-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel security update Advisory ID: RHSA-2021:3173-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:3173 Issue date: 2021-08-17 CVE Names: CVE-2021-22543 CVE-2021-22555 CVE-2021-32399 ==================================================================== 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 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. 8.1) - 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: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks (CVE-2021-22543) * kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c (CVE-2021-22555) * kernel: race condition for removal of the HCI controller (CVE-2021-32399) 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/): 1965461 - CVE-2021-22543 kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks 1970807 - CVE-2021-32399 kernel: race condition for removal of the HCI controller 1980101 - CVE-2021-22555 kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c 6. Package List: Red Hat Enterprise Linux BaseOS EUS (v. 8.1): Source: kernel-4.18.0-147.52.1.el8_1.src.rpm aarch64: bpftool-4.18.0-147.52.1.el8_1.aarch64.rpm bpftool-debuginfo-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-core-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-cross-headers-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-debug-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-debug-core-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-debug-debuginfo-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-debug-devel-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-debug-modules-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-debug-modules-extra-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-debuginfo-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-devel-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-headers-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-modules-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-modules-extra-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-tools-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-tools-debuginfo-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-tools-libs-4.18.0-147.52.1.el8_1.aarch64.rpm perf-4.18.0-147.52.1.el8_1.aarch64.rpm perf-debuginfo-4.18.0-147.52.1.el8_1.aarch64.rpm python3-perf-4.18.0-147.52.1.el8_1.aarch64.rpm python3-perf-debuginfo-4.18.0-147.52.1.el8_1.aarch64.rpm noarch: kernel-abi-whitelists-4.18.0-147.52.1.el8_1.noarch.rpm kernel-doc-4.18.0-147.52.1.el8_1.noarch.rpm ppc64le: bpftool-4.18.0-147.52.1.el8_1.ppc64le.rpm bpftool-debuginfo-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-core-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-cross-headers-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-debug-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-debug-core-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-debug-debuginfo-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-debug-devel-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-debug-modules-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-debug-modules-extra-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-debuginfo-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-devel-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-headers-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-modules-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-modules-extra-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-tools-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-tools-debuginfo-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-tools-libs-4.18.0-147.52.1.el8_1.ppc64le.rpm perf-4.18.0-147.52.1.el8_1.ppc64le.rpm perf-debuginfo-4.18.0-147.52.1.el8_1.ppc64le.rpm python3-perf-4.18.0-147.52.1.el8_1.ppc64le.rpm python3-perf-debuginfo-4.18.0-147.52.1.el8_1.ppc64le.rpm s390x: bpftool-4.18.0-147.52.1.el8_1.s390x.rpm bpftool-debuginfo-4.18.0-147.52.1.el8_1.s390x.rpm kernel-4.18.0-147.52.1.el8_1.s390x.rpm kernel-core-4.18.0-147.52.1.el8_1.s390x.rpm kernel-cross-headers-4.18.0-147.52.1.el8_1.s390x.rpm kernel-debug-4.18.0-147.52.1.el8_1.s390x.rpm kernel-debug-core-4.18.0-147.52.1.el8_1.s390x.rpm kernel-debug-debuginfo-4.18.0-147.52.1.el8_1.s390x.rpm kernel-debug-devel-4.18.0-147.52.1.el8_1.s390x.rpm kernel-debug-modules-4.18.0-147.52.1.el8_1.s390x.rpm kernel-debug-modules-extra-4.18.0-147.52.1.el8_1.s390x.rpm kernel-debuginfo-4.18.0-147.52.1.el8_1.s390x.rpm kernel-debuginfo-common-s390x-4.18.0-147.52.1.el8_1.s390x.rpm kernel-devel-4.18.0-147.52.1.el8_1.s390x.rpm kernel-headers-4.18.0-147.52.1.el8_1.s390x.rpm kernel-modules-4.18.0-147.52.1.el8_1.s390x.rpm kernel-modules-extra-4.18.0-147.52.1.el8_1.s390x.rpm kernel-tools-4.18.0-147.52.1.el8_1.s390x.rpm kernel-tools-debuginfo-4.18.0-147.52.1.el8_1.s390x.rpm kernel-zfcpdump-4.18.0-147.52.1.el8_1.s390x.rpm kernel-zfcpdump-core-4.18.0-147.52.1.el8_1.s390x.rpm kernel-zfcpdump-debuginfo-4.18.0-147.52.1.el8_1.s390x.rpm kernel-zfcpdump-devel-4.18.0-147.52.1.el8_1.s390x.rpm kernel-zfcpdump-modules-4.18.0-147.52.1.el8_1.s390x.rpm kernel-zfcpdump-modules-extra-4.18.0-147.52.1.el8_1.s390x.rpm perf-4.18.0-147.52.1.el8_1.s390x.rpm perf-debuginfo-4.18.0-147.52.1.el8_1.s390x.rpm python3-perf-4.18.0-147.52.1.el8_1.s390x.rpm python3-perf-debuginfo-4.18.0-147.52.1.el8_1.s390x.rpm x86_64: bpftool-4.18.0-147.52.1.el8_1.x86_64.rpm bpftool-debuginfo-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-core-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-cross-headers-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-debug-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-debug-core-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-debug-debuginfo-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-debug-devel-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-debug-modules-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-debug-modules-extra-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-debuginfo-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-devel-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-headers-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-modules-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-modules-extra-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-tools-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-tools-debuginfo-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-tools-libs-4.18.0-147.52.1.el8_1.x86_64.rpm perf-4.18.0-147.52.1.el8_1.x86_64.rpm perf-debuginfo-4.18.0-147.52.1.el8_1.x86_64.rpm python3-perf-4.18.0-147.52.1.el8_1.x86_64.rpm python3-perf-debuginfo-4.18.0-147.52.1.el8_1.x86_64.rpm Red Hat CodeReady Linux Builder EUS (v. 8.1): aarch64: bpftool-debuginfo-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-debug-debuginfo-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-debuginfo-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-tools-debuginfo-4.18.0-147.52.1.el8_1.aarch64.rpm kernel-tools-libs-devel-4.18.0-147.52.1.el8_1.aarch64.rpm perf-debuginfo-4.18.0-147.52.1.el8_1.aarch64.rpm python3-perf-debuginfo-4.18.0-147.52.1.el8_1.aarch64.rpm ppc64le: bpftool-debuginfo-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-debug-debuginfo-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-debuginfo-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-tools-debuginfo-4.18.0-147.52.1.el8_1.ppc64le.rpm kernel-tools-libs-devel-4.18.0-147.52.1.el8_1.ppc64le.rpm perf-debuginfo-4.18.0-147.52.1.el8_1.ppc64le.rpm python3-perf-debuginfo-4.18.0-147.52.1.el8_1.ppc64le.rpm x86_64: bpftool-debuginfo-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-debug-debuginfo-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-debuginfo-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-tools-debuginfo-4.18.0-147.52.1.el8_1.x86_64.rpm kernel-tools-libs-devel-4.18.0-147.52.1.el8_1.x86_64.rpm perf-debuginfo-4.18.0-147.52.1.el8_1.x86_64.rpm python3-perf-debuginfo-4.18.0-147.52.1.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-2021-22543 https://access.redhat.com/security/cve/CVE-2021-22555 https://access.redhat.com/security/cve/CVE-2021-32399 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 iQIVAwUBYRt0V9zjgjWX9erEAQhtXA//aYC21FEfVSYF/0N1IMsDlT59NZZlvIpX i/SdhfzvO2iXNo3gqQWXvjxd+QKULAD0UbzKMNqln94MPZYGiY1IGJeHh8jdgjTV OKGMkXSloGs4neDgDCoG07+F3CGdlH5yty7/F6vFEHJ2TKajxUHCC32a1av/o85v iG7+TDG7wa5AS9q5W4rBNvyjuR6+0IKXYa3PlP5j3yD++sk8pwX8I6tjuGIQGcyt XqddLaTn4RcX1rJROF7M67Wix80q6vndt6QLNZnEEHGltKsr376vyAXqPS/xhxTy nOpCR0X+E4TiYF6bQJCaz8b7ZSORC4eW84/d46JUN3O0GYOr996zq+rZaxxQKACs icAqQxTMsDKf57sfRiyUi89HFq5TzWwORplURkwh7F3LbqrNoX8bZk6ZNiiaQdKi klNj/W6vKR+Dlj+72JJs7IV+lc5sP088bY5ORdEe3KyLkfcmVrDM5LODwdPlCAHi 9dLFe3l0HL3cBu4vRI7VLH8SsSNgyBo68LjFUZs6SqoYzU2xmr+2nrjy99zESQma Z6b6tyD0zYRhgPu5bVKmhZDrGyJFGtEXr/9E1St+xRPw1DQ4FGQ85ibW89q+GNN/ dbY5JB9vAtQpTwXFeb6PaQLVEJk7cwaNhmau5OeNNI5ki/qVn7gGgyPamsks4NIA BeDAmALWyyo=M5UN -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce