-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security and bug fix update Advisory ID: RHSA-2020:0375-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:0375 Issue date: 2020-02-04 CVE Names: CVE-2019-14816 CVE-2019-14895 CVE-2019-14898 CVE-2019-14901 CVE-2019-17133 ===================================================================== 1. Summary: An update for kernel-rt is now available for Red Hat Enterprise Linux 7. 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 Realtime (v. 7) - noarch, x86_64 Red Hat Enterprise Linux for Real Time for NFV (v. 7) - noarch, x86_64 3. 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) 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/): 1744149 - CVE-2019-14816 kernel: heap overflow in mwifiex_update_vs_ie() function of Marvell WiFi driver 1771909 - CVE-2019-17133 kernel: buffer overflow in cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c 1773519 - CVE-2019-14901 kernel: heap overflow in marvell/mwifiex/tdls.c 1774671 - CVE-2019-14898 kernel: incomplete fix for race condition between mmget_not_zero()/get_task_mm() and core dumping in CVE-2019-11599 1774870 - CVE-2019-14895 kernel: heap-based buffer overflow in mwifiex_process_country_ie() function in drivers/net/wireless/marvell/mwifiex/sta_ioctl.c 1781157 - kvm nx_huge_pages_recovery_ratio=0 is needed to meet KVM-RT low latency requirement [rhel-7.7.z] 6. Package List: Red Hat Enterprise Linux for Real Time for NFV (v. 7): Source: kernel-rt-3.10.0-1062.12.1.rt56.1042.el7.src.rpm noarch: kernel-rt-doc-3.10.0-1062.12.1.rt56.1042.el7.noarch.rpm x86_64: kernel-rt-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-debug-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-debug-kvm-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-debug-kvm-debuginfo-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-devel-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-kvm-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-kvm-debuginfo-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-trace-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-trace-kvm-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-trace-kvm-debuginfo-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm Red Hat Enterprise Linux Realtime (v. 7): Source: kernel-rt-3.10.0-1062.12.1.rt56.1042.el7.src.rpm noarch: kernel-rt-doc-3.10.0-1062.12.1.rt56.1042.el7.noarch.rpm x86_64: kernel-rt-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-debug-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-devel-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-trace-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-1062.12.1.rt56.1042.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-1062.12.1.rt56.1042.el7.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-2019-14816 https://access.redhat.com/security/cve/CVE-2019-14895 https://access.redhat.com/security/cve/CVE-2019-14898 https://access.redhat.com/security/cve/CVE-2019-14901 https://access.redhat.com/security/cve/CVE-2019-17133 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 2020 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXjnHA9zjgjWX9erEAQhkuBAAiLbVNf97ctIazYtjG9pKuguyipfzNJG/ GswBgSmwCW5lrXWAFmHv7NKWjGggPRppsHhO5v6wqKqQ+3tPShkoYQMxQ4BcA2NO 8/VyKU5QyIgNS+zNZ+8lQt9ulKq/3YgxgLUEYag37AUDRQIAoy3zIiDycGo1sSCy b27fXAEiucxQ1U3g5zgekRvDANmbE9Vr3b0T1kY8vQ7wPmDCZve49H6vnkhnYU43 20x3VXhlI7IPNJvQeJBFYq164IsiG4rIZyM/CDiR7Si/xLs0ZbyM/fIwrGnpDaWF P+cMbVrhUCt5dfZ0oJ8w0psdkA18ydl9AjpzmR7is0OORcrFxkmudFiMzhhXHtcS quvmKT5pzE6cGlg9ceCnLtF9LO64UhD7cR2IM3bCEOwfq9IFUjXouBb9yivI9Ubf djkMyJgri5iy/K9AWD3Dbyc/kH7BCAvhgkqK59O4Uo2cjEioLPVRVjZmZdQkJhGO stlZ+tqo2yvx0C/JSgmZFbfqWXwBZgfJPSqwxlmE6pAc2Wy6IF03qYnl9bl3CeOz KuHMLBV0qTojCTbpqICu5VWbmkOAzrl/2rKpowVoJZHrt3MWvw1TwraC3XxaIQJU 7vj0VyeHiak+xAxzqSXk31Aa7XZJ9t4LcyZ3DXrFK0LwYVcQiXpM50oEKYP6zgyo gxtKP2kF2EY= =/T5f -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce