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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.4406 kpatch-patch security update 21 November 2019 =========================================================================== 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: Access Privileged Data -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-11135 CVE-2018-12207 Reference: ASB-2019.0322 ESB-2019.4359 ESB-2019.4347 ESB-2019.4289 Original Bulletin: https://access.redhat.com/errata/RHSA-2019:3936 - --------------------------BEGIN INCLUDED TEXT-------------------- ====================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2019:3936-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:3936 Issue date: 2019-11-20 CVE Names: CVE-2018-12207 CVE-2019-11135 ====================================================================== 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) - 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): * hw: Machine Check Error on Page Size Change (IFU) (CVE-2018-12207) * hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135) 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. 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/): 1646768 - CVE-2018-12207 hw: Machine Check Error on Page Size Change (IFU) 1753062 - CVE-2019-11135 hw: TSX Transaction Asynchronous Abort (TAA) 6. Package List: Red Hat Enterprise Linux BaseOS (v. 8): Source: kpatch-patch-4_18_0-147-1-3.el8_1.src.rpm x86_64: kpatch-patch-4_18_0-147-1-3.el8_1.x86_64.rpm kpatch-patch-4_18_0-147-debuginfo-1-3.el8_1.x86_64.rpm kpatch-patch-4_18_0-147-debugsource-1-3.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-2018-12207 https://access.redhat.com/security/cve/CVE-2019-11135 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/ifu-page-mce https://access.redhat.com/solutions/tsx-asynchronousabort 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2019 Red Hat, Inc. - --------------------------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 iQIVAwUBXdYf7maOgq3Tt24GAQjlcw/+JKEobh9yqtPIM/EHSYx5C7St/1TbRjuu R0OK9GfBr/1kOXgAe3rvSOe2mpVjdyp1TtV6YYqDISZminS4JzeYKa1DqXBTErUn cHkEzVegzNDHK7D7ss1D8hS4V4D6zRQmJAuq+Hw8wlbolF90k/V2ACW/7YaQZvae jMqmPOjQep4elEtipC82wpMvEfJafz21qePx0wYJghXzZznDkT553xWidrKxF+X7 YDx8Ac6jxKX6m3u1JjksjyqGkbClx74q/EsxPbKVk2ii2XlwxYanwWhoEPlxIKks eA8sUXFsHaUxIiwR27pNu7hudiE6DeNNVbNWWKMsd5g/d8WdOaZfuGDtJP5rNYWC ixnI2fk3MoB6DjHgnTBnhoXWnD52hO/Kt0jzFW3WanSvuC9i9NoPut1R23CZjsir UdyUBOwfs56p3gdir5irlu3Bj0Yw84+KcSxj8mb7WEnOX3DJbBHZ3IVKFLARjZ8M VyUBkVjC5m/q7IoHeM7vfeEGOA/Insdp08TYOtnbNZPX1QRmx8qEdnbBRRaiZv5a MeC0PXObeD9QB6Q1GlLAixYYyN/QcDKqaEbRQH8uQ48J7hBuvFsPOAFtNw6UVKWV btkPXOcHR7KLcuExK1FQPWKL6CCoUA1Ab22tI3ikODQ8Li1469JA3X7qCIRPsCBC eXlO+1sZDhk= =oa1M -----END PGP SIGNATURE-----