-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: kernel security and bug fix update Advisory ID: RHSA-2021:3438-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:3438 Issue date: 2021-09-07 CVE Names: CVE-2021-3715 ==================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 7. 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 Enterprise Linux Client (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - 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 route4_change() in net/sched/cls_route.c (CVE-2021-3715) 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): * [RHEL 7.8][s390x][DASD]Crash in __list_del_entry, alias_pav_group list corrupt when running dasd_alias_remove_device() (BZ#1889418) * EMBARGOED CVE-2021-3715 kernel: use-after-free in route4_change() in net/sched/cls_route.c (BZ#1992926) 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/): 1993988 - CVE-2021-3715 kernel: use-after-free in route4_change() in net/sched/cls_route.c 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: kernel-3.10.0-1160.42.2.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1160.42.2.el7.noarch.rpm kernel-doc-3.10.0-1160.42.2.el7.noarch.rpm x86_64: bpftool-3.10.0-1160.42.2.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debug-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debug-devel-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.42.2.el7.x86_64.rpm kernel-devel-3.10.0-1160.42.2.el7.x86_64.rpm kernel-headers-3.10.0-1160.42.2.el7.x86_64.rpm kernel-tools-3.10.0-1160.42.2.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-tools-libs-3.10.0-1160.42.2.el7.x86_64.rpm perf-3.10.0-1160.42.2.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm python-perf-3.10.0-1160.42.2.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: bpftool-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.42.2.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1160.42.2.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: kernel-3.10.0-1160.42.2.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1160.42.2.el7.noarch.rpm kernel-doc-3.10.0-1160.42.2.el7.noarch.rpm x86_64: bpftool-3.10.0-1160.42.2.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debug-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debug-devel-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.42.2.el7.x86_64.rpm kernel-devel-3.10.0-1160.42.2.el7.x86_64.rpm kernel-headers-3.10.0-1160.42.2.el7.x86_64.rpm kernel-tools-3.10.0-1160.42.2.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-tools-libs-3.10.0-1160.42.2.el7.x86_64.rpm perf-3.10.0-1160.42.2.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm python-perf-3.10.0-1160.42.2.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): x86_64: bpftool-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.42.2.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1160.42.2.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: kernel-3.10.0-1160.42.2.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1160.42.2.el7.noarch.rpm kernel-doc-3.10.0-1160.42.2.el7.noarch.rpm ppc64: bpftool-3.10.0-1160.42.2.el7.ppc64.rpm bpftool-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm kernel-3.10.0-1160.42.2.el7.ppc64.rpm kernel-bootwrapper-3.10.0-1160.42.2.el7.ppc64.rpm kernel-debug-3.10.0-1160.42.2.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm kernel-debug-devel-3.10.0-1160.42.2.el7.ppc64.rpm kernel-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-1160.42.2.el7.ppc64.rpm kernel-devel-3.10.0-1160.42.2.el7.ppc64.rpm kernel-headers-3.10.0-1160.42.2.el7.ppc64.rpm kernel-tools-3.10.0-1160.42.2.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm kernel-tools-libs-3.10.0-1160.42.2.el7.ppc64.rpm perf-3.10.0-1160.42.2.el7.ppc64.rpm perf-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm python-perf-3.10.0-1160.42.2.el7.ppc64.rpm python-perf-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm ppc64le: bpftool-3.10.0-1160.42.2.el7.ppc64le.rpm bpftool-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm kernel-3.10.0-1160.42.2.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-1160.42.2.el7.ppc64le.rpm kernel-debug-3.10.0-1160.42.2.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm kernel-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-1160.42.2.el7.ppc64le.rpm kernel-devel-3.10.0-1160.42.2.el7.ppc64le.rpm kernel-headers-3.10.0-1160.42.2.el7.ppc64le.rpm kernel-tools-3.10.0-1160.42.2.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm kernel-tools-libs-3.10.0-1160.42.2.el7.ppc64le.rpm perf-3.10.0-1160.42.2.el7.ppc64le.rpm perf-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm python-perf-3.10.0-1160.42.2.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm s390x: bpftool-3.10.0-1160.42.2.el7.s390x.rpm bpftool-debuginfo-3.10.0-1160.42.2.el7.s390x.rpm kernel-3.10.0-1160.42.2.el7.s390x.rpm kernel-debug-3.10.0-1160.42.2.el7.s390x.rpm kernel-debug-debuginfo-3.10.0-1160.42.2.el7.s390x.rpm kernel-debug-devel-3.10.0-1160.42.2.el7.s390x.rpm kernel-debuginfo-3.10.0-1160.42.2.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-1160.42.2.el7.s390x.rpm kernel-devel-3.10.0-1160.42.2.el7.s390x.rpm kernel-headers-3.10.0-1160.42.2.el7.s390x.rpm kernel-kdump-3.10.0-1160.42.2.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-1160.42.2.el7.s390x.rpm kernel-kdump-devel-3.10.0-1160.42.2.el7.s390x.rpm perf-3.10.0-1160.42.2.el7.s390x.rpm perf-debuginfo-3.10.0-1160.42.2.el7.s390x.rpm python-perf-3.10.0-1160.42.2.el7.s390x.rpm python-perf-debuginfo-3.10.0-1160.42.2.el7.s390x.rpm x86_64: bpftool-3.10.0-1160.42.2.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debug-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debug-devel-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.42.2.el7.x86_64.rpm kernel-devel-3.10.0-1160.42.2.el7.x86_64.rpm kernel-headers-3.10.0-1160.42.2.el7.x86_64.rpm kernel-tools-3.10.0-1160.42.2.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-tools-libs-3.10.0-1160.42.2.el7.x86_64.rpm perf-3.10.0-1160.42.2.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm python-perf-3.10.0-1160.42.2.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: bpftool-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm kernel-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-1160.42.2.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm kernel-tools-libs-devel-3.10.0-1160.42.2.el7.ppc64.rpm perf-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm python-perf-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm ppc64le: bpftool-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm kernel-debug-devel-3.10.0-1160.42.2.el7.ppc64le.rpm kernel-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-1160.42.2.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-1160.42.2.el7.ppc64le.rpm perf-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm x86_64: bpftool-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.42.2.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1160.42.2.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: kernel-3.10.0-1160.42.2.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1160.42.2.el7.noarch.rpm kernel-doc-3.10.0-1160.42.2.el7.noarch.rpm x86_64: bpftool-3.10.0-1160.42.2.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debug-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debug-devel-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.42.2.el7.x86_64.rpm kernel-devel-3.10.0-1160.42.2.el7.x86_64.rpm kernel-headers-3.10.0-1160.42.2.el7.x86_64.rpm kernel-tools-3.10.0-1160.42.2.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-tools-libs-3.10.0-1160.42.2.el7.x86_64.rpm perf-3.10.0-1160.42.2.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm python-perf-3.10.0-1160.42.2.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: bpftool-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.42.2.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1160.42.2.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.42.2.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-2021-3715 https://access.redhat.com/security/updates/classification/#moderate 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 iQIVAwUBYTeFBNzjgjWX9erEAQjZDQ/+JLt4Sw0CJ3Lc+rJDOUFcBNVISWUr0dGX 0V8ADya+xnDYh+Gz6n8K0d/zRm00JgAqSF/bR7kLlBmDX0qqtc0kqVhO1RWYkIib ntedmOrqLXfEV3RdNvfj4IC3XG++AjpScAmsAS85HaC4XGdURe83i43QTrfJBJLE tKjojSFae97kuWv+tyWhRBPnF1w6bvHtXknMLHYmCBdt22kP+fPJ1U1VEZ3Yct58 KJO6k9euIHNOLQUXl3f78VPUxhkxrJzfq/nqI0Skk0TAbGmtoWha+JaQ0YFcbKtN 9XX1Z2vP2BQFI4GQ8siR6OjoSIfKDmw4U6TDyvYKvUZkDXrFjW5Ev/4iBShIIVZ7 KX5BZUBiOXSOXBmeRWoPsPe+um6wF/Rtw6q3XpWkCEj5VFipi2QPdEblWR6x2IeF v7efXnU/vGg1yyi6i/P5zoQ2/DR6LZcLeZy9CZUMYQeT5eftK3Z8O3jHH8xrIQE1 UwKseEeKaVo+m6uszurn8sTXzgvRlLrzItoXEHp02gYcPrC5iPdI4V2Y/IRuDPe1 8DehA5r5A9g0mTQGa79+HhCxtc2hpKmQirOJWAV0wE6HYKlJcHqDmfeWGtAfSE85 4PMCNOBvlEH3OPhQ0cXS4YKaUnamZbmbsmW6uKipz06CI3lDabFcIU/nZz4Sao6e h3Gt0oygse0=GTbW -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce