-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security and bug fix update Advisory ID: RHSA-2020:0839-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:0839 Issue date: 2020-03-17 CVE Names: CVE-2019-11487 CVE-2019-17666 CVE-2019-19338 ===================================================================== 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: Count overflow in FUSE request leading to use-after-free issues. (CVE-2019-11487) * kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow (CVE-2019-17666) * Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA (CVE-2019-11135) (CVE-2019-19338) 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: update to the RHEL7.7.z batch#5 source tree (BZ#1794131) 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/): 1703063 - CVE-2019-11487 kernel: Count overflow in FUSE request leading to use-after-free issues. 1763690 - CVE-2019-17666 kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow 1781514 - CVE-2019-19338 Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA (CVE-2019-11135) 6. Package List: Red Hat Enterprise Linux for Real Time for NFV (v. 7): Source: kernel-rt-3.10.0-1062.18.1.rt56.1044.el7.src.rpm noarch: kernel-rt-doc-3.10.0-1062.18.1.rt56.1044.el7.noarch.rpm x86_64: kernel-rt-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debug-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debug-kvm-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debug-kvm-debuginfo-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-devel-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-kvm-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-kvm-debuginfo-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-trace-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-trace-kvm-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-trace-kvm-debuginfo-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm Red Hat Enterprise Linux Realtime (v. 7): Source: kernel-rt-3.10.0-1062.18.1.rt56.1044.el7.src.rpm noarch: kernel-rt-doc-3.10.0-1062.18.1.rt56.1044.el7.noarch.rpm x86_64: kernel-rt-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debug-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-devel-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-trace-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-1062.18.1.rt56.1044.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-2019-11487 https://access.redhat.com/security/cve/CVE-2019-17666 https://access.redhat.com/security/cve/CVE-2019-19338 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/solutions/tsx-asynchronousabort 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 iQIVAwUBXnD4xdzjgjWX9erEAQhGQA/7Bl9dSBZFolKwBiOeCh07iB2XZhHEP16j miWZFZX9sai5cDJgDCTCvDRb5ihNMi5ioRN7eLVa7a+HgC9/RwNvQ/1oS0w1iTui ZuuH2K9YBum5kIdLRLTeatgpkKCbKtpGihplD4mxvIznV2Iw//dR5T0ivNZtpEmB wAkO3qds7XV5y+lS4YVj0kBler8WXaqh22DUnvNG7+DpYg3qheKmI0bl8FY4J/L4 uNOXavD43SGh1ncXW/rrnp6hK4L8946491C7+X1UoYsmygZp0jWq9umoCEu2eJft nwTtwgleShdlsPUKPqsJN5ZARTp2cfLEAPZyeQ0Vjs84V09IEPl3vipgmtnASOcm sHQa9rPVG0fyiRYPS8OLaiHUAEP+Rz2DQvKeeI205yVsF0pGU6aRxrX8VpRt9Pfy wK/JAl7dKtj8YZ8fNajVIKLWZ7xItqq+b59LEYfeMDMVXJrABdM1Ni4phGmmer5W VDeXnDwnasQRIzPGEhV44jnjBAi3EAP3GL5M4ZGaRf8KO05kvsJwEb/AnnuqtGiI 9pXYjksJe9jhH2569ujiD24uSusvpqS/ZeAr2WnvMatFraL9HDSGKpjSKEZDhFQt uZ7x5tA/EUTruVD2RrMAqGPAngfQU0lkamDGVEejw6cKHWNYYegJ5LOY/8aRmTD6 AVxmSPn4QZE= =lICS -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce