-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel security update Advisory ID: RHSA-2021:2722-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:2722 Issue date: 2021-07-20 CVE Names: CVE-2021-33909 ==================================================================== 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: size_t-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909) 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/): 1970273 - CVE-2021-33909 kernel: size_t-to-int conversion vulnerability in the filesystem layer 6. Package List: Red Hat Enterprise Linux BaseOS EUS (v. 8.1): Source: kernel-4.18.0-147.51.2.el8_1.src.rpm aarch64: bpftool-4.18.0-147.51.2.el8_1.aarch64.rpm bpftool-debuginfo-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-core-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-cross-headers-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-debug-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-debug-core-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-debug-debuginfo-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-debug-devel-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-debug-modules-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-debug-modules-extra-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-debuginfo-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-devel-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-headers-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-modules-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-modules-extra-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-tools-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-tools-debuginfo-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-tools-libs-4.18.0-147.51.2.el8_1.aarch64.rpm perf-4.18.0-147.51.2.el8_1.aarch64.rpm perf-debuginfo-4.18.0-147.51.2.el8_1.aarch64.rpm python3-perf-4.18.0-147.51.2.el8_1.aarch64.rpm python3-perf-debuginfo-4.18.0-147.51.2.el8_1.aarch64.rpm noarch: kernel-abi-whitelists-4.18.0-147.51.2.el8_1.noarch.rpm kernel-doc-4.18.0-147.51.2.el8_1.noarch.rpm ppc64le: bpftool-4.18.0-147.51.2.el8_1.ppc64le.rpm bpftool-debuginfo-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-core-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-cross-headers-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-debug-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-debug-core-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-debug-debuginfo-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-debug-devel-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-debug-modules-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-debug-modules-extra-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-debuginfo-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-devel-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-headers-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-modules-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-modules-extra-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-tools-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-tools-debuginfo-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-tools-libs-4.18.0-147.51.2.el8_1.ppc64le.rpm perf-4.18.0-147.51.2.el8_1.ppc64le.rpm perf-debuginfo-4.18.0-147.51.2.el8_1.ppc64le.rpm python3-perf-4.18.0-147.51.2.el8_1.ppc64le.rpm python3-perf-debuginfo-4.18.0-147.51.2.el8_1.ppc64le.rpm s390x: bpftool-4.18.0-147.51.2.el8_1.s390x.rpm bpftool-debuginfo-4.18.0-147.51.2.el8_1.s390x.rpm kernel-4.18.0-147.51.2.el8_1.s390x.rpm kernel-core-4.18.0-147.51.2.el8_1.s390x.rpm kernel-cross-headers-4.18.0-147.51.2.el8_1.s390x.rpm kernel-debug-4.18.0-147.51.2.el8_1.s390x.rpm kernel-debug-core-4.18.0-147.51.2.el8_1.s390x.rpm kernel-debug-debuginfo-4.18.0-147.51.2.el8_1.s390x.rpm kernel-debug-devel-4.18.0-147.51.2.el8_1.s390x.rpm kernel-debug-modules-4.18.0-147.51.2.el8_1.s390x.rpm kernel-debug-modules-extra-4.18.0-147.51.2.el8_1.s390x.rpm kernel-debuginfo-4.18.0-147.51.2.el8_1.s390x.rpm kernel-debuginfo-common-s390x-4.18.0-147.51.2.el8_1.s390x.rpm kernel-devel-4.18.0-147.51.2.el8_1.s390x.rpm kernel-headers-4.18.0-147.51.2.el8_1.s390x.rpm kernel-modules-4.18.0-147.51.2.el8_1.s390x.rpm kernel-modules-extra-4.18.0-147.51.2.el8_1.s390x.rpm kernel-tools-4.18.0-147.51.2.el8_1.s390x.rpm kernel-tools-debuginfo-4.18.0-147.51.2.el8_1.s390x.rpm kernel-zfcpdump-4.18.0-147.51.2.el8_1.s390x.rpm kernel-zfcpdump-core-4.18.0-147.51.2.el8_1.s390x.rpm kernel-zfcpdump-debuginfo-4.18.0-147.51.2.el8_1.s390x.rpm kernel-zfcpdump-devel-4.18.0-147.51.2.el8_1.s390x.rpm kernel-zfcpdump-modules-4.18.0-147.51.2.el8_1.s390x.rpm kernel-zfcpdump-modules-extra-4.18.0-147.51.2.el8_1.s390x.rpm perf-4.18.0-147.51.2.el8_1.s390x.rpm perf-debuginfo-4.18.0-147.51.2.el8_1.s390x.rpm python3-perf-4.18.0-147.51.2.el8_1.s390x.rpm python3-perf-debuginfo-4.18.0-147.51.2.el8_1.s390x.rpm x86_64: bpftool-4.18.0-147.51.2.el8_1.x86_64.rpm bpftool-debuginfo-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-core-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-cross-headers-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-debug-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-debug-core-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-debug-debuginfo-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-debug-devel-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-debug-modules-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-debug-modules-extra-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-debuginfo-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-devel-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-headers-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-modules-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-modules-extra-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-tools-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-tools-debuginfo-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-tools-libs-4.18.0-147.51.2.el8_1.x86_64.rpm perf-4.18.0-147.51.2.el8_1.x86_64.rpm perf-debuginfo-4.18.0-147.51.2.el8_1.x86_64.rpm python3-perf-4.18.0-147.51.2.el8_1.x86_64.rpm python3-perf-debuginfo-4.18.0-147.51.2.el8_1.x86_64.rpm Red Hat CodeReady Linux Builder EUS (v. 8.1): aarch64: bpftool-debuginfo-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-debug-debuginfo-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-debuginfo-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-tools-debuginfo-4.18.0-147.51.2.el8_1.aarch64.rpm kernel-tools-libs-devel-4.18.0-147.51.2.el8_1.aarch64.rpm perf-debuginfo-4.18.0-147.51.2.el8_1.aarch64.rpm python3-perf-debuginfo-4.18.0-147.51.2.el8_1.aarch64.rpm ppc64le: bpftool-debuginfo-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-debug-debuginfo-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-debuginfo-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-tools-debuginfo-4.18.0-147.51.2.el8_1.ppc64le.rpm kernel-tools-libs-devel-4.18.0-147.51.2.el8_1.ppc64le.rpm perf-debuginfo-4.18.0-147.51.2.el8_1.ppc64le.rpm python3-perf-debuginfo-4.18.0-147.51.2.el8_1.ppc64le.rpm x86_64: bpftool-debuginfo-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-debug-debuginfo-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-debuginfo-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-tools-debuginfo-4.18.0-147.51.2.el8_1.x86_64.rpm kernel-tools-libs-devel-4.18.0-147.51.2.el8_1.x86_64.rpm perf-debuginfo-4.18.0-147.51.2.el8_1.x86_64.rpm python3-perf-debuginfo-4.18.0-147.51.2.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-2021-33909 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/RHSB-2021-006 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 iQIVAwUBYPc+e9zjgjWX9erEAQicbw/9HNcm1GQvXQtvN22ZUZGZ1Dl/SB+L+gvL sAwOoHM3FgHbykPi726tBmHC3+Y9rdRHivMob1GuGVd6mVqGVB7B5wxpeMpj9CVH xHNYDtVSWQJsHFrE4ATvDlbQUoIhVGF65y9ZUgyt6ey+gZuqHBFh8IPe2aXq3IRm 81/h5/QMYvJ1+6Uqg6SIKZAWTrWpK2GjVr5TCq/gCH88z2dO5XEangBdHaqgts9O IH6ma8mOcqMtF8uTWkE3kSK28T47UWO+fW0YnV968a69bjq6ZmD2CFYxxxPCAnWF AjE+DELsrNmCXtICiqjx1nf9WNUyZf3Xk2ggnK/GbJ3LKauvgC/6gMRmZ9yHxTDI zYr+FSAitoKe3JI1Dbe1TfZIFifKUnLbHzNahKbhvjOvsmkJGaLElnURl5JxORwK uOVBi8rkI0h57Ra2ZA0H/NOtPa9jlkC6hiUHfr0Qu7AqPkqj6LrDUcVVKj69kmnh ynC75c6WAGWwAUBt+7UrPQoh41USxy92yq0J8eF5UPuU4mMrGXoq8NUB8A1gDfvD PMBFt9ppAd4CNwdl/CEK6V3lmL26R3obJgELpyEh656E6Cc62zPslVfwIFboIEla ZM+7aQDjnmtt1gOnww3HXBmQ5+EIMhsa7VSVbAPUTvFowi5n+fKHTO1bFqKX1SgS iOBYxGCLDak=GULM -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce