-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2023:4888-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:4888 Issue date: 2023-08-30 CVE Names: CVE-2022-42896 CVE-2023-1829 CVE-2023-3390 CVE-2023-35788 ===================================================================== 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 in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c (CVE-2022-42896) * kernel: Use-after-free vulnerability in the Linux Kernel traffic control index filter (CVE-2023-1829) * kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests (CVE-2023-3390) * kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() (CVE-2023-35788) 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/): 2147364 - CVE-2022-42896 kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c 2188470 - CVE-2023-1829 kernel: Use-after-free vulnerability in the Linux Kernel traffic control index filter 2213260 - CVE-2023-3390 kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests 2215768 - CVE-2023-35788 kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() 6. Package List: Red Hat Enterprise Linux BaseOS EUS (v.8.6): Source: kpatch-patch-4_18_0-372_41_1-1-7.el8_6.src.rpm kpatch-patch-4_18_0-372_46_1-1-5.el8_6.src.rpm kpatch-patch-4_18_0-372_51_1-1-4.el8_6.src.rpm kpatch-patch-4_18_0-372_52_1-1-3.el8_6.src.rpm kpatch-patch-4_18_0-372_57_1-1-2.el8_6.src.rpm kpatch-patch-4_18_0-372_64_1-1-1.el8_6.src.rpm ppc64le: kpatch-patch-4_18_0-372_41_1-1-7.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_41_1-debuginfo-1-7.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_41_1-debugsource-1-7.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_46_1-1-5.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_46_1-debuginfo-1-5.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_46_1-debugsource-1-5.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_51_1-1-4.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_51_1-debuginfo-1-4.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_51_1-debugsource-1-4.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_52_1-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_52_1-debuginfo-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_52_1-debugsource-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_57_1-1-2.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_57_1-debuginfo-1-2.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_57_1-debugsource-1-2.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_64_1-1-1.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_64_1-debuginfo-1-1.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_64_1-debugsource-1-1.el8_6.ppc64le.rpm x86_64: kpatch-patch-4_18_0-372_41_1-1-7.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_41_1-debuginfo-1-7.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_41_1-debugsource-1-7.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_46_1-1-5.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_46_1-debuginfo-1-5.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_46_1-debugsource-1-5.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_51_1-1-4.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_51_1-debuginfo-1-4.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_51_1-debugsource-1-4.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_52_1-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_52_1-debuginfo-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_52_1-debugsource-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_57_1-1-2.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_57_1-debuginfo-1-2.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_57_1-debugsource-1-2.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_64_1-1-1.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_64_1-debuginfo-1-1.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_64_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-2022-42896 https://access.redhat.com/security/cve/CVE-2023-1829 https://access.redhat.com/security/cve/CVE-2023-3390 https://access.redhat.com/security/cve/CVE-2023-35788 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 iQIcBAEBCAAGBQJk7+K8AAoJENzjgjWX9erEJvYP/iLAmG8SlAVzb2RCSQ+IV/ZY iN/IjtZk2w6jAyYqfDDcjVhH3pFSg7EZtXm1+eZf/V0Tghh89zDerhybWFHczipm 83FwEbtNqCzF2ywVAR2qQiU6ZdlIvySiIv8trPzkzmIyfQiB1R7agYWfuxOCysI8 BxJd01PlI5/3vvj7EMyL0Q7XxS/CifMj/r+/aNmdxqM44ALvYMafN+rcB/J/xfAf sL/m1VQJEHFEEHEXmMWyS6dnK4uiAJ+6oHIg2z4vMFUFDYwBFuK+IH2+4vYBr+6l wqsWGlE8EyxfUCQqO/8XgeUrcbWkcz8IGLK2moiLNgMTp22YApet/BQub8smdrFU +KwHiCBOzgPuSm+3Ufhv+0N/AHg/Ib7D75ETmQCqTHdUWOcbV9gC5NCOG9ZTHuC6 6Pb+Jo4EDGbHO5dFWZfrpDX9KctQR5Ot3qm2Q6Fu1CTE/BNTi461C9gPYpsj05TF 0bZvWV5VLrLJZcwtjfTRPqsJ/ZIS55hcrJjz1FAYKBuMDX/6msVmDWQ7W9y84DDH Zpw6cbLxNkzhH5cQWfs+rd+nj5FJf0FJU8eKZCIs0yJX21/+ok4+kqol3BZaJhjq Kbk5aC6He1VZHATIZa+I0fwianIFsR9M6VRGgPw9LnzlQ6Rg5obwuan8dsSov5qE 3ZU/5QqCvAk4FP6uoYCB =VsxP -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce