Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.1688 kpatch-patch security update 14 May 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kpatch-patch Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 8 Red Hat Enterprise Linux WS/Desktop 8 Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2020-10711 Reference: ESB-2020.1673 ESB-2020.1669 ESB-2020.1668 ESB-2020.1667 ESB-2020.1666 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:2125 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2020:2125-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2125 Issue date: 2020-05-13 CVE Names: CVE-2020-10711 ===================================================================== 1. Summary: An update for kpatch-patch 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) - ppc64le, x86_64 3. Description: This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Security Fix(es): * Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711) 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 5. Bugs fixed (https://bugzilla.redhat.com/): 1825116 - CVE-2020-10711 Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic 6. Package List: Red Hat Enterprise Linux BaseOS (v. 8): Source: kpatch-patch-4_18_0-193-1-2.el8.src.rpm ppc64le: kpatch-patch-4_18_0-193-1-2.el8.ppc64le.rpm kpatch-patch-4_18_0-193-debuginfo-1-2.el8.ppc64le.rpm kpatch-patch-4_18_0-193-debugsource-1-2.el8.ppc64le.rpm x86_64: kpatch-patch-4_18_0-193-1-2.el8.x86_64.rpm kpatch-patch-4_18_0-193-debuginfo-1-2.el8.x86_64.rpm kpatch-patch-4_18_0-193-debugsource-1-2.el8.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-2020-10711 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 2020 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXrulftzjgjWX9erEAQigSQ//Qv3yEwTeHIbapr2t/5rkB3WnDN8/AfUA i9iRIGOrGxIQLcK7DSy75jiPIAvltCv8GKYQGomn2ZZ0q9V+ZkKAfPtNHCwuQxgB 4F4F+8xrEkLlitsBM/ECdxoa3t+wKcoDPIXBch2ZPuyFgoNqltrwLDUaONFjub4Z Izcm9nzV18sgz4VE3FTT7iocFhB/4/N/fyOKLjFuOwUToyw8zbFx91wx3FcVFn7g BLQaLVLFarg/ht+nIn7LJtcyTxjXFpTxxIDek/WSlmgEkVinyvaC6DnwVobxQvN9 lu7LbdLMCiv0Y2u5rEHibgedehIGxumUCfBKqVQCi4AuJSWi+oF77zZjLXeOjVQe nleFxzO6l/h0zgqd3MWhEuwdecwpVR7+C5Gn7VEAXeRxd/jIW0CB/k6hEhe8y0so lJR+ax5xzAa+R3osKhr75UFH18r5U/J+f+horVl6DXZQxWboftnyeAICcSiJcjPy FGxBpz6BQ11MpWvLNfCWSCuGKEzOvZpOYapHCtT3CanXZBhbEaFkmETFLFY0wOja +guOs6sZIfBH67QeslqQKer5r+zlDgt1H/KEdnS2WhO7NhQ4neuETrqmXAQLS+kg 3qfskLHgW+wInPj5zZgUUEn7BonqfFuzdppNuIJITCvFZGYyxPZq1QNErmI6RYhr qrgNNoO4RRs= =EGln - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. 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: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXryW42aOgq3Tt24GAQjkARAAwFjJWeA2fiUI6I8PcFcCidB+CCjXTrox IXTKrUi1dLIhBSg841iDWqCxuZ5HeIAHNqLBDkN4wPHJ6ifTyUWBBjG6z43acGBT XZMePTeXmixRP+NW0m1tJyn9aRQiHDvBpAaBPLLpQlYNFbXA9aRsoR4Ftl7fNu2l ohj84SSKUoG0t2U/Lqzdvs0cZ0B/zHh4P2KO1KzqJDJyad5I+du2TtTvUNJOZLUs BaQrbRdOVrd7D8FTnR2x2dzsiodlBtO0ZPqirjui6HK2yJG+uuYpe0WyH82ockQt zm0Db6xP4YXf/cw/dSM8ZXsUzG+bkVF3PIJpkf1ZnjOnqDaNZXaRDKSPQdeqn1NG MXcB8lUeGpwjGudDZg5g1xX/bFGRkwCzRwlh+VDIflU5z6OuZBvwYFuPJqjBSzSo Hy6mUU2aGMf2hkqDR2G2+D1Zu7FBwLgd/BAULRcFeY5YlE6ITr5K9Lv5tB29aUVs N1GeD8kWd/Nfe9QwKdZPCYe7k9DVclvYcFaH8158oIjqMkGuPMyjTzU8dY3eiNbD AbrLyf64dwdhd8fsUsRpQak8/2BXxSQ02EIwTLpdY1n23EuAJn6PSIfZlkVQHkfk bL5+ArcrjDOXmhN7WlvErActd2Ei+O86KJH6cQb/iUrXsxR7ZEqNHt+x7/C6HAnb 7AatcrJiDFE= =IbGd -----END PGP SIGNATURE-----