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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.3653 kpatch-patch security update 28 June 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kpatch-patch Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2023-32233 CVE-2023-1281 Original Bulletin: https://access.redhat.com/errata/RHSA-2023:3853 Comment: CVSS (Max): 7.8 CVE-2023-32233 (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: kpatch-patch security update Advisory ID: RHSA-2023:3853-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:3853 Issue date: 2023-06-27 CVE Names: CVE-2023-1281 CVE-2023-32233 ===================================================================== 1. Summary: An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.1 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 BaseOS E4S (v. 8.1) - 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: tcindex: use-after-free vulnerability in traffic control index filter allows privilege escalation (CVE-2023-1281) * kernel: netfilter: use-after-free in nf_tables when processing batch requests can lead to privilege escalation (CVE-2023-32233) 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/): 2181847 - CVE-2023-1281 kernel: tcindex: use-after-free vulnerability in traffic control index filter allows privilege escalation 2196105 - CVE-2023-32233 kernel: netfilter: use-after-free in nf_tables when processing batch requests can lead to privilege escalation 6. Package List: Red Hat Enterprise Linux BaseOS E4S (v. 8.1): Source: kpatch-patch-4_18_0-147_77_1-1-6.el8_1.src.rpm kpatch-patch-4_18_0-147_78_1-1-5.el8_1.src.rpm kpatch-patch-4_18_0-147_80_1-1-4.el8_1.src.rpm kpatch-patch-4_18_0-147_81_1-1-3.el8_1.src.rpm kpatch-patch-4_18_0-147_83_1-1-2.el8_1.src.rpm ppc64le: kpatch-patch-4_18_0-147_77_1-1-6.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_77_1-debuginfo-1-6.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_77_1-debugsource-1-6.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_78_1-1-5.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_78_1-debuginfo-1-5.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_78_1-debugsource-1-5.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_80_1-1-4.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_80_1-debuginfo-1-4.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_80_1-debugsource-1-4.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_81_1-1-3.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_81_1-debuginfo-1-3.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_81_1-debugsource-1-3.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_83_1-1-2.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_83_1-debuginfo-1-2.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_83_1-debugsource-1-2.el8_1.ppc64le.rpm x86_64: kpatch-patch-4_18_0-147_77_1-1-6.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_77_1-debuginfo-1-6.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_77_1-debugsource-1-6.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_78_1-1-5.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_78_1-debuginfo-1-5.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_78_1-debugsource-1-5.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_80_1-1-4.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_80_1-debuginfo-1-4.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_80_1-debugsource-1-4.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_81_1-1-3.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_81_1-debuginfo-1-3.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_81_1-debugsource-1-3.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_83_1-1-2.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_83_1-debuginfo-1-2.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_83_1-debugsource-1-2.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-2023-1281 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 <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2023 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBZJsFr9zjgjWX9erEAQg99w//SduD1U2YjvMY6nEYxosceYfaesKOn9DQ lx42HQW/yxYRIRQBlF/reuVXQJw3I0lbxA+EdM3LgTwBeJgjrfj3+xVbiIQy9Ohl h95/Gw16ytnV0c61swTR0Ay7/hdD71WVuy8eRAyOb4spXmuDKzOo5TN4HjODhUec I9W/AcGunbUFb2wjt6PeVjz6RGXggs/rAepfl6IP5bXlHOfiKGT8dV7cUQsOEw9w vkKTpbUd8qX9LOs5B/t8Odr+ZOQ4jpStB9J1A5hz5jOC1/95k/x8zSqnYHBTi8y9 CriK9ILofAc52l5TPlEqV2ApK+hGd3LcFU/BwhJQgl3BKtErN9ZjYAHk3omwArLT ajOdaLnPwqHITXJ0VPWQN25s949M8TjkChnB4QSBY8swGQx8O0JRYM/2EzERnxYi 1t6VB2pWIMKq4Wcc2T26BhsAZFCILCGWJ2v3l2rayKileKLyTxEZ+xaDCax5ED4K SoftSK0HWpc1STMcoGCZNsxF3/XXpoZ6oX/pg7FZ2j8PywznUBYoCIAHg05WSJXl nhMk8F1W/vbLLPDslG5nVbLnnsyMEN5SQBZ8Tl3etpYBqr8i6o9enAscu9QR6I2s UvDVff+xPk0c9XRYh2FpV/HU15/rrmKS1vLyZ7MrXGPczM8vyZCXONHkJea4jo8/ ADqeWSpsSZg= =92WA - -----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: https://auscert.org.au/gpg-key/ iQIVAwUBZJuCXckNZI30y1K9AQiffRAAi87u7/z4VtiIUQBhwObo4FO0Nx60/hFO 9ci8ULRGgAobqoEKNSlOVMCzBYM3aqGYD29usL+rrx84YssqAcj0Oi0OBtZZP5jL xDe4Y1Atd74GO0NjqPoBqXS134X/9moJDikE9FnWUVfVKkVO/1RU7nFEKNziqyUF gE9CPXYi7mGecOFpey8r75J/qw0VQ7z+M7so5PEQZ2wmkVcM5HqpkZ4D4wPGtoT4 bQdqLz7+l7POZyEKhMQXFNQT4NGMU/+xpWRNDBMp0NCzLDBgpgexI+a2iqdw9vs2 Q73ZDxY8tOOrP3BTe5CS+aFa+Ch/nrXkqmGfB3hy1b5recgq+lXGlyTSiJVSCp/t IVvMxnQjV9YYNt4jf669phSWQG1/rkLAanvkOyTyvfwizV9ZtDSbFWrsSeOOWtm3 cPI7EdgFbnOoSLSbTGPjo76HZaZUe9nKiOWd8AKLn8JhrShQXGaYN0qz0xYKvTxd A/9jIuBx96m4BH0Vn1tf26DkkJBh1+RDFGmfcrhG7AqI3k1tXeUuhLNpNCNSw73/ IKOWIkDWagF6oAL7ZysYbDni+iiG8wF+cGGtuAVRbgxcTjzra4BkRlNTC/Xkyys/ p7OMj8YT/wljN8TAK2ZL5/dy/Wxm0falCc+ZnqNjl4WLUdjNj+/Y6xYJfMbrMndD H9N+70qkEpI= =N/7m -----END PGP SIGNATURE-----