-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2023:4815-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:4815 Issue date: 2023-08-29 CVE Names: CVE-2023-2124 CVE-2023-3090 CVE-2023-35788 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 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 AUS (v. 8.2) - noarch, x86_64 Red Hat Enterprise Linux BaseOS E4S (v. 8.2) - noarch, ppc64le, x86_64 Red Hat Enterprise Linux BaseOS TUS (v. 8.2) - noarch, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: ipvlan: out-of-bounds write caused by unclear skb->cb (CVE-2023-3090) * kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() (CVE-2023-35788) * kernel: OOB access in the Linux kernel's XFS subsystem (CVE-2023-2124) 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. Bug Fix(es): * Windows Server 2019 guest randomly pauses with "KVM: entry failed, hardware error 0x80000021", RHEL 8.8GA (BZ#2211657) * rbd: avoid fast-diff corruption in snapshot-based mirroring, RHEL 8.9 (BZ#2216772) 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 The system must be rebooted for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 2187439 - CVE-2023-2124 kernel: OOB access in the Linux kernel's XFS subsystem 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 6. Package List: Red Hat Enterprise Linux BaseOS AUS (v. 8.2): Source: kernel-4.18.0-193.113.1.el8_2.src.rpm noarch: kernel-abi-whitelists-4.18.0-193.113.1.el8_2.noarch.rpm kernel-doc-4.18.0-193.113.1.el8_2.noarch.rpm x86_64: bpftool-4.18.0-193.113.1.el8_2.x86_64.rpm bpftool-debuginfo-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-core-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-cross-headers-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debug-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debug-core-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debug-debuginfo-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debug-devel-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debug-modules-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debug-modules-extra-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debuginfo-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-devel-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-headers-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-modules-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-modules-extra-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-tools-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-tools-debuginfo-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-tools-libs-4.18.0-193.113.1.el8_2.x86_64.rpm perf-4.18.0-193.113.1.el8_2.x86_64.rpm perf-debuginfo-4.18.0-193.113.1.el8_2.x86_64.rpm python3-perf-4.18.0-193.113.1.el8_2.x86_64.rpm python3-perf-debuginfo-4.18.0-193.113.1.el8_2.x86_64.rpm Red Hat Enterprise Linux BaseOS E4S (v. 8.2): Source: kernel-4.18.0-193.113.1.el8_2.src.rpm noarch: kernel-abi-whitelists-4.18.0-193.113.1.el8_2.noarch.rpm kernel-doc-4.18.0-193.113.1.el8_2.noarch.rpm ppc64le: bpftool-4.18.0-193.113.1.el8_2.ppc64le.rpm bpftool-debuginfo-4.18.0-193.113.1.el8_2.ppc64le.rpm kernel-4.18.0-193.113.1.el8_2.ppc64le.rpm kernel-core-4.18.0-193.113.1.el8_2.ppc64le.rpm kernel-cross-headers-4.18.0-193.113.1.el8_2.ppc64le.rpm kernel-debug-4.18.0-193.113.1.el8_2.ppc64le.rpm kernel-debug-core-4.18.0-193.113.1.el8_2.ppc64le.rpm kernel-debug-debuginfo-4.18.0-193.113.1.el8_2.ppc64le.rpm kernel-debug-devel-4.18.0-193.113.1.el8_2.ppc64le.rpm kernel-debug-modules-4.18.0-193.113.1.el8_2.ppc64le.rpm kernel-debug-modules-extra-4.18.0-193.113.1.el8_2.ppc64le.rpm kernel-debuginfo-4.18.0-193.113.1.el8_2.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-193.113.1.el8_2.ppc64le.rpm kernel-devel-4.18.0-193.113.1.el8_2.ppc64le.rpm kernel-headers-4.18.0-193.113.1.el8_2.ppc64le.rpm kernel-modules-4.18.0-193.113.1.el8_2.ppc64le.rpm kernel-modules-extra-4.18.0-193.113.1.el8_2.ppc64le.rpm kernel-tools-4.18.0-193.113.1.el8_2.ppc64le.rpm kernel-tools-debuginfo-4.18.0-193.113.1.el8_2.ppc64le.rpm kernel-tools-libs-4.18.0-193.113.1.el8_2.ppc64le.rpm perf-4.18.0-193.113.1.el8_2.ppc64le.rpm perf-debuginfo-4.18.0-193.113.1.el8_2.ppc64le.rpm python3-perf-4.18.0-193.113.1.el8_2.ppc64le.rpm python3-perf-debuginfo-4.18.0-193.113.1.el8_2.ppc64le.rpm x86_64: bpftool-4.18.0-193.113.1.el8_2.x86_64.rpm bpftool-debuginfo-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-core-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-cross-headers-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debug-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debug-core-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debug-debuginfo-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debug-devel-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debug-modules-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debug-modules-extra-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debuginfo-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-devel-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-headers-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-modules-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-modules-extra-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-tools-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-tools-debuginfo-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-tools-libs-4.18.0-193.113.1.el8_2.x86_64.rpm perf-4.18.0-193.113.1.el8_2.x86_64.rpm perf-debuginfo-4.18.0-193.113.1.el8_2.x86_64.rpm python3-perf-4.18.0-193.113.1.el8_2.x86_64.rpm python3-perf-debuginfo-4.18.0-193.113.1.el8_2.x86_64.rpm Red Hat Enterprise Linux BaseOS TUS (v. 8.2): Source: kernel-4.18.0-193.113.1.el8_2.src.rpm noarch: kernel-abi-whitelists-4.18.0-193.113.1.el8_2.noarch.rpm kernel-doc-4.18.0-193.113.1.el8_2.noarch.rpm x86_64: bpftool-4.18.0-193.113.1.el8_2.x86_64.rpm bpftool-debuginfo-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-core-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-cross-headers-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debug-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debug-core-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debug-debuginfo-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debug-devel-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debug-modules-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debug-modules-extra-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debuginfo-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-devel-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-headers-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-modules-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-modules-extra-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-tools-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-tools-debuginfo-4.18.0-193.113.1.el8_2.x86_64.rpm kernel-tools-libs-4.18.0-193.113.1.el8_2.x86_64.rpm perf-4.18.0-193.113.1.el8_2.x86_64.rpm perf-debuginfo-4.18.0-193.113.1.el8_2.x86_64.rpm python3-perf-4.18.0-193.113.1.el8_2.x86_64.rpm python3-perf-debuginfo-4.18.0-193.113.1.el8_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-2023-2124 https://access.redhat.com/security/cve/CVE-2023-3090 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 iQIcBAEBCAAGBQJk7gWOAAoJENzjgjWX9erEBFgP/1rlGhyS53mT0/iU1JkXZgOW D8FbyJ/0cjdc03f1xWPPwlg1/n4BsdQwpYiuxKjxj1DbhyoYfBUkQa61vHdONX5V o6zotd6o6JeO5R4LpEom91sPZKkESyzcaTPiONgeRUOnI0USQS3+NabqOKYU/52V RmsEe+bj8BLv+OhAhJTe5Cwb0d8GwEbN5cuDY0DA78HImFUPFBLfhgdXAlotf2yf +E9+kbepUCzNQS0kR53Gu/S4rqWD93oXNnQBmURLW+ol34rjps9Cr+de2kYwg4Ka g0Nm2wuiXL6O2ny5oKFRwJmtUiEW8Ms3kvMyv/w6KkiXmFLmDBU/6rt1DOWzPhoE DT+s6BL+PKUbgLF5Nb/VA0/cSKRePFZa5WTwXYULK1i/ti6yJ66Sz2wN3SPFIAE0 n4ftPIxlAsykr2tccHfibbP2pELvIEDmlWYJHDrZInX/5hwff48elYbEXqqYcZfH EZ8gHwtz277eaj2miHGh7nD1IJ6jkGdMZrydi4brRnTFm47bA90EymwDjPkr6qVN w3jhFXr88GPyVQlNOb+CMMQpUkkeOaRa4GkCmetvHVjo5k3J7vrZGSNQlVyOfCCA PcI6gSfLtUkvMhUDdNlYQRFuAT+2QWJWd2/mdYWo1vSdecaO2LcFZjYR1NiDu8o+ 0Qr3PyX3OVG1CZO65ZIk =nbVf -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce