-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: kernel-rt security and bug fix update Advisory ID: RHSA-2018:3666-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2018:3666 Issue date: 2018-11-26 CVE Names: CVE-2018-14633 CVE-2018-14646 ==================================================================== 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 Moderate. 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: stack-based buffer overflow in chap_server_compute_md5() in iscsi target (CVE-2018-14633) * kernel: NULL pointer dereference in af_netlink.c:__netlink_ns_capable() allows for denial of service (CVE-2018-14646) For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section. Red Hat would like to thank Vincent Pelletier for reporting CVE-2018-14633 and Christian Brauner for reporting CVE-2018-14646. Bug Fix(es): * The kernel-rt packages have been upgraded to the 3.10.0-957.1.2 source tree, which provides a number of bug fixes over the previous version. (BZ#1632386) 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/): 1626035 - CVE-2018-14633 kernel: stack-based buffer overflow in chap_server_compute_md5() in iscsi target 1630124 - CVE-2018-14646 kernel: NULL pointer dereference in af_netlink.c:__netlink_ns_capable() allows for denial of service 1632386 - kernel-rt: update to the RHEL7.6.z batch#1 source tree 6. Package List: Red Hat Enterprise Linux for Real Time for NFV (v. 7): Source: kernel-rt-3.10.0-957.1.3.rt56.913.el7.src.rpm noarch: kernel-rt-doc-3.10.0-957.1.3.rt56.913.el7.noarch.rpm x86_64: kernel-rt-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm kernel-rt-debug-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm kernel-rt-debug-kvm-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm kernel-rt-debug-kvm-debuginfo-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm kernel-rt-devel-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm kernel-rt-kvm-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm kernel-rt-kvm-debuginfo-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm kernel-rt-trace-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm kernel-rt-trace-kvm-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm kernel-rt-trace-kvm-debuginfo-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm Red Hat Enterprise Linux Realtime (v. 7): Source: kernel-rt-3.10.0-957.1.3.rt56.913.el7.src.rpm noarch: kernel-rt-doc-3.10.0-957.1.3.rt56.913.el7.noarch.rpm x86_64: kernel-rt-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm kernel-rt-debug-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm kernel-rt-devel-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm kernel-rt-trace-3.10.0-957.1.3.rt56.913.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-957.1.3.rt56.913.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-2018-14633 https://access.redhat.com/security/cve/CVE-2018-14646 https://access.redhat.com/security/updates/classification/#moderate 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 iQIVAwUBW/ycOtzjgjWX9erEAQhFhA//eFBscoOOleIOVkv/id6d8TOwC4CAVcYI +eQYH24jvKcHGJh+U0TTll7a8+lxoiCVllQSkteBBDFQwjvfp+RWy3m1qPoKTTc1 SEsWth0A2TiMLTNfizl5WIAW9BJzso2zpAESWycYsh9IW2prw1F7gy+cVMyiozBT tFJxOFLZ0YBZcRixEMQoP7n3rr/lUD01rcxu+z+T6uYqsB8d5c1GUghli6x+eIB8 7bZQuRmWheNfQau5puzk8Q14el4dmk41XdgPkLEHPJiDYs+O/8FMBhGhmuFKqXWX ZWoYXXpRiiuZBtVeCX+bvpuZhVJ7elPd8C3gIh1XliTxipIJvb1+xEjSWYWpZDli vJggZCRHDRLOwZbeH5KfEq+0AAEENOQ6TMvUXHOTU/iDqeFYlTJSiUKDiGoeLh2r RNsv3TB6Bp/becXoBimEY4LcvD1WodZZbDSQl3wRNPkVuzF64jOWxhzYRXnvYM38 KTd9Wen4BA1dqSdoHOBTP9MEgbBz6czpPmtRnE3l332HzmWOOFsesd2+DsbMYm8D xnbhtdA/oxewd56sViZLfxy6NviuJDGLAXZe71Kr0CCnnfSmNOAOqSUqiEscK/B1 lgWHZChkuwWPjDlF4c2rDhV7zlG1JXfFzKfC63Xf8jJCmcrzqtGgn5ITK1Spgpo6 ajBETG69FfE=Hufb -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce