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Red Hat: RHSA-2023-4146 Important: Kpatch-Patch DoS Security Flaw

An update for kpatch-patch-4_18_0-193_100_1, kpatch-patch-4_18_0-193_105_1, kpatch-patch-4_18_0-193_95_1, and kpatch-patch-4_18_0-193_98_1 is now available for Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions.. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2023:4146-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:4146 Issue date: 2023-07-18 CVE Names: CVE-2023-0461 CVE-2023-1281 CVE-2023-1390 CVE-2023-32233 ==================================================================== 1. Summary: An update for kpatch-patch-4_18_0-193_100_1, kpatch-patch-4_18_0-193_105_1, kpatch-patch-4_18_0-193_95_1, and kpatch-patch-4_18_0-193_98_1 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: 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: net/ulp: use-after-free in listening ULP sockets (CVE-2023-0461) * kernel: tcindex: use-after-free vulnerability in traffic control index filter allows privilege escalation (CVE-2023-1281) * kernel: remote DoS in TIPC kernel module (CVE-2023-1390) * 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, aCVSS 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/): 2176192 - CVE-2023-0461 kernel: net/ulp: use-after-free in listening ULP sockets 2178212 - CVE-2023-1390 kernel: remote DoS in TIPC kernel module 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.8.2): Source: kpatch-patch-4_18_0-193_100_1-1-2.el8_2.src.rpm kpatch-patch-4_18_0-193_105_1-1-1.el8_2.src.rpm kpatch-patch-4_18_0-193_95_1-1-4.el8_2.src.rpm kpatch-patch-4_18_0-193_98_1-1-3.el8_2.src.rpm ppc64le: kpatch-patch-4_18_0-193_100_1-1-2.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_100_1-debuginfo-1-2.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_100_1-debugsource-1-2.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_105_1-1-1.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_105_1-debuginfo-1-1.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_105_1-debugsource-1-1.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_95_1-1-4.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_95_1-debuginfo-1-4.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_95_1-debugsource-1-4.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_98_1-1-3.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_98_1-debuginfo-1-3.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_98_1-debugsource-1-3.el8_2.ppc64le.rpm x86_64: kpatch-patch-4_18_0-193_100_1-1-2.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_100_1-debuginfo-1-2.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_100_1-debugsource-1-2.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_105_1-1-1.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_105_1-debuginfo-1-1.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_105_1-debugsource-1-1.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_95_1-1-4.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_95_1-debuginfo-1-4.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_95_1-debugsource-1-4.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_98_1-1-3.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_98_1-debuginfo-1-3.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_98_1-debugsource-1-3.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-2023-0461 https://access.redhat.com/security/cve/CVE-2023-1281 https://access.redhat.com/security/cve/CVE-2023-1390 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 . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2023 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBCAAGBQJktmw3AAoJENzjgjWX9erEenIP/2lQSD0cKmj4gOK/tdKSR4bX KpZknc5ZKLlaxD1E9h6lo5E1Dr+Mv0KEbPrfHsng9dASVslsHx8jf2eLEej2/UqI cHV/YQ0m55DeMnF6yI/lvBP9OSrUKo1MGwMkKC4EU7sh5Z9w0nwKf3eH+Fln9xo1 dhHIAhO0Gje/5rYqSAN+89S0OapG11j/BWICq49eOZeCDEbQoJfvMpwzncUqAqAU NKsXg28FYn56fewMt0r2YE59WJgMpkhmPqXeF8QI591jKTD8cAaYvahUWoc0/Vm0 UFpd0sYYUhcE4WfdpRp53dXVQGzNo2pEvGfTSmVQliwyd0mQQG373UDkyK5Gp8RJ y8g6zEuDzwwckob4dsYiEI4o+R/Vrpd6wEkIN7mAYo4YOXzBn/QxFQQoGAwzLT5r ZMvOFRbmbUfay5amiSONO2pn1y0kLpjTZ0rHKsnWiP0vEoIT6fzfZq/7sJduMTiV dtnz5N7GCGMliHKDdBIGSxGF29KKuSKUaKaLBzuxOO5eFLR4AXy/yRDr5fk9cpi3 lEfSYgBntKcrh5Yk4jpSu33YDjDmFVO/myocm5eg+WGiZSZZT1idQ4DLwnVdm8z6 9ChZivhc4HNBED1XLpRuOUYTMQTx3mFBSaBJHhpXzPu7oyclhEfCKklTfS33t78x hminx9esi76o9Dgw6ryW =/UnU -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. . Learn about the important kpatch-patch update for Red Hat Enterprise Linux addressing critical security issues.. Kpatch-Patch Security Update, Red Hat Enterprise Linux, Kernel Fix, DoS Exploit. . Severity: Important. LinuxSecurity.com Team

Jul 18, 2023 •Important Red Hat