-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security and bug fix update Advisory ID: RHSA-2018:0412-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2018:0412 Issue date: 2018-03-06 CVE Names: CVE-2017-7518 CVE-2017-12188 ===================================================================== 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: KVM: MMU potential stack buffer overrun during page walks (CVE-2017-12188, Important) * Kernel: KVM: debug exception via syscall emulation (CVE-2017-7518, Moderate) Bug Fix(es): * The kernel-rt packages have been upgraded to the 3.10.0-693.21.1 source tree, which provides a number of bug fixes over the previous version. (BZ#1537671) 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/): 1464473 - CVE-2017-7518 Kernel: KVM: debug exception via syscall emulation 1500380 - CVE-2017-12188 Kernel: KVM: MMU potential stack buffer overrun during page walks 1537671 - kernel-rt: update to the RHEL7.4.z batch#5 source tree 6. Package List: Red Hat Enterprise Linux for Real Time for NFV (v. 7): Source: kernel-rt-3.10.0-693.21.1.rt56.639.el7.src.rpm noarch: kernel-rt-doc-3.10.0-693.21.1.rt56.639.el7.noarch.rpm x86_64: kernel-rt-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-debug-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-debug-kvm-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-debug-kvm-debuginfo-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-devel-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-kvm-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-kvm-debuginfo-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-trace-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-trace-kvm-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-trace-kvm-debuginfo-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm Red Hat Enterprise Linux Realtime (v. 7): Source: kernel-rt-3.10.0-693.21.1.rt56.639.el7.src.rpm noarch: kernel-rt-doc-3.10.0-693.21.1.rt56.639.el7.noarch.rpm x86_64: kernel-rt-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-debug-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-devel-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-trace-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-693.21.1.rt56.639.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-693.21.1.rt56.639.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-2017-7518 https://access.redhat.com/security/cve/CVE-2017-12188 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 2018 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFanwu8XlSAg2UNWIIRAqH+AJ0aRY16P4nEFZvmOshKbt2+wLi6YACgtVT+ 128kQdnh6pCPZmXvL+ZwWAo= =pGIK -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce