-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2023:4967-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:4967 Issue date: 2023-09-05 CVE Names: CVE-2023-1829 CVE-2023-3090 CVE-2023-3390 CVE-2023-4004 CVE-2023-35001 CVE-2023-35788 ===================================================================== 1. Summary: An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.4 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.8.4) - 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 vulnerability in the Linux Kernel traffic control index filter (CVE-2023-1829) * kernel: ipvlan: out-of-bounds write caused by unclear skb->cb (CVE-2023-3090) * kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests (CVE-2023-3390) * kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() (CVE-2023-4004) * kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() (CVE-2023-35001) * 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/): 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() 2218672 - CVE-2023-3090 kernel: ipvlan: out-of-bounds write caused by unclear skb->cb 2220892 - CVE-2023-35001 kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() 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 E4S (v.8.4): Source: kpatch-patch-4_18_0-305_76_1-1-5.el8_4.src.rpm kpatch-patch-4_18_0-305_82_1-1-4.el8_4.src.rpm kpatch-patch-4_18_0-305_86_2-1-3.el8_4.src.rpm kpatch-patch-4_18_0-305_88_1-1-3.el8_4.src.rpm kpatch-patch-4_18_0-305_91_1-1-2.el8_4.src.rpm kpatch-patch-4_18_0-305_97_1-1-1.el8_4.src.rpm ppc64le: kpatch-patch-4_18_0-305_76_1-1-5.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_76_1-debuginfo-1-5.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_76_1-debugsource-1-5.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_82_1-1-4.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_82_1-debuginfo-1-4.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_82_1-debugsource-1-4.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_86_2-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_86_2-debuginfo-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_86_2-debugsource-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_88_1-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_88_1-debuginfo-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_88_1-debugsource-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_91_1-1-2.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_91_1-debuginfo-1-2.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_91_1-debugsource-1-2.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_97_1-1-1.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_97_1-debuginfo-1-1.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_97_1-debugsource-1-1.el8_4.ppc64le.rpm x86_64: kpatch-patch-4_18_0-305_76_1-1-5.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_76_1-debuginfo-1-5.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_76_1-debugsource-1-5.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_82_1-1-4.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_82_1-debuginfo-1-4.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_82_1-debugsource-1-4.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_86_2-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_86_2-debuginfo-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_86_2-debugsource-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_88_1-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_88_1-debuginfo-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_88_1-debugsource-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_91_1-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_91_1-debuginfo-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_91_1-debugsource-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_97_1-1-1.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_97_1-debuginfo-1-1.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_97_1-debugsource-1-1.el8_4.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-2023-1829 https://access.redhat.com/security/cve/CVE-2023-3090 https://access.redhat.com/security/cve/CVE-2023-3390 https://access.redhat.com/security/cve/CVE-2023-4004 https://access.redhat.com/security/cve/CVE-2023-35001 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 iQIcBAEBCAAGBQJk9yhYAAoJENzjgjWX9erEtTIP/0EruC40gi4fT3+YLIxrNIgS Bl7SK1GQ+KMtIn/5+IEqJPg57qIJpNESofG9gjVww7lXoyc8SPmU9NIDoEA25gK0 im5GujEq4c+c07RR9gadfpcDVP61gayDlsxK//LeF2SQ34mZep2KSeDbHeR3uDgN zbP1slHBN0pD2PGiqnTu5MlYya6cbnonsaBxMYIWbkTrKpBSpz4tXUZSVwWeAytq Iqobzcd1RDBlkdX7IR53A6RI7g2MGYjgD+rK3WX3F/b4pnAD+M0IEzx4HTC+5IeI oDtUjyI/qsJKfKHPaK/N/9AmWprReoYfPw3uPcg+NEYcQl3Iwsn1skPM2kU0UzBA LJSi/3caU32+atAB4OxCotNpjX4XUuf1o06p5J5tN8h5BWx7gw1Ce+CBLvfylqg3 z1TroQ6aBBkyxADt/ACOghbDaqOS0S5YboJYEfxnyEcEwwYXS4xFY8ZNl4UcOBt7 VklDpo8g9k3tB8gLN/FEFsNEd0lAkTPqcSNup8+pB799BZgJ9ALhwhIUe+VD5beM bT3mmJodsRDO/f/UYqtbFlQxsy9m/NVhfEZ+9tL3Od29v3pCJNj2A0lMpDjHBt2+ 7iX5lfH0M16S6AGMh+xm/llAY9eFLZl+9THUzrHGtZBnnfOt4fhJ++nfhXJ1uXoj +ANDl9NZ1qMdTVVv6goN =O4mq -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce