-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory
Synopsis: Important: kernel security update Advisory ID: RHSA-2023:5419-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:5419 Issue date: 2023-10-03 CVE Names: CVE-2023-20593 CVE-2023-32233 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 7.7 Advanced 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 Enterprise Linux Server AUS (v. 7.7) - noarch, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 7.7) - 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) * hw: amd: Cross-Process Information Leak (CVE-2023-20593) 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/): 2196105 - CVE-2023-32233 kernel: netfilter: use-after-free in nf_tables when processing batch requests can lead to privilege escalation 2217845 - CVE-2023-20593 hw: amd: Cross-Process Information Leak 6. Package List: Red Hat Enterprise Linux Server AUS (v. 7.7): Source: kernel-3.10.0-1062.79.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1062.79.1.el7.noarch.rpm kernel-doc-3.10.0-1062.79.1.el7.noarch.rpm x86_64: bpftool-3.10.0-1062.79.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1062.79.1.el7.x86_64.rpm kernel-3.10.0-1062.79.1.el7.x86_64.rpm kernel-debug-3.10.0-1062.79.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.79.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1062.79.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.79.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.79.1.el7.x86_64.rpm kernel-devel-3.10.0-1062.79.1.el7.x86_64.rpm kernel-headers-3.10.0-1062.79.1.el7.x86_64.rpm kernel-tools-3.10.0-1062.79.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.79.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1062.79.1.el7.x86_64.rpm perf-3.10.0-1062.79.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.79.1.el7.x86_64.rpm python-perf-3.10.0-1062.79.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.79.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional AUS (v. 7.7): x86_64: bpftool-debuginfo-3.10.0-1062.79.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.79.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.79.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.79.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.79.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1062.79.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.79.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.79.1.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-2023-20593 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 <secal...@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2023 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBCAAGBQJlHDLEAAoJENzjgjWX9erEOYwP/ie6T8YlPUef/r3HqS/sAniT JlWyj2CqIC0I2HizjkcrpQWqICM/oEIHQe7imFkZcJ/1eec+rDDiI4Kvy9gFa2aW /IrfLyhVpT3kwjEPuMmT4RyVRoZ3moPbrEobzBlQ0+2AI1bVAjOMFJ1RedRWgtlL fsAGdjbHRoUWWHAFhxpuxD9eZNmwcwuCFy6bsozm/RjI9TajME4pLIBx4Oos8u3T Ut/Fy9cvHDZFq33iJi7nZFe+pmsGkUlsBQqCbLfaeisUAGQC91zuixQlg4NOJbv0 LIQbW4ey7m95KBUu8gkPp8H167+PT5iEugUr9lw/wL62RuEEX/3JZthbuqj2PJr5 RDqFYh3oP3/p5zjQNTnycNA+5wN3dLaHXbRINirer6y5OlnUQCy2yNXvc1v8AlOR EzYXuon17wHR9Ru3lViQPQcqHBOlw2D+Dm1mVQ6oniXRMJsrK57uIO88shGB0FAB 3Nklht4aeVAbD9g/LkiT02gldF+FK1E0b/c4571TBDhrmjObXooKnZD2FO0oghm+ jOTxcBDklhxOWgdlK1sLRF4USIDF3jiyjr9fNqReIc9Ypzz77iw/XcUe4mjt6o9u eOHaRLPPnlzMFtcdA7BC51SJHJKYCtzieILMePtExVR7GgUF2p39WAOuzc6KeTrF mL7U3YWie1w4Evhr9xHG =uZSE -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce