-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security, bug fix, and enhancement update Advisory ID: RHSA-2019:1959-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:1959 Issue date: 2019-07-30 CVE Names: CVE-2018-20784 CVE-2019-11085 CVE-2019-11810 CVE-2019-11811 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 8. 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 CodeReady Linux Builder (v. 8) - aarch64, ppc64le, x86_64 Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: insufficient input validation in kernel mode driver in Intel i915 graphics leads to privilege escalation (CVE-2019-11085) * kernel: DMA attack using peripheral devices (Thunderclap) (BZ#1690716) * kernel: infinite loop in update_blocked_averages() in kernel/sched/fair.c leading to denial of service (CVE-2018-20784) * kernel: a NULL pointer dereference in drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS (CVE-2019-11810) * kernel: use-after-free in drivers/char/ipmi/ipmi_si_intf.c, ipmi_si_mem_io.c, ipmi_si_port_io.c (CVE-2019-11811) 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): * [DELL 8.0 z-stream BUG] - "CPU unsupported" message with CFL-H/S 8+2 due to updated Stepping (BZ#1711048) * RHEL8.0 Snapshot4 - [LTC Test] Guest crashes during vfio device hot-plug/un-plug operations. (kvm) (BZ#1714746) * Using Transactional Memory (TM) in a Guest Locks-up Host Core on a Power9 System (BZ#1714751) * VRSAVE register not properly saved and restored (BZ#1714753) * Fix potential spectre gadget in arch/s390/kvm/interrupt.c (BZ#1714754) * RHEL8.0 RC2 - kernel/KVM - count cache flush Spectre v2 mitigation (required for POWER9 DD2.3) (BZ#1715018) * iommu/amd: Set exclusion range correctly (BZ#1715336) * RHEL8.0 - sched/fair: Do not re-read ->h_load_next during hierarchical load calculation (BZ#1715337) * cross compile builds are broken (BZ#1715339) * Patch generated by 'make rh-test-patch' doesn't get applied during build (BZ#1715340) * hard lockup panic in during execution of CFS bandwidth period timer (BZ#1715345) * perf annotate -P does not give full paths (BZ#1716887) * [Dell EMC 8.0 BUG] File system corrupting with I/O Stress on H330 PERC on AMD Systems if IOMMU passthrough is disabled (BZ#1717344) * Fix Spectre v1 gadgets in drivers/gpu/drm/drm_bufs.c and drivers/gpu/drm/drm_ioctl.c (BZ#1717382) * BUG: SELinux doesn't handle NFS crossmnt well (BZ#1717777) * krb5{,i,p} doesn't work with older enctypes on aarch64 (BZ#1717800) * [RHEL-8.0][s390x]ltp-lite mtest06 testing hits EWD due to: rcu: INFO: rcu_sched self-detected stall on CPU (BZ#1717801) * RHEL 8 Snapshot-6: CN1200E SW iSCSI I/O performance degradation after a SCSI device/target reset rhel-8.0.0.z] (BZ#1717804) * dm cache metadata: Fix loading discard bitset (BZ#1717868) * jit'd java code on power9 ppc64le experiences stack corruption (BZ#1717869) * BUG: connect(AF_UNSPEC, ...) on a connected socket returns an error (BZ#1717870) * mm: BUG: unable to handle kernel paging request at 0000000057ac6e9d (BZ#1718237) * [HPE 8.0 BUG] DCPMM fsdax boot initialization takes a long time causing auto-mount to fail (BZ#1719635) * AMD Rome: WARNING: CPU: 1 PID: 0 at arch/x86/kernel/cpu/mcheck/mce.c:1510 mcheck_cpu_init+0x7a/0x460 (BZ#1721233) * [RHEL8.1] AMD Rome: EDAC amd64: Error: F0 not found, device 0x1460 (broken BIOS?) (BZ#1722365) * AMD Rome: Intermittent NMI received for unknown reason (BZ#1722367) * [DELL 8.0 BUG] - "CPU unsupported" message with WHL-U due to updated Stepping (BZ#1722372) Enhancement(s): * RHEL 8 - AMD Rome Support (BZ#1721972) Users of kernel are advised to upgrade to these updated packages, which fix these bugs and add this enhancement. 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/): 1680540 - CVE-2018-20784 kernel: infinite loop in update_blocked_averages() in kernel/sched/fair.c leading to denial of service 1690716 - kernel: DMA attack using peripheral devices (Thunderclap) 1709164 - CVE-2019-11810 kernel: a NULL pointer dereference in drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS 1709180 - CVE-2019-11811 kernel: use-after-free in drivers/char/ipmi/ipmi_si_intf.c, ipmi_si_mem_io.c, ipmi_si_port_io.c 1710405 - CVE-2019-11085 kernel: insufficient input validation in kernel mode driver in Intel i915 graphics leads to privilege escalation 6. Package List: Red Hat Enterprise Linux BaseOS (v. 8): Source: kernel-4.18.0-80.7.1.el8_0.src.rpm aarch64: bpftool-4.18.0-80.7.1.el8_0.aarch64.rpm bpftool-debuginfo-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-core-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-cross-headers-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-debug-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-debug-core-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-debug-debuginfo-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-debug-devel-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-debug-modules-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-debug-modules-extra-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-debuginfo-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-devel-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-headers-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-modules-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-modules-extra-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-tools-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-tools-debuginfo-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-tools-libs-4.18.0-80.7.1.el8_0.aarch64.rpm perf-4.18.0-80.7.1.el8_0.aarch64.rpm perf-debuginfo-4.18.0-80.7.1.el8_0.aarch64.rpm python3-perf-4.18.0-80.7.1.el8_0.aarch64.rpm python3-perf-debuginfo-4.18.0-80.7.1.el8_0.aarch64.rpm noarch: kernel-abi-whitelists-4.18.0-80.7.1.el8_0.noarch.rpm kernel-doc-4.18.0-80.7.1.el8_0.noarch.rpm ppc64le: bpftool-4.18.0-80.7.1.el8_0.ppc64le.rpm bpftool-debuginfo-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-core-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-cross-headers-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-debug-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-debug-core-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-debug-debuginfo-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-debug-devel-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-debug-modules-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-debug-modules-extra-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-debuginfo-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-devel-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-headers-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-modules-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-modules-extra-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-tools-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-tools-debuginfo-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-tools-libs-4.18.0-80.7.1.el8_0.ppc64le.rpm perf-4.18.0-80.7.1.el8_0.ppc64le.rpm perf-debuginfo-4.18.0-80.7.1.el8_0.ppc64le.rpm python3-perf-4.18.0-80.7.1.el8_0.ppc64le.rpm python3-perf-debuginfo-4.18.0-80.7.1.el8_0.ppc64le.rpm s390x: bpftool-4.18.0-80.7.1.el8_0.s390x.rpm bpftool-debuginfo-4.18.0-80.7.1.el8_0.s390x.rpm kernel-4.18.0-80.7.1.el8_0.s390x.rpm kernel-core-4.18.0-80.7.1.el8_0.s390x.rpm kernel-cross-headers-4.18.0-80.7.1.el8_0.s390x.rpm kernel-debug-4.18.0-80.7.1.el8_0.s390x.rpm kernel-debug-core-4.18.0-80.7.1.el8_0.s390x.rpm kernel-debug-debuginfo-4.18.0-80.7.1.el8_0.s390x.rpm kernel-debug-devel-4.18.0-80.7.1.el8_0.s390x.rpm kernel-debug-modules-4.18.0-80.7.1.el8_0.s390x.rpm kernel-debug-modules-extra-4.18.0-80.7.1.el8_0.s390x.rpm kernel-debuginfo-4.18.0-80.7.1.el8_0.s390x.rpm kernel-debuginfo-common-s390x-4.18.0-80.7.1.el8_0.s390x.rpm kernel-devel-4.18.0-80.7.1.el8_0.s390x.rpm kernel-headers-4.18.0-80.7.1.el8_0.s390x.rpm kernel-modules-4.18.0-80.7.1.el8_0.s390x.rpm kernel-modules-extra-4.18.0-80.7.1.el8_0.s390x.rpm kernel-tools-4.18.0-80.7.1.el8_0.s390x.rpm kernel-tools-debuginfo-4.18.0-80.7.1.el8_0.s390x.rpm kernel-zfcpdump-4.18.0-80.7.1.el8_0.s390x.rpm kernel-zfcpdump-core-4.18.0-80.7.1.el8_0.s390x.rpm kernel-zfcpdump-debuginfo-4.18.0-80.7.1.el8_0.s390x.rpm kernel-zfcpdump-devel-4.18.0-80.7.1.el8_0.s390x.rpm kernel-zfcpdump-modules-4.18.0-80.7.1.el8_0.s390x.rpm kernel-zfcpdump-modules-extra-4.18.0-80.7.1.el8_0.s390x.rpm perf-4.18.0-80.7.1.el8_0.s390x.rpm perf-debuginfo-4.18.0-80.7.1.el8_0.s390x.rpm python3-perf-4.18.0-80.7.1.el8_0.s390x.rpm python3-perf-debuginfo-4.18.0-80.7.1.el8_0.s390x.rpm x86_64: bpftool-4.18.0-80.7.1.el8_0.x86_64.rpm bpftool-debuginfo-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-core-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-cross-headers-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-debug-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-debug-core-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-debug-debuginfo-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-debug-devel-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-debug-modules-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-debug-modules-extra-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-debuginfo-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-devel-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-headers-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-modules-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-modules-extra-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-tools-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-tools-debuginfo-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-tools-libs-4.18.0-80.7.1.el8_0.x86_64.rpm perf-4.18.0-80.7.1.el8_0.x86_64.rpm perf-debuginfo-4.18.0-80.7.1.el8_0.x86_64.rpm python3-perf-4.18.0-80.7.1.el8_0.x86_64.rpm python3-perf-debuginfo-4.18.0-80.7.1.el8_0.x86_64.rpm Red Hat CodeReady Linux Builder (v. 8): aarch64: bpftool-debuginfo-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-debug-debuginfo-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-debuginfo-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-tools-debuginfo-4.18.0-80.7.1.el8_0.aarch64.rpm kernel-tools-libs-devel-4.18.0-80.7.1.el8_0.aarch64.rpm perf-debuginfo-4.18.0-80.7.1.el8_0.aarch64.rpm python3-perf-debuginfo-4.18.0-80.7.1.el8_0.aarch64.rpm ppc64le: bpftool-debuginfo-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-debug-debuginfo-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-debuginfo-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-tools-debuginfo-4.18.0-80.7.1.el8_0.ppc64le.rpm kernel-tools-libs-devel-4.18.0-80.7.1.el8_0.ppc64le.rpm perf-debuginfo-4.18.0-80.7.1.el8_0.ppc64le.rpm python3-perf-debuginfo-4.18.0-80.7.1.el8_0.ppc64le.rpm x86_64: bpftool-debuginfo-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-debug-debuginfo-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-debuginfo-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-tools-debuginfo-4.18.0-80.7.1.el8_0.x86_64.rpm kernel-tools-libs-devel-4.18.0-80.7.1.el8_0.x86_64.rpm perf-debuginfo-4.18.0-80.7.1.el8_0.x86_64.rpm python3-perf-debuginfo-4.18.0-80.7.1.el8_0.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-2018-20784 https://access.redhat.com/security/cve/CVE-2019-11085 https://access.redhat.com/security/cve/CVE-2019-11810 https://access.redhat.com/security/cve/CVE-2019-11811 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 2019 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXUARKtzjgjWX9erEAQi+vw/+LwregshtSjsdYjlS9GyK6Zie9S5reUmw wHSGMy88Qed7CGtMcYAiUc0bUo3cM6loriXPXn0PKwjLMohwjUR/rj/6RnolFycN Tre69Nqjng+noHwHUQsDC7/ebe6xSw/iYIPruLybwFhs7UtH1CaoWNWuFALTcdcS /uDwrgAns2HBgq9J+CXB4y2K7EszwL3/sz5nzXSrps0BgHwVIqYMvKooukSAJd+0 jRvXLOVI3TT6PtbVEW8tcX4tqNcsRDgioPqA/FA4Iqp//8BpJBDZ6Y5wfA2y2sOQ pSCl6tQnMfIRbvQHA1Y/Y8G563wc6AmstE0EA0QZJfaZg7TF5daN5oanxDTe/AQ6 oGqUOXoordRkD+HnBxLA0BPZjYeeGBJMO2KQqYewaTHCg2fj7tHBtxtm2NfqKiAY Scj7Z6LL0dqc0GoTSEil21MOFAZVM8rltXqbUsoh+QF7K3yfUZXBt4WoZV02iP67 JJcgem4H6PUdhb7S5hd7ZHgBESq60CzeYpbAW62H7Z0oRZ4EjYOEfJ+DATH+gyhs HnfZTERhEF6aEOJyBnQkWJsV7FiKwGbSq86X1X2BocGn8kEjiyfss1ulWpEkZoOg BAzqjv5R8AWDDBkgFdv6F6QK71nVUgxh72qo8LB1iS9zKxElDys2AnxVzvf3Yf09 GlHa5YkRMrw= =pnT7 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce