24 May 2023
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.2991 kpatch-patch security update 24 May 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kpatch-patch Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2022-3564 Original Bulletin: https://access.redhat.com/errata/RHSA-2023:3278 Comment: CVSS (Max): 7.1 CVE-2022-3564 (CVSS:3.1/AV:A/AC:H/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:A/AC:H/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: kpatch-patch security update Advisory ID: RHSA-2023:3278-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:3278 Issue date: 2023-05-23 CVE Names: CVE-2022-3564 ===================================================================== 1. Summary: An update for kpatch-patch is now available for Red Hat Enterprise Linux 7.7 Update Services for SAP Solutions. 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 E4S (v. 7.7) - 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: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564) 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/): 2150999 - CVE-2022-3564 kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c 6. Package List: Red Hat Enterprise Linux Server E4S (v. 7.7): Source: kpatch-patch-3_10_0-1062_71_1-1-1.el7.src.rpm ppc64le: kpatch-patch-3_10_0-1062_71_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_71_1-debuginfo-1-1.el7.ppc64le.rpm x86_64: kpatch-patch-3_10_0-1062_71_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_71_1-debuginfo-1-1.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-2022-3564 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is <firstname.lastname@example.org>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2023 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBZGzKd9zjgjWX9erEAQgowg/+IlU03xNOrC/CLhKEkM/lNC+GazAfSTgG MdHwg4kls+EK3Wnrnauun+GLIu7IQD4P7B81awcG7DP/D0Fj7tbZbSzcU5DVsV/K CLjBJQzy6SuE/GHhJKPGXP6h7bt04mtQZjoSZJwiNqZ+twWszFUZ9TaCVf0rx8dc ZK6rPg9LKvmiYaQ+dWn0JFd0kQUzT/SzwJ0r3W/opZJTJwqGfcsV1vJyS5KIbs3o U33/SX4zVq0/l9IXPxb78MjduDXe4HW3ulALjnpMqg8Jn7yYaZS5zvGcfxnyVFfb 6ba6CcBHusC1AsSqq1380rkZrNx0P0U/IylmwmBmujjZaYCHrso4n4ojPQiVYh5K UvN0e+wOMaWu4Ehcy0v2m58+nUCMf9VaxrJndQaxQPzU2amXy53fiqEXl7BsMrre xnElBSdZvzVsDshu0GjOvQsldMtUuPuGocYi+N53+j1jNnax4+WcWHeQouNRlMsD tyn1M78HYd4eUF/maCDoBWBa7Ycx4IJPSQQOpltEklA/j+Mf1/LDU/KYgSRZGt/5 Qz9fhZLjCQg6SPVQ/FvxyX1oHleBgcO9/7jeH+tcmtXFZLYm138krXj+tgE4VP20 GPxAs+J3hLV6CaBFmeRwP/SBQrzl+ABTSc15jvn0DAyaDHRA/HO9IiImOy55J1US uPe7MAtRfOE= =QQwM - -----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: firstname.lastname@example.org 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/ iQIVAwUBZG1PIskNZI30y1K9AQgiEBAAuhF2SnB9C1ZH4rK4rfC7NNlviaJDXzJD f2Qh9EkL6WVM6n6zMPb9yLysjtHeErKEJbZmWbfiEav2JWvzKTq1tVU3uC02E87h 5Kxgr4tL4wS2MZPZE4tThhxhd5HQBsUNqSmocIDUab3OBNu/xvh0nA2UZ97+sN2k jHSTCLE4YmDiyF1ObI8Z162wa46B0X3WXbeqx1iP1xxP9WhClretkyJo20py8he+ vL5DvapYg4PQJbuiAFAel8c2XCIc40lL1g2u7YklEu06vohdFK7ePWS7iu4zxmzd ANeqlI9VezhyBSuP7d2cs/7eWEN/9Bv9PD1l9V+a1lNYlcWWsnUU4qhDE9hjKkRb TG0sP5UD9yv9byWZ3piyB/AZ3Mjd0z7uSC3rI4c7wh6gXzifjYlnYgl+qK6Zo/Rg RQsQR+XlKAeBsN4Pw2KaP+B/wzO3/psGgyHv41o/g6V89DxrNs6cn9m/QOFBaRJv mmR1RTa6a+sjbBwqCtso+BGSXzml4vVn25oK8HYj74/Jd7d/R81AjI3dAAoTRI8K LG/s9EeIFRjLbHIWQoxxjWWHtZ+2H8wrCVa/euUIOD67c/hdaPJxYSFiPtjyHkKa aZZO6LIwX7vFd5NbHy45YH7IgbNKt493eqfK2vU0fBVioJI2X+It3dziHvd/S0wQ QB3Vlqebq7A= =vG3C -----END PGP SIGNATURE-----