-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security and bug fix update Advisory ID: RHSA-2020:3221-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:3221 Issue date: 2020-07-29 CVE Names: CVE-2019-19527 CVE-2020-10757 CVE-2020-12653 CVE-2020-12654 ==================================================================== 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: kernel: DAX hugepages not considered during mremap (CVE-2020-10757) * kernel: buffer overflow in mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c (CVE-2020-12653) * kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c (CVE-2020-12654) * kernel: use-after-free caused by a malicious USB device in the drivers/hid/usbhid/hiddev.c driver (CVE-2019-19527) 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): * kernel-rt: provide infrastructure to support dual-signing of the kernel (foundation to help address CVE-2020-10713) (BZ#1837438) * kernel-rt: update to the latest RHEL7.8.z3 source tree (BZ#1848017) 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/): 1783498 - CVE-2019-19527 kernel: use-after-free caused by a malicious USB device in the drivers/hid/usbhid/hiddev.c driver 1831868 - CVE-2020-12653 kernel: buffer overflow in mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c 1832530 - CVE-2020-12654 kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c 1842525 - CVE-2020-10757 kernel: kernel: DAX hugepages not considered during mremap 6. Package List: Red Hat Enterprise Linux for Real Time for NFV (v. 7): Source: kernel-rt-3.10.0-1127.18.2.rt56.1116.el7.src.rpm noarch: kernel-rt-doc-3.10.0-1127.18.2.rt56.1116.el7.noarch.rpm x86_64: kernel-rt-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-debug-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-debug-kvm-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-debug-kvm-debuginfo-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-devel-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-kvm-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-kvm-debuginfo-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-trace-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-trace-kvm-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-trace-kvm-debuginfo-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm Red Hat Enterprise Linux Realtime (v. 7): Source: kernel-rt-3.10.0-1127.18.2.rt56.1116.el7.src.rpm noarch: kernel-rt-doc-3.10.0-1127.18.2.rt56.1116.el7.noarch.rpm x86_64: kernel-rt-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-debug-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-debug-kvm-debuginfo-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-devel-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-kvm-debuginfo-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-trace-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm kernel-rt-trace-kvm-debuginfo-3.10.0-1127.18.2.rt56.1116.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-2019-19527 https://access.redhat.com/security/cve/CVE-2020-10757 https://access.redhat.com/security/cve/CVE-2020-12653 https://access.redhat.com/security/cve/CVE-2020-12654 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/grub2bootloader 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 iQIVAwUBXyG9/NzjgjWX9erEAQhbcQ//cB0zDB22Eti9qh5Vl2NCy1XdyntNGD+b qd66nd8uhTVf1WF7lDNujHSxt/Tmme69TylAlsNup0CApW47Mq32EMupLiSusxg7 KbFtyU8xBfgIZ7S9SWhu4eUipEOjh9FwtNLNb6rXSEhQQ0AuY7hMAdyJpKspzWle B8BGndRo+ZzD4c++GLUrfruXutnYRLLl6bC16xUK9fAAYWO/JxvimyYKU2mclO3c mJY23E1LO85QycSQtZ/nhwlMVQ8Zm13CMtK3SLJ/h9WOFimKeppeXB2SiOuvqF6l iKE/seQkNGEmQ7qL4AesWB0/e174TsRs0VArJaUHhyhyj7qF6bt2N7Xm7Y+j2wNz 3wrUW/bVLgDG4jgUvE1EQyDdalLchLNf5CgVC+5OlucwI/tI4vOlDsTvqfWcyl3k pgbQMV0kNL/eIb0hKlGtC0gRD7OOfz9KOD7+RUpyjmCF0MN8rAzQ6xnU4p7bEv5x t+KhIXANoROla12P5lLGc7xY5D+MsjPQX2+o/GpXtAT15AP/cTN2jIztYRG8vW5w yldXMW87fI5/D7LrbFGU8u+X5yAdXV5EOglcOD1YRhkaIAGTcbgj5U0n6zgRSeZu inSTjUyoTFeUWJllyrW+lWX+/hQm0JD1vNAvmufgajbfXYPks8WzvUAmMvyJs76M uUek55sHSOs=FmWv -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce