062.63.1.el7.noarch.rpm kernel-doc-3.10.0-1062.63.1.el7.noarch.rpm ppc64le: bpftool-3.10.0-1062.63.1.el7.ppc64le.rpm bpftool-debuginfo-3.10.0-1062.63.1.el7.ppc64le.rpm kernel-3.10.0-1062.63.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-1062.63.1.el7.ppc64le.rpm kernel-debug-3.10.0-1062.63.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-1062.63.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-1062.63.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-1062.63.1.el7.ppc64le.rpm kernel-devel-3.10.0-1062.63.1.el7.ppc64le.rpm kernel-headers-3.10.0-1062.63.1.el7.ppc64le.rpm kernel-tools-3.10.0-1062.63.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-1062.63.1.el7.ppc64le.rpm kernel-tools-libs-3.10.0-1062.63.1.el7.ppc64le.rpm perf-3.10.0-1062.63.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-1062.63.1.el7.ppc64le.rpm python-perf-3.10.0-1062.63.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-1062.63.1.el7.ppc64le.rpm x86_64: bpftool-3.10.0-1062.63.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debug-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.63.1.el7.x86_64.rpm kernel-devel-3.10.0-1062.63.1.el7.x86_64.rpm kernel-headers-3.10.0-1062.63.1.el7.x86_64.rpm kernel-tools-3.10.0-1062.63.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1062.63.1.el7.x86_64.rpm perf-3.10.0-1062.63.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm python-perf-3.10.0-1062.63.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm Red Hat Enterprise Linux Server TUS (v. 7.7): Source: kernel-3.10.0-1062.63.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1062.63.1.el7.noarch.rpm kernel-doc-3.10.0-1062.63.1.el7.noarch.rpm x86_64: bpftool-3.10.0-1062.63.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debug-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.63.1.el7.x86_64.rpm kernel-devel-3.10.0-1062.63.1.el7.x86_64.rpm kernel-headers-3.10.0-1062.63.1.el7.x86_64.rpm kernel-tools-3.10.0-1062.63.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1062.63.1.el7.x86_64.rpm perf-3.10.0-1062.63.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm python-perf-3.10.0-1062.63.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional AUS (v. 7.7): x86_64: bpftool-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.63.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1062.63.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional E4S (v. 7.6): ppc64le: bpftool-debuginfo-3.10.0-1062.63.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-1062.63.1.el7.ppc64le.rpm kernel-debug-devel-3.10.0-1062.63.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-1062.63.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-1062.63.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-1062.63.1.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-1062.63.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-1062.63.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-1062.63.1.el7.ppc64le.rpm x86_64: bpftool-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.63.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1062.63.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional TUS (v. 7.7): x86_64: bpftool-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.63.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1062.63.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.63.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.63.1.el7.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-2020-0466 https://access.redhat.com/security/cve/CVE-2021-4155 https://access.redhat.com/security/cve/CVE-2022-0330 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 2022 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYh5GXtzjgjWX9erEAQi+0Q/+Lhu3wDa3K93uMd6Ej1BVD1DRdTGOvUvP kyjA3/0mYViassI4mqHqcZrmL/kmSe/kA5CiY70IhrsmH0y/zPICdGKDUbjoU+/g DQDAjBw7hio6/kJsEG/EtuZQ+ElLpv/V9pkmU1S6lRsH3+s/ALwAPrv26MkpMtMC V5y6ySLa/cnOiuN+rw54TFY/1k0ys5yG2YKYjRnZSCQSNZYQZExc3EVBH226dxyW wsN4BbYSzL8oYxuFr4Rr2UgO+L3UHp/dMs5rmWQMMsZaj0qeq4nmi9a+gxyFYvbG 4mjXDfjczJWymiRY39mqM9SxIuHZBzF2RB23239unTVmrtiAqw9Ks5RndjtUEg1K AEl9eoWsdYl3KCyGP6zjMfuGjo3OrZ55f3j1crAzqU5OWevzyOyalFZaGq7jN5d0 UCNWGfwDCdBdhXBJCK9bkTMseFe8nMCUyLGWyKvj35OAYwkw1mzsMnZlTgw8y751 yLZgAv7ShOYiOjaj6qVdJDCpMIN7wflzswIim9k7kwnXCFA6pO2Vp1NhYdjuw5B0 2AYrNeSNQtMJ1UWzkpIBLm/RPL5Nr1KIgkmmeDcRXDSkoN2eeDeEJeBBf8AUf1gL dP/zsHyXIgHx7aelsg1MiKRhD48INTBXBjxWc3veQPomC5PVUgGDE7808569sTmg B6UzAX7QUoY= =Hrxq -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce