-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2023:3431-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:3431 Issue date: 2023-06-05 CVE Names: CVE-2022-3564 CVE-2022-4378 ===================================================================== 1. Summary: An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. 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 EUS (v.8.6) - 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) * kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378) 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 2152548 - CVE-2022-4378 kernel: stack overflow in do_proc_dointvec and proc_skip_spaces 6. Package List: Red Hat Enterprise Linux BaseOS EUS (v.8.6): Source: kpatch-patch-4_18_0-372_36_1-1-6.el8_6.src.rpm kpatch-patch-4_18_0-372_40_1-1-6.el8_6.src.rpm kpatch-patch-4_18_0-372_41_1-1-5.el8_6.src.rpm kpatch-patch-4_18_0-372_46_1-1-3.el8_6.src.rpm kpatch-patch-4_18_0-372_51_1-1-2.el8_6.src.rpm kpatch-patch-4_18_0-372_52_1-1-1.el8_6.src.rpm ppc64le: kpatch-patch-4_18_0-372_36_1-1-6.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_36_1-debuginfo-1-6.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_36_1-debugsource-1-6.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_40_1-1-6.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_40_1-debuginfo-1-6.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_40_1-debugsource-1-6.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_41_1-1-5.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_41_1-debuginfo-1-5.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_41_1-debugsource-1-5.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_46_1-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_46_1-debuginfo-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_46_1-debugsource-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_51_1-1-2.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_51_1-debuginfo-1-2.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_51_1-debugsource-1-2.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_52_1-1-1.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_52_1-debuginfo-1-1.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_52_1-debugsource-1-1.el8_6.ppc64le.rpm x86_64: kpatch-patch-4_18_0-372_36_1-1-6.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_36_1-debuginfo-1-6.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_36_1-debugsource-1-6.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_40_1-1-6.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_40_1-debuginfo-1-6.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_40_1-debugsource-1-6.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_41_1-1-5.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_41_1-debuginfo-1-5.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_41_1-debugsource-1-5.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_46_1-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_46_1-debuginfo-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_46_1-debugsource-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_51_1-1-2.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_51_1-debuginfo-1-2.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_51_1-debugsource-1-2.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_52_1-1-1.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_52_1-debuginfo-1-1.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_52_1-debugsource-1-1.el8_6.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/cve/CVE-2022-4378 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 iQIVAwUBZH53ltzjgjWX9erEAQjL1A//SXtOUNzylRkLiafG9pFKnIdAzNlLG/Fy 9sieWb7ffaXBYe3uty4JztqZE5a8kXylXVxvGexKq8PwrNhA9WIGo1GqbrZ0T+CF 4ycGhbr+DXyHaNvXFIdnj1e1v6jrGlNdFbofmEQ2lQ/FpbaCLvmV1E2Z95dIIa75 Usvf8mt6kDPP4NtOlGucrUSqBId6SleAnNjI4i3Itt/K35ErcAjsx1dLmjcpy7wX VdSj75kFiJv2iknwy0IfWyEnXmbFpH9rw9QCoy4804m6Q8ldqgj/C5+HKF2wkkjx k7UvAbQtQhpUiGKDmGEU1iXTrW7gJXPwpj6r+HpXgcnzxl0pn6pdA1l2oVZaExQY Ak3dwPeR+XHmRdnt7XE3osxvv5xNBFitdfVdq0Stk578PvUT0/IzKoKydaAzgFJb 6hR7g+ab7yHSbUCaZoRgMfVPopPkYE6qLxfH4pEOjc/Xf9EGyJgTVIObZgigcKqI 3OSkwJ4Db+h7VZlIZqpxp/e72DXT3CaihXLxgPLhGBxhz1xlOZrxZLjWyVR7iQw9 wb9U2zBVxOYHryw+hoBMDgqVZcriwXWjV0dW5ExpJEU6EwXiw2+Ge5Gc/iy10zZP JM1f1H0xIKoA9Xufvl6MtmHzHpif2hSb1PJ+wV/M+MPo39FBMbujo0fx+111LHdK vWX7iHWwHCw= =yZd1 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce