-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security and bug fix update Advisory ID: RHSA-2019:2730-01 Product: Red Hat Enterprise MRG for RHEL-6 Advisory URL: https://access.redhat.com/errata/RHSA-2019:2730 Issue date: 2019-09-11 CVE Names: CVE-2018-9568 CVE-2018-13405 CVE-2018-16871 CVE-2018-16884 CVE-2019-1125 ==================================================================== 1. Summary: An update for kernel-rt is now available for Red Hat Enterprise MRG 2. 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 MRG Realtime for RHEL 6 Server v.2 - 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: Memory corruption due to incorrect socket cloning (CVE-2018-9568) * kernel: Missing check in fs/inode.c:inode_init_owner() does not clear SGID bit on non-directories for non-members (CVE-2018-13405) * kernel: nfs: use-after-free in svc_process_common() (CVE-2018-16884) * kernel: nfs: NULL pointer dereference due to an anomalized NFS message sequence (CVE-2018-16871) * kernel: hw: Spectre SWAPGS gadget vulnerability (CVE-2019-1125) 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): * Backport TCP follow-up for small buffers [mrg-r] (BZ#1732110) * update the MRG 2.5.z 3.10 realtime-kernel sources (BZ#1734469) 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/): 1599161 - CVE-2018-13405 kernel: Missing check in fs/inode.c:inode_init_owner() does not clear SGID bit on non-directories for non-members 1655162 - CVE-2018-16871 kernel: nfs: NULL pointer dereference due to an anomalized NFS message sequence 1655904 - CVE-2018-9568 kernel: Memory corruption due to incorrect socket cloning 1660375 - CVE-2018-16884 kernel: nfs: use-after-free in svc_process_common() 1724389 - CVE-2019-1125 kernel: hw: Spectre SWAPGS gadget vulnerability 1734469 - update the MRG 2.5.z 3.10 realtime-kernel sources 6. Package List: Red Hat MRG Realtime for RHEL 6 Server v.2: Source: kernel-rt-3.10.0-693.58.1.rt56.652.el6rt.src.rpm noarch: kernel-rt-doc-3.10.0-693.58.1.rt56.652.el6rt.noarch.rpm kernel-rt-firmware-3.10.0-693.58.1.rt56.652.el6rt.noarch.rpm x86_64: kernel-rt-3.10.0-693.58.1.rt56.652.el6rt.x86_64.rpm kernel-rt-debug-3.10.0-693.58.1.rt56.652.el6rt.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-693.58.1.rt56.652.el6rt.x86_64.rpm kernel-rt-debug-devel-3.10.0-693.58.1.rt56.652.el6rt.x86_64.rpm kernel-rt-debuginfo-3.10.0-693.58.1.rt56.652.el6rt.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-693.58.1.rt56.652.el6rt.x86_64.rpm kernel-rt-devel-3.10.0-693.58.1.rt56.652.el6rt.x86_64.rpm kernel-rt-trace-3.10.0-693.58.1.rt56.652.el6rt.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-693.58.1.rt56.652.el6rt.x86_64.rpm kernel-rt-trace-devel-3.10.0-693.58.1.rt56.652.el6rt.x86_64.rpm kernel-rt-vanilla-3.10.0-693.58.1.rt56.652.el6rt.x86_64.rpm kernel-rt-vanilla-debuginfo-3.10.0-693.58.1.rt56.652.el6rt.x86_64.rpm kernel-rt-vanilla-devel-3.10.0-693.58.1.rt56.652.el6rt.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-2018-9568 https://access.redhat.com/security/cve/CVE-2018-13405 https://access.redhat.com/security/cve/CVE-2018-16871 https://access.redhat.com/security/cve/CVE-2018-16884 https://access.redhat.com/security/cve/CVE-2019-1125 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/articles/4329821 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2019 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXXi57tzjgjWX9erEAQhi+Q//cUJOnRfmom5jIjqkVYDBIolk6xOmsVhj fYwcJeeLWfoBnrbafO9z4dWbgxpQVnmiDms3q/LbuWTkSwZ5c14e+B7pA7dbMmFe 7dh1d/7KVghy0x3K0o1/KgRE3/4Mif/u906bDkutPYLiSJQHYvbAc0u9sHHDMSGj HVXUI0+vy5hzmoqDKSlm0bSUCV+f9xkqUlcDOs1LgiakE9Il7nDkqlxngGRhEJOb axVBih3CRZTEYbn1pwu2Vay0Iwm6tX40EoG7WOSuEtbUNfIRQlIrPlHN6IBQVczM YAO87ZvTdzCzCOFMmCc4Yy+l5ZlF8rHX5VZF9Oz/4uWxsQQoS3OF3hOkVdSfB8dz EmDaWlVIyyqX2fu2Zd9RAKbwTByr4yLJypCEFTKAymJGOFHLWM4TCADQEjGGKam5 KpX/Krxf73mqDtCedYrp0xpEXMSRukqRj16oIODaVhlXanCfp/ta2HTPAj/NbesC p0zR5O01Ww9WV6dW8uQFDJn98m3H/F1jqksZU96pP2NLYlWK4yC/XKDLVm4AIjzt ZHqIaqgQBB7T+81WROnGxUy43tRVMidDpqi1N6RqtsuN1V2ljusEFpI1ji/LKsAB Q+LcvWk9UwGsKhndb3ovFLqxkDbqueMYwXZuGxSRJLkyiGFj3OWp5e+KkZCdKaaR vr31LK4mcGE=osit -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce