-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2023:4262-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:4262 Issue date: 2023-07-25 CVE Names: CVE-2023-1281 CVE-2023-32233 ===================================================================== 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: 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 E4S (v.8.4): Source: kpatch-patch-4_18_0-305_76_1-1-4.el8_4.src.rpm kpatch-patch-4_18_0-305_82_1-1-3.el8_4.src.rpm kpatch-patch-4_18_0-305_86_2-1-2.el8_4.src.rpm kpatch-patch-4_18_0-305_88_1-1-2.el8_4.src.rpm kpatch-patch-4_18_0-305_91_1-1-1.el8_4.src.rpm ppc64le: kpatch-patch-4_18_0-305_76_1-1-4.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_76_1-debuginfo-1-4.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_76_1-debugsource-1-4.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_82_1-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_82_1-debuginfo-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_82_1-debugsource-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_86_2-1-2.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_86_2-debuginfo-1-2.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_86_2-debugsource-1-2.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_88_1-1-2.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_88_1-debuginfo-1-2.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_88_1-debugsource-1-2.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_91_1-1-1.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_91_1-debuginfo-1-1.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_91_1-debugsource-1-1.el8_4.ppc64le.rpm x86_64: kpatch-patch-4_18_0-305_76_1-1-4.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_76_1-debuginfo-1-4.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_76_1-debugsource-1-4.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_82_1-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_82_1-debuginfo-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_82_1-debugsource-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_86_2-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_86_2-debuginfo-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_86_2-debugsource-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_88_1-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_88_1-debuginfo-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_88_1-debugsource-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_91_1-1-1.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_91_1-debuginfo-1-1.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_91_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-2023-1281 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 iQIcBAEBCAAGBQJkv4XDAAoJENzjgjWX9erEL98P/2wLaGeuiNwvEkO+VOfuyueR AFq2d5aiWBvCH5p0LE07Ei6MfvGQJVmAMhJNQsGdyQmtEaz1QDM5+HFsUN71s59P WrEAmdamcZvCMmxMAYstEfAQqPVNt4bdC4h5USWRb1fmXiwbo58mvWuHqcidOemi MOhJF2VxvfAj+LoFWmiz5yKsNz0iQIq5/+LXZ1Ny6RBYoAIqjyMqdkyfNE9I65wf RyVjCWmlYfb1hXyGZDcj/MvuCxUTVfPtl9G/a4dwG8NzuZYCLSUPaJAuKDddOMsm fqPdB5CapM7elYmGROz253gC1QaeLx9kKo3Xq9FqXUfwXincuve4xCARkkxcfoTt 1tUUsngyDJRDPXJSLh+TaCNcybPs3EkTC8SbzXqDy4AX4EfhbA0sW1Z0MQJAfcnQ foETLI4/yMoG7pNrCpPzmCYPCqi39DYDvIDlWw5FHjFFyUhYW4iWY+hxjmXJyopD lOUjkSYdhZNYaZrfMAhTSyoysbpSjvQharPGYH3ChE544Ntg048JK+5pjTjgjLt2 60MrSG9vOfDV2XTJ/aIfYKZmkn12ygLOAwYIasPO8p6Iwb8e6vLmDL2Vn+sQf30E DO6rdvrjGx4EucaX+1Sv6v74tLvj2C1UQdm3XSuH4fZuPRj2SVC6F8akfe4tRlB0 PvEc8DjF+pzdE9LFTMff =lzMX -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce