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(RHSA-2020:0375) Important: kernel-rt security and bug fix update

Description

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: heap overflow in mwifiex_update_vs_ie() function of Marvell WiFi driver (CVE-2019-14816) * kernel: heap-based buffer overflow in mwifiex_process_country_ie() function in drivers/net/wireless/marvell/mwifiex/sta_ioctl.c (CVE-2019-14895) * kernel: heap overflow in marvell/mwifiex/tdls.c (CVE-2019-14901) * kernel: buffer overflow in cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c (CVE-2019-17133) * kernel: incomplete fix for race condition between mmget_not_zero()/get_task_mm() and core dumping in CVE-2019-11599 (CVE-2019-14898) 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): * patchset for x86/atomic: Fix smp_mb__{before,after}_atomic() [kernel-rt] (BZ#1772522) * kernel-rt: update to the RHEL7.7.z batch#4 source tree (BZ#1780322) * kvm nx_huge_pages_recovery_ratio=0 is needed to meet KVM-RT low latency requirement (BZ#1781157) * kernel-rt: hard lockup panic in during execution of CFS bandwidth period timer (BZ#1788057)


Affected Package


OS OS Version Package Name Package Version
RedHat 7 kernel-rt 3.10.0-1062.12.1.rt56.1042.el7
RedHat 7 kernel-rt-trace-debuginfo 3.10.0-1062.12.1.rt56.1042.el7
RedHat 7 kernel-rt-devel 3.10.0-1062.12.1.rt56.1042.el7
RedHat 7 kernel-rt-kvm-debuginfo 3.10.0-1062.12.1.rt56.1042.el7
RedHat 7 kernel-rt-debuginfo 3.10.0-1062.12.1.rt56.1042.el7
RedHat 7 kernel-rt-trace-kvm-debuginfo 3.10.0-1062.12.1.rt56.1042.el7
RedHat 7 kernel-rt-debug-kvm-debuginfo 3.10.0-1062.12.1.rt56.1042.el7
RedHat 7 kernel-rt-debuginfo-common-x86_64 3.10.0-1062.12.1.rt56.1042.el7
RedHat 7 kernel-rt-trace-devel 3.10.0-1062.12.1.rt56.1042.el7
RedHat 7 kernel-rt-debug 3.10.0-1062.12.1.rt56.1042.el7
RedHat 7 kernel-rt-debug-devel 3.10.0-1062.12.1.rt56.1042.el7
RedHat 7 kernel-rt-kvm 3.10.0-1062.12.1.rt56.1042.el7
RedHat 7 kernel-rt 3.10.0-1062.12.1.rt56.1042.el7
RedHat 7 kernel-rt-doc 3.10.0-1062.12.1.rt56.1042.el7
RedHat 7 kernel-rt-trace-kvm 3.10.0-1062.12.1.rt56.1042.el7
RedHat 7 kernel-rt-debug-kvm 3.10.0-1062.12.1.rt56.1042.el7
RedHat 7 kernel-rt-debug-debuginfo 3.10.0-1062.12.1.rt56.1042.el7
RedHat 7 kernel-rt-trace 3.10.0-1062.12.1.rt56.1042.el7

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