-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2023:3853-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:3853 Issue date: 2023-06-27 CVE Names: CVE-2023-1281 CVE-2023-32233 ===================================================================== 1. Summary: An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.1 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. 8.1) - 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. 8.1): Source: kpatch-patch-4_18_0-147_77_1-1-6.el8_1.src.rpm kpatch-patch-4_18_0-147_78_1-1-5.el8_1.src.rpm kpatch-patch-4_18_0-147_80_1-1-4.el8_1.src.rpm kpatch-patch-4_18_0-147_81_1-1-3.el8_1.src.rpm kpatch-patch-4_18_0-147_83_1-1-2.el8_1.src.rpm ppc64le: kpatch-patch-4_18_0-147_77_1-1-6.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_77_1-debuginfo-1-6.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_77_1-debugsource-1-6.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_78_1-1-5.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_78_1-debuginfo-1-5.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_78_1-debugsource-1-5.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_80_1-1-4.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_80_1-debuginfo-1-4.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_80_1-debugsource-1-4.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_81_1-1-3.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_81_1-debuginfo-1-3.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_81_1-debugsource-1-3.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_83_1-1-2.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_83_1-debuginfo-1-2.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_83_1-debugsource-1-2.el8_1.ppc64le.rpm x86_64: kpatch-patch-4_18_0-147_77_1-1-6.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_77_1-debuginfo-1-6.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_77_1-debugsource-1-6.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_78_1-1-5.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_78_1-debuginfo-1-5.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_78_1-debugsource-1-5.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_80_1-1-4.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_80_1-debuginfo-1-4.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_80_1-debugsource-1-4.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_81_1-1-3.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_81_1-debuginfo-1-3.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_81_1-debugsource-1-3.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_83_1-1-2.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_83_1-debuginfo-1-2.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_83_1-debugsource-1-2.el8_1.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 iQIVAwUBZJsFr9zjgjWX9erEAQg99w//SduD1U2YjvMY6nEYxosceYfaesKOn9DQ lx42HQW/yxYRIRQBlF/reuVXQJw3I0lbxA+EdM3LgTwBeJgjrfj3+xVbiIQy9Ohl h95/Gw16ytnV0c61swTR0Ay7/hdD71WVuy8eRAyOb4spXmuDKzOo5TN4HjODhUec I9W/AcGunbUFb2wjt6PeVjz6RGXggs/rAepfl6IP5bXlHOfiKGT8dV7cUQsOEw9w vkKTpbUd8qX9LOs5B/t8Odr+ZOQ4jpStB9J1A5hz5jOC1/95k/x8zSqnYHBTi8y9 CriK9ILofAc52l5TPlEqV2ApK+hGd3LcFU/BwhJQgl3BKtErN9ZjYAHk3omwArLT ajOdaLnPwqHITXJ0VPWQN25s949M8TjkChnB4QSBY8swGQx8O0JRYM/2EzERnxYi 1t6VB2pWIMKq4Wcc2T26BhsAZFCILCGWJ2v3l2rayKileKLyTxEZ+xaDCax5ED4K SoftSK0HWpc1STMcoGCZNsxF3/XXpoZ6oX/pg7FZ2j8PywznUBYoCIAHg05WSJXl nhMk8F1W/vbLLPDslG5nVbLnnsyMEN5SQBZ8Tl3etpYBqr8i6o9enAscu9QR6I2s UvDVff+xPk0c9XRYh2FpV/HU15/rrmKS1vLyZ7MrXGPczM8vyZCXONHkJea4jo8/ ADqeWSpsSZg= =92WA -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce