-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2023:5093-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:5093 Issue date: 2023-09-12 CVE Names: CVE-2023-3390 CVE-2023-3610 CVE-2023-3776 CVE-2023-4004 CVE-2023-4147 CVE-2023-31248 CVE-2023-35001 ===================================================================== 1. Summary: An update for kpatch-patch is now available for Red Hat Enterprise Linux 9. 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 (v. 9) - 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: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests (CVE-2023-3390) * kernel: netfilter: nf_tables: fix chain binding transaction logic in the abort path of NFT_MSG_NEWRULE (CVE-2023-3610) * kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function (CVE-2023-3776) * kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() (CVE-2023-4004) * kernel: netfilter: nf_tables_newrule when adding a rule with NFTA_RULE_CHAIN_ID leads to use-after-free (CVE-2023-4147) * kernel: nf_tables: use-after-free in nft_chain_lookup_byid() (CVE-2023-31248) * kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() (CVE-2023-35001) 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/): 2213260 - CVE-2023-3390 kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests 2220892 - CVE-2023-35001 kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() 2220893 - CVE-2023-31248 kernel: nf_tables: use-after-free in nft_chain_lookup_byid() 2225097 - CVE-2023-3776 kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function 2225198 - CVE-2023-3610 kernel: netfilter: nf_tables: fix chain binding transaction logic in the abort path of NFT_MSG_NEWRULE 2225239 - CVE-2023-4147 kernel: netfilter: nf_tables_newrule when adding a rule with NFTA_RULE_CHAIN_ID leads to use-after-free 2225275 - CVE-2023-4004 kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() 6. Package List: Red Hat Enterprise Linux BaseOS (v. 9): Source: kpatch-patch-5_14_0-284_11_1-1-5.el9_2.src.rpm kpatch-patch-5_14_0-284_18_1-1-4.el9_2.src.rpm kpatch-patch-5_14_0-284_25_1-1-3.el9_2.src.rpm ppc64le: kpatch-patch-5_14_0-284_11_1-1-5.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_11_1-debuginfo-1-5.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_11_1-debugsource-1-5.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_18_1-1-4.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_18_1-debuginfo-1-4.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_18_1-debugsource-1-4.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_25_1-1-3.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_25_1-debuginfo-1-3.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_25_1-debugsource-1-3.el9_2.ppc64le.rpm x86_64: kpatch-patch-5_14_0-284_11_1-1-5.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_11_1-debuginfo-1-5.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_11_1-debugsource-1-5.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_18_1-1-4.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_18_1-debuginfo-1-4.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_18_1-debugsource-1-4.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_25_1-1-3.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_25_1-debuginfo-1-3.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_25_1-debugsource-1-3.el9_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-2023-3390 https://access.redhat.com/security/cve/CVE-2023-3610 https://access.redhat.com/security/cve/CVE-2023-3776 https://access.redhat.com/security/cve/CVE-2023-4004 https://access.redhat.com/security/cve/CVE-2023-4147 https://access.redhat.com/security/cve/CVE-2023-31248 https://access.redhat.com/security/cve/CVE-2023-35001 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 iQIcBAEBCAAGBQJlAINWAAoJENzjgjWX9erEFeYP/j+dydaEaJ3erilxS6+E8srO qobJMIWOs7A8nEVE7O5mpR29HF8CiqyON/LAPvzx7IcsGYsbpxZcaKZfr+6RNoI/ H6k2/FO04foA12dbZW3iKST6TLxxF4PL78Mzu1mfeg6Yzo3hYWqH4vbf9aCzIXlo gx/8KTj1YU8JxD9g/DO8ax+5CkafjXkxN2HqhR5CedOAd0rSXZ5SfR6Iy8oKPM2b N6MD6eVA9IBOlIkec7ho5jeOZuTnybegpPIMDaW5l51dNsZ8lhR5PXsnFXZh8y/p JgJYnmVfJ6qqX10Xeey4xnVGqUQz1yBwJEkWdo0Nwx71EbJ19KJsHCheC1nUFjEd /slcmfXrvtXSGkgfQJ8XrJtsmR33W0ic1E0NLyCb8LYZtLlmusYnM/PcnZSFIrkj lVmHZyvbEZ+3JKm6UJShlLvYfXz/WkfTmTNLpn93xAfjrUpZwoU4X3RhfFIc969S cTGmD0MpCCO79SDZWjbjLY3hm7UiEVv41mcJAJ7Xh1Mk3J+u0I/j8otAYe8HHCSL g924LYCJRoxC3DfCDjL2XoT/QVoV1Hx5OybapPyyGz+G7IO1pT6h7K6GbiF6awwd Fs7p0BJEfMZ77JQbAby+DpSzV4ri68y6yXw+cA+GsB9qWS5lv6i8QbVAkS369PdY 0QKZgetbqXkuLHKUVw2f =dsfK -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce