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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.3167 kernel security and bug fix update 5 June 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2023-32233 Original Bulletin: https://access.redhat.com/errata/RHSA-2023:3349 Comment: CVSS (Max): 7.8 CVE-2023-32233 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) CVSS Source: Red Hat Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2023:3349-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:3349 Issue date: 2023-05-30 CVE Names: CVE-2023-32233 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 8. 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 BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64 Red Hat Enterprise Linux CRB (v. 8) - aarch64, ppc64le, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: netfilter: use-after-free in nf_tables when processing batch requests can lead to privilege escalation (CVE-2023-32233) 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): * The qede driver changes rx-usecs: to 256 causing performance impact (BZ#2176104) * Intel QAT Update - (kernel changes) (BZ#2176850) * In FIPS mode, kernel does not transition into error state when RCT or APT health tests fail (BZ#2181730) * "smpboot: Scheduler frequency invariance went wobbly, disabling!" on nohz_full CPUs after long run (BZ#2188067) 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/): 2196105 - CVE-2023-32233 kernel: netfilter: use-after-free in nf_tables when processing batch requests can lead to privilege escalation 6. Package List: Red Hat Enterprise Linux BaseOS (v. 8): Source: kernel-4.18.0-477.13.1.el8_8.src.rpm aarch64: bpftool-4.18.0-477.13.1.el8_8.aarch64.rpm bpftool-debuginfo-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-core-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-cross-headers-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-debug-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-debug-core-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-debug-debuginfo-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-debug-devel-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-debug-modules-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-debug-modules-extra-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-debuginfo-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-devel-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-headers-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-modules-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-modules-extra-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-tools-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-tools-debuginfo-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-tools-libs-4.18.0-477.13.1.el8_8.aarch64.rpm perf-4.18.0-477.13.1.el8_8.aarch64.rpm perf-debuginfo-4.18.0-477.13.1.el8_8.aarch64.rpm python3-perf-4.18.0-477.13.1.el8_8.aarch64.rpm python3-perf-debuginfo-4.18.0-477.13.1.el8_8.aarch64.rpm noarch: kernel-abi-stablelists-4.18.0-477.13.1.el8_8.noarch.rpm kernel-doc-4.18.0-477.13.1.el8_8.noarch.rpm ppc64le: bpftool-4.18.0-477.13.1.el8_8.ppc64le.rpm bpftool-debuginfo-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-core-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-cross-headers-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-debug-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-debug-core-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-debug-debuginfo-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-debug-devel-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-debug-modules-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-debug-modules-extra-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-debuginfo-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-devel-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-headers-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-modules-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-modules-extra-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-tools-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-tools-debuginfo-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-tools-libs-4.18.0-477.13.1.el8_8.ppc64le.rpm perf-4.18.0-477.13.1.el8_8.ppc64le.rpm perf-debuginfo-4.18.0-477.13.1.el8_8.ppc64le.rpm python3-perf-4.18.0-477.13.1.el8_8.ppc64le.rpm python3-perf-debuginfo-4.18.0-477.13.1.el8_8.ppc64le.rpm s390x: bpftool-4.18.0-477.13.1.el8_8.s390x.rpm bpftool-debuginfo-4.18.0-477.13.1.el8_8.s390x.rpm kernel-4.18.0-477.13.1.el8_8.s390x.rpm kernel-core-4.18.0-477.13.1.el8_8.s390x.rpm kernel-cross-headers-4.18.0-477.13.1.el8_8.s390x.rpm kernel-debug-4.18.0-477.13.1.el8_8.s390x.rpm kernel-debug-core-4.18.0-477.13.1.el8_8.s390x.rpm kernel-debug-debuginfo-4.18.0-477.13.1.el8_8.s390x.rpm kernel-debug-devel-4.18.0-477.13.1.el8_8.s390x.rpm kernel-debug-modules-4.18.0-477.13.1.el8_8.s390x.rpm kernel-debug-modules-extra-4.18.0-477.13.1.el8_8.s390x.rpm kernel-debuginfo-4.18.0-477.13.1.el8_8.s390x.rpm kernel-debuginfo-common-s390x-4.18.0-477.13.1.el8_8.s390x.rpm kernel-devel-4.18.0-477.13.1.el8_8.s390x.rpm kernel-headers-4.18.0-477.13.1.el8_8.s390x.rpm kernel-modules-4.18.0-477.13.1.el8_8.s390x.rpm kernel-modules-extra-4.18.0-477.13.1.el8_8.s390x.rpm kernel-tools-4.18.0-477.13.1.el8_8.s390x.rpm kernel-tools-debuginfo-4.18.0-477.13.1.el8_8.s390x.rpm kernel-zfcpdump-4.18.0-477.13.1.el8_8.s390x.rpm kernel-zfcpdump-core-4.18.0-477.13.1.el8_8.s390x.rpm kernel-zfcpdump-debuginfo-4.18.0-477.13.1.el8_8.s390x.rpm kernel-zfcpdump-devel-4.18.0-477.13.1.el8_8.s390x.rpm kernel-zfcpdump-modules-4.18.0-477.13.1.el8_8.s390x.rpm kernel-zfcpdump-modules-extra-4.18.0-477.13.1.el8_8.s390x.rpm perf-4.18.0-477.13.1.el8_8.s390x.rpm perf-debuginfo-4.18.0-477.13.1.el8_8.s390x.rpm python3-perf-4.18.0-477.13.1.el8_8.s390x.rpm python3-perf-debuginfo-4.18.0-477.13.1.el8_8.s390x.rpm x86_64: bpftool-4.18.0-477.13.1.el8_8.x86_64.rpm bpftool-debuginfo-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-core-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-cross-headers-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-debug-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-debug-core-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-debug-debuginfo-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-debug-devel-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-debug-modules-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-debug-modules-extra-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-debuginfo-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-devel-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-headers-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-modules-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-modules-extra-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-tools-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-tools-debuginfo-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-tools-libs-4.18.0-477.13.1.el8_8.x86_64.rpm perf-4.18.0-477.13.1.el8_8.x86_64.rpm perf-debuginfo-4.18.0-477.13.1.el8_8.x86_64.rpm python3-perf-4.18.0-477.13.1.el8_8.x86_64.rpm python3-perf-debuginfo-4.18.0-477.13.1.el8_8.x86_64.rpm Red Hat Enterprise Linux CRB (v. 8): aarch64: bpftool-debuginfo-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-debug-debuginfo-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-debuginfo-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-tools-debuginfo-4.18.0-477.13.1.el8_8.aarch64.rpm kernel-tools-libs-devel-4.18.0-477.13.1.el8_8.aarch64.rpm perf-debuginfo-4.18.0-477.13.1.el8_8.aarch64.rpm python3-perf-debuginfo-4.18.0-477.13.1.el8_8.aarch64.rpm ppc64le: bpftool-debuginfo-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-debug-debuginfo-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-debuginfo-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-tools-debuginfo-4.18.0-477.13.1.el8_8.ppc64le.rpm kernel-tools-libs-devel-4.18.0-477.13.1.el8_8.ppc64le.rpm perf-debuginfo-4.18.0-477.13.1.el8_8.ppc64le.rpm python3-perf-debuginfo-4.18.0-477.13.1.el8_8.ppc64le.rpm x86_64: bpftool-debuginfo-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-debug-debuginfo-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-debuginfo-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-tools-debuginfo-4.18.0-477.13.1.el8_8.x86_64.rpm kernel-tools-libs-devel-4.18.0-477.13.1.el8_8.x86_64.rpm perf-debuginfo-4.18.0-477.13.1.el8_8.x86_64.rpm python3-perf-debuginfo-4.18.0-477.13.1.el8_8.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-2023-32233 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2023 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBZHsDYtzjgjWX9erEAQhP/Q//Wp1Dlnoej5nn+A3NcfJm7Mccpbl+0Ioj ynx6WhJID1lPAwwVJ5b3pRG4J+P7CJnzBm5BoMskkX+zDGrGOUduZM6Ls0/Kc47L MfWWZK7CtYgOnJ7MbKIAWittpCwvYGRb1R21tQD6Q7ygsfEphxfKkoFt+Vl0Bb4I bPCrYFZxBvXV5U0GYe46WI7b+L8ZW39JVsKHd3q9n/dO7mlByVzhLNf+FUFv8DI4 +8+gU5K0egJlj2aMRY/D3H2Alnrb8StuYkhPmtdZGFoncELHtR3B1iDXbzijotOk oE/zaVKMPOI23Z8JywTFTTkENYzTcrW4PjCGnRYU9ctPcXqSuuiWVUbTnch0El5g 7o/2BOx+RRhsJx9hzROI+dGBj4EkD2lS+OKzKtuZtW0wjUSfNS5IzDX+bfbrecPj HBJo7F11Zr7B1GPwI3zPITJKBYht+uW8bUHtk4gofvyZssRiu+75s2v2y8/OQZU3 dboDexak5k33cmBXDvVzEKcBXwFqAG9/ySMgO4Mlo4VDgitbE6YwRzeos87RDNBV 3iRMv7ELr5OgRrVIykN0jVs3J6rQwieJDqk0OqDl8lSDOdrUy/CcuSI8jRYmiUQF czA/FhT+icp6hj4blruU768FiMoPlj12oUa0b2zJhDPw0lP8T6Qbtqj2625EeInm SC8SJ3kdb64= =3eCl - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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