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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.4675 kernel-rt security and bug fix update 21 September 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel-rt Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2022-34918 CVE-2022-2078 Original Bulletin: https://access.redhat.com/errata/RHSA-2022:6582 Comment: CVSS (Max): 7.8 CVE-2022-34918 (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-rt security and bug fix update Advisory ID: RHSA-2022:6582-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:6582 Issue date: 2022-09-20 CVE Names: CVE-2022-2078 CVE-2022-34918 ===================================================================== 1. Summary: An update for kernel-rt is now available for Red Hat Enterprise Linux 9. 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 Real Time (v. 9) - x86_64 Red Hat Enterprise Linux Real Time for NFV (v. 9) - x86_64 3. Description: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: heap overflow in nft_set_elem_init() (CVE-2022-34918) * kernel: vulnerability of buffer overflow in nft_set_desc_concat_parse() (CVE-2022-2078) 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): * kernel-rt: update RT source tree to the latest RHEL-9.0.z3 Batch (BZ#2119577) 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/): 2096178 - CVE-2022-2078 kernel: Vulnerability of buffer overflow in nft_set_desc_concat_parse() 2104423 - CVE-2022-34918 kernel: heap overflow in nft_set_elem_init() 6. Package List: Red Hat Enterprise Linux Real Time for NFV (v. 9): Source: kernel-rt-5.14.0-70.26.1.rt21.98.el9_0.src.rpm x86_64: kernel-rt-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-core-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-debug-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-debug-core-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-debug-debuginfo-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-debug-devel-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-debug-kvm-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-debug-modules-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-debug-modules-extra-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-debuginfo-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-debuginfo-common-x86_64-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-devel-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-kvm-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-modules-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-modules-extra-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm Red Hat Enterprise Linux Real Time (v. 9): Source: kernel-rt-5.14.0-70.26.1.rt21.98.el9_0.src.rpm x86_64: kernel-rt-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-core-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-debug-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-debug-core-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-debug-debuginfo-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-debug-devel-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-debug-modules-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-debug-modules-extra-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-debuginfo-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-debuginfo-common-x86_64-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-devel-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-modules-5.14.0-70.26.1.rt21.98.el9_0.x86_64.rpm kernel-rt-modules-extra-5.14.0-70.26.1.rt21.98.el9_0.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-2022-2078 https://access.redhat.com/security/cve/CVE-2022-34918 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 2022 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYypfyNzjgjWX9erEAQiaCQ/+LSCk2xopPqZvOEHYJI/HwMLQDUfTVExJ 65aJpi03W1V91Aw5KXKDOMkSnUOUf+lnf7+dhR1xT+pFPcc/i0jrMUO8EexTIlnL W4grQyJYcTJWd9fR7RpjzRBN9i5uFYYOPlwShkoMVYdTu4A5U5xGdq5idMdJ9738 WKAtcOkKW2AshVcC7HiDyG1UB8Mi8+RmO/vUbZyRifiXVyGAer5dr8jM5c7pJ4la vl+tv9JeqC0Sl47WjsBg4mSZEIFTVFzqDnWjg/TfrHxEQ2rdLfPU5C3EaWbaCTaC LidSXKu04a+y6lgh9FGgbdfZR7hSR086TIdwOx5EViTSvo7f0MtpajPZ89odijYt gOluS1yrdE8xsqUz7sFRtBL4+y/ymYlDueWNHBfnjUOaDM5MEh4fEut8ByZ4kW3P TNVtz1C/2baHMV0yhW53qW2Z5eQLCOb5Z9HmorIPxBTTmzpMjdo4IWqgijacg8QC 0gjHgIFtmqnHuTe25kHdHCacbcuVTQedVeIhJsXp42T5i0tfCzaDc/sKiAWEHYzQ M7OWft1ti4n6Tr8t7JHU2dAaBBBvCZTAI744H8T7I2x7lYOHtOvybZ9hMwvm4U+i bHerMnYkRZe9IGUHLBVbk+r9kSiX3XUlPNmJmuQDYajhXyKbOzSsNCF839eNSzas JO23i7scm2U= =KHwA - -----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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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBYyp/4skNZI30y1K9AQggzxAAuTCGNOAzPkPPno9ppsXb2RdBLXDnMun1 4AHMfU+3QC/Yy3P8wSNCFO/D9Hp+fTkv7H9Ctg0aIRmDlYaX1Wls6yQXL/o5FGNg EpVZ6ZQCSqqo6IQClpY257sWh0a724wMVYUszbWshsjI9A7PAYBA2CBz6ZQ7tL/U M6fV/CtpN7WwlI1ZAhF7RxQ3Kw9pGgA5Dx1qPOiq+H8xwvfismXRax6qfYlh/5DC h3DLyGNi37X7CLy4QizGZJed23xmzZuZHtivCWuDER9EchsOlzRRWAX7D6wmmMPK 9e/RKAzq9bMMp5Jmk9q2CoM6e+T4Rw1ZDsnhRxOaujDpKRUH8tXCX//QIFvZXhYq 3ANpbMGzBXytB6forQbcBLbSJSQXK2hcU4ygB6o87fupRJsknOxDdO6u1dxA7gWK rlKLNGmuzFRmZDGPX1F3u+EH7ZJR4YdcKqoMdV7GutqVMEqQrihOepQTFVktz0P9 /rmpK7Fp2tMAe4lmhBspVh7QibB/MJrjFWKcr4lS3FSVutqPVTFV6sLCgzcNCAe/ 8PZKcbQkdzOxhVY8D4/dxY8U6GRfaB4rTdI2nNSjUxWVUWAX8A0QegLPXUZY56TX rNEJ/LZHb1wwxWTpPQJWEJHrmV23UTlHhhXKtgjLOOrGi4zE/Aw7WQHi7tb6OdVB z4d7Z69Qv3A= =WVO0 -----END PGP SIGNATURE-----