-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2023:4145-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:4145 Issue date: 2023-07-18 CVE Names: CVE-2023-1281 CVE-2023-32233 ==================================================================== 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: 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 EUS (v.8.6): Source: kpatch-patch-4_18_0-372_40_1-1-7.el8_6.src.rpm kpatch-patch-4_18_0-372_41_1-1-6.el8_6.src.rpm kpatch-patch-4_18_0-372_46_1-1-4.el8_6.src.rpm kpatch-patch-4_18_0-372_51_1-1-3.el8_6.src.rpm kpatch-patch-4_18_0-372_52_1-1-2.el8_6.src.rpm kpatch-patch-4_18_0-372_57_1-1-1.el8_6.src.rpm ppc64le: kpatch-patch-4_18_0-372_40_1-1-7.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_40_1-debuginfo-1-7.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_40_1-debugsource-1-7.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_41_1-1-6.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_41_1-debuginfo-1-6.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_41_1-debugsource-1-6.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_46_1-1-4.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_46_1-debuginfo-1-4.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_46_1-debugsource-1-4.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_51_1-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_51_1-debuginfo-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_51_1-debugsource-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_52_1-1-2.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_52_1-debuginfo-1-2.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_52_1-debugsource-1-2.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_57_1-1-1.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_57_1-debuginfo-1-1.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_57_1-debugsource-1-1.el8_6.ppc64le.rpm x86_64: kpatch-patch-4_18_0-372_40_1-1-7.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_40_1-debuginfo-1-7.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_40_1-debugsource-1-7.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_41_1-1-6.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_41_1-debuginfo-1-6.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_41_1-debugsource-1-6.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_46_1-1-4.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_46_1-debuginfo-1-4.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_46_1-debugsource-1-4.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_51_1-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_51_1-debuginfo-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_51_1-debugsource-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_52_1-1-2.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_52_1-debuginfo-1-2.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_52_1-debugsource-1-2.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_57_1-1-1.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_57_1-debuginfo-1-1.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_57_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-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 . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2023 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBCAAGBQJktmxEAAoJENzjgjWX9erEjuQP/2Q/PR+ih+1EPagta7YD+DpW w34eWVxaSTkQYOmchnwx64kGVkNvE5AM0ffKwdHhhEnBZmlg4CcxHBJJWgeyS0Mc xVKHPo+FeoygvxXBQXAqOJcW1IHHSVNWrb9O+ZtT0KYMEqE72iO9WSlw8p+NGjn1 dUqlQBwhzioTNvZRbbfIZOEeCBkpgREQWJTvifFLDcoxa5xUXy/e/t0ba8tOzlBj /BbJVjO61PLMUeVC9MXTBHh2hC6dq9lDy8WysBT5aeGFG8i8yP5nLlVNNOLgmKHb u+lG06Fw5Nbl9zio/KBlqTaI4Qcaf++yK1FSPFp358llIBzHVEZNm1DTwsMCFlBU up0shVM6jk5H9u1ryMKV9MtZzR8+yZCM3NEARjGZ2w/PS8H1uUfKpKzfDF7LeLJH KozkmsFXEaJHnOwiH4Bg/I88KlUar/tMvLdRJ3pl+cgcfy/+QfkjDd48FsXcN+A3 KbBMcTOYuCDOkOb6GaRLpL78fqI7VfIFU3npD+OjuEclCm6e3VTzCgHOkiJxe3CD cdWg3xBSNKKNSyW0kxnvQkrLtZ7Yw+972opRJ3Je+tKFBe/y7ca0BReSY35kMOJ0 b80b3FFCYjW23YKWCyJxBnYJns297pwkKfUTTVsC6GVAhFylt29QzTElmEqOOQ2l aGGAYwD+ed3D2v2YQNiI =fwG1 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce