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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.5786 kpatch-patch security update 10 November 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kpatch-patch Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2022-2588 Original Bulletin: https://access.redhat.com/errata/RHSA-2022:7885 Comment: CVSS (Max): 7.8 CVE-2022-2588 (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-2022:7885-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:7885 Issue date: 2022-11-09 CVE Names: CVE-2022-2588 ===================================================================== 1. Summary: An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.2 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. 8.2) - ppc64le, x86_64 3. Description: The kpatch management tool provides a kernel patching infrastructure which allows you to patch a running kernel without rebooting or restarting any processes. Security Fix(es): * kernel: a use-after-free in cls_route filter implementation may lead to privilege escalation (CVE-2022-2588) 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/): 2114849 - CVE-2022-2588 kernel: a use-after-free in cls_route filter implementation may lead to privilege escalation 6. Package List: Red Hat Enterprise Linux BaseOS E4S (v. 8.2): Source: kpatch-patch-4_18_0-193_80_1-1-2.el8_2.src.rpm kpatch-patch-4_18_0-193_81_1-1-2.el8_2.src.rpm kpatch-patch-4_18_0-193_87_1-1-1.el8_2.src.rpm kpatch-patch-4_18_0-193_90_1-1-1.el8_2.src.rpm kpatch-patch-4_18_0-193_91_1-1-1.el8_2.src.rpm ppc64le: kpatch-patch-4_18_0-193_80_1-1-2.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_80_1-debuginfo-1-2.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_80_1-debugsource-1-2.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_81_1-1-2.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_81_1-debuginfo-1-2.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_81_1-debugsource-1-2.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_87_1-1-1.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_87_1-debuginfo-1-1.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_87_1-debugsource-1-1.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_90_1-1-1.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_90_1-debuginfo-1-1.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_90_1-debugsource-1-1.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_91_1-1-1.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_91_1-debuginfo-1-1.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_91_1-debugsource-1-1.el8_2.ppc64le.rpm x86_64: kpatch-patch-4_18_0-193_80_1-1-2.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_80_1-debuginfo-1-2.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_80_1-debugsource-1-2.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_81_1-1-2.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_81_1-debuginfo-1-2.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_81_1-debugsource-1-2.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_87_1-1-1.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_87_1-debuginfo-1-1.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_87_1-debugsource-1-1.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_90_1-1-1.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_90_1-debuginfo-1-1.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_90_1-debugsource-1-1.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_91_1-1-1.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_91_1-debuginfo-1-1.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_91_1-debugsource-1-1.el8_2.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-2022-2588 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 iQIVAwUBY2ujRtzjgjWX9erEAQgxZhAAj8EcB5GD5UdWVdH9s9UjFoyQdGq1apG4 Oc9Q3qq93YzUui9PdMeqsY9YIKDh/3N1f5QlLnHJKv2TBd+7IWowNGnxVfyL2Lht YuCYE7PoQ0IIJ9d/XfXq56Z42EJTUCOG0In+pM3KAIs+rPwaKR+u0jEbMISQabDj QAWuChE0qcsdz59+NYiDaDgYEQQQezj59pAuuuPC/W8PaGR93COJ611LWzmgDL+l 17lOs0FFvQe05SMNTSy6ofqfNAKbucQJC+80nmTnTlyMZ8unLa2WeZ1QtDLiDcML F9lijF4qbMcXWzKbZrd378qmw5rkIt9ygrXrCpsqOr7MhsClgxdwQAvOC06lHlqk XP7LWaasq7xqOFk5UihiVloCyxkURWL7uwaGfJzBvfPNnWyaRvVbTrYtimwKlAcc XPEQHscMBOOVEoOCRxGy2V+HPEaGfhShDe0czPAdqF3CnX/qS13VLnbatj/qgRgz eirLyBCij++lIvSwR17ngEov98kpu/OO+9bPl3pLMqQA6oAfjR1M17z5F/8Niv8k nOfpTYbwZv+WR8Y6BJZgw+o6uX1yqZtCTW7qobLmASJB3o8Wq5yL+lytNXYVpKOf cak4umPp3dtvNKpuQT9N3naMn3+DRrs9Lkd/RATTao5sGCO+nFpCsi2wm1vRvb+z AF5BT2DqJ+o= =1SyI - -----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/ iQIVAwUBY2yK/ckNZI30y1K9AQhhhA/9GNv/HvDGAFadpQHXJ/u5OOjuffx69xJq Vs3zskGacMvz9QGGnVgTZOV2s7YsWfSHq7mHKXGkUUJJjaSlgBiPIWxWvsBqgYCb GJn8JuyFURkHM07a36dhyAoROk+vMri4bRTOoOc7NBizxL0J6Yvn1dx6ysgJPb65 7KrNR7jxWNUfW+bCJOGgnSrKf/3rDtvnbLeLvE3KqahHEC2iIQQ7oNk7JjrxwmW/ zqDNuBc7HExT+6EY20LP1EJ5raWUv7omBT0PKJLRhnWJFZIYDG8f98zv1UO+1XC/ Uf0mHERbNx5Y2ywAb5w1lSMioL11H3jA2ieSl09/JqxUHWjyfM1KJesLcHENvKTl zGGMG8SbY3cFQJnEkZWWwoNZ/kzDPJpxR+DKhUYEBa7mPsYrt2njcy77+kLCRpvr /5mzR5a3urN4sHJXdvEQXYVNZXP8v8iu5DXxm8tpmKuhToGbrQtE7waV5PMVvqiG 54cUF5HXMUR/hnq3XqmtfcTuEY5I29tpdGpNS+lelTSJbRSTgaN+AWLOLa3oy2BG S+ATykPS6m/l5RJAzs/TN0JDUOYlHsFMdQtfD6Bj2qWPDl8+u41i0pgQviYICuX+ LRH5IXZnseAY+oGsjUnSo8lpOeqMoRuxooKE50pICj3FB1baOZZLAaUFurDjKalF 9AIaOk2Z/vE= =VFK6 -----END PGP SIGNATURE-----