-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: kernel security and bug fix update Advisory ID: RHSA-2017:1372-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2017:1372 Issue date: 2017-05-30 CVE Names: CVE-2017-6214 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 6. 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 Desktop (v. 6) - i386, noarch, x86_64 Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64 Red Hat Enterprise Linux HPC Node (v. 6) - noarch, x86_64 Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, noarch, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, noarch, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * A flaw was found in the Linux kernel's handling of packets with the URG flag. Applications using the splice() and tcp_splice_read() functionality can allow a remote attacker to force the kernel to enter a condition in which it can loop indefinitely. (CVE-2017-6214, Moderate) Bug Fix(es): * When executing certain Hadoop jobs, a kernel panic occasionally occurred on multiple nodes of a cluster. This update fixes the kernel scheduler, and the kernel panic no longer occurs under the described circumstances. (BZ#1436241) * Previously, memory leak of the struct cred data structure and related data structures occasionally occurred. Consequently, system performance was suboptimal with the symptoms of high I/O operations wait and small amount of free memory. This update fixes the reference counter of the struct slab cache to no longer cause imbalance between the calls to the get_cred() function and the put_cred() function. As a result, the memory leak no longer occurs under the described circumstances. (BZ#1443234) * Previously, the be2net driver could not detect the link status properly on IBM Power Systems. Consequently, the link status was always reported as disconnected. With this update, be2net has been fixed, and the Network Interface Cards (NICs) now report the link status correctly. (BZ#1442979) * Previously, the RFF_ID and RFT_ID commands in the lpfc driver were issued in an incorrect order. Consequently, users were not able to access Logical Unit Numbers (LUNs). With this update, lpfc has been fixed to issue RFT_ID before RFF_ID, which is the correct order. As a result, users can now access LUNs as expected. (BZ#1439636) * Previously, the kdump mechanism was trying to get the lock by the vmalloc_sync_all() function during a kernel panic. Consequently, a deadlock occurred, and the crashkernel did not boot. This update fixes the vmalloc_sync_all() function to avoid synchronizing the vmalloc area on the crashing CPU. As a result, the crashkernel parameter now boots as expected, and the kernel dump is collected successfully under the described circumstances. (BZ#1443499) 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/): 1426542 - CVE-2017-6214 kernel: ipv4/tcp: Infinite loop in tcp_splice_read() 6. Package List: Red Hat Enterprise Linux Desktop (v. 6): Source: kernel-2.6.32-696.3.1.el6.src.rpm i386: kernel-2.6.32-696.3.1.el6.i686.rpm kernel-debug-2.6.32-696.3.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-696.3.1.el6.i686.rpm kernel-debug-devel-2.6.32-696.3.1.el6.i686.rpm kernel-debuginfo-2.6.32-696.3.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-696.3.1.el6.i686.rpm kernel-devel-2.6.32-696.3.1.el6.i686.rpm kernel-headers-2.6.32-696.3.1.el6.i686.rpm perf-2.6.32-696.3.1.el6.i686.rpm perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm noarch: kernel-abi-whitelists-2.6.32-696.3.1.el6.noarch.rpm kernel-doc-2.6.32-696.3.1.el6.noarch.rpm kernel-firmware-2.6.32-696.3.1.el6.noarch.rpm x86_64: kernel-2.6.32-696.3.1.el6.x86_64.rpm kernel-debug-2.6.32-696.3.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-696.3.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-696.3.1.el6.i686.rpm kernel-debug-devel-2.6.32-696.3.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-696.3.1.el6.i686.rpm kernel-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm kernel-debuginfo-common-i686-2.6.32-696.3.1.el6.i686.rpm kernel-debuginfo-common-x86_64-2.6.32-696.3.1.el6.x86_64.rpm kernel-devel-2.6.32-696.3.1.el6.x86_64.rpm kernel-headers-2.6.32-696.3.1.el6.x86_64.rpm perf-2.6.32-696.3.1.el6.x86_64.rpm perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm Red Hat Enterprise Linux Desktop Optional (v. 6): i386: kernel-debug-debuginfo-2.6.32-696.3.1.el6.i686.rpm kernel-debuginfo-2.6.32-696.3.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-696.3.1.el6.i686.rpm perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm python-perf-2.6.32-696.3.1.el6.i686.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm x86_64: kernel-debug-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-696.3.1.el6.x86_64.rpm perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm python-perf-2.6.32-696.3.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm Red Hat Enterprise Linux HPC Node (v. 6): Source: kernel-2.6.32-696.3.1.el6.src.rpm noarch: kernel-abi-whitelists-2.6.32-696.3.1.el6.noarch.rpm kernel-doc-2.6.32-696.3.1.el6.noarch.rpm kernel-firmware-2.6.32-696.3.1.el6.noarch.rpm x86_64: kernel-2.6.32-696.3.1.el6.x86_64.rpm kernel-debug-2.6.32-696.3.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-696.3.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-696.3.1.el6.i686.rpm kernel-debug-devel-2.6.32-696.3.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-696.3.1.el6.i686.rpm kernel-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm kernel-debuginfo-common-i686-2.6.32-696.3.1.el6.i686.rpm kernel-debuginfo-common-x86_64-2.6.32-696.3.1.el6.x86_64.rpm kernel-devel-2.6.32-696.3.1.el6.x86_64.rpm kernel-headers-2.6.32-696.3.1.el6.x86_64.rpm perf-2.6.32-696.3.1.el6.x86_64.rpm perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm Red Hat Enterprise Linux HPC Node Optional (v. 6): x86_64: kernel-debug-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-696.3.1.el6.x86_64.rpm perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm python-perf-2.6.32-696.3.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm Red Hat Enterprise Linux Server (v. 6): Source: kernel-2.6.32-696.3.1.el6.src.rpm i386: kernel-2.6.32-696.3.1.el6.i686.rpm kernel-debug-2.6.32-696.3.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-696.3.1.el6.i686.rpm kernel-debug-devel-2.6.32-696.3.1.el6.i686.rpm kernel-debuginfo-2.6.32-696.3.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-696.3.1.el6.i686.rpm kernel-devel-2.6.32-696.3.1.el6.i686.rpm kernel-headers-2.6.32-696.3.1.el6.i686.rpm perf-2.6.32-696.3.1.el6.i686.rpm perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm noarch: kernel-abi-whitelists-2.6.32-696.3.1.el6.noarch.rpm kernel-doc-2.6.32-696.3.1.el6.noarch.rpm kernel-firmware-2.6.32-696.3.1.el6.noarch.rpm ppc64: kernel-2.6.32-696.3.1.el6.ppc64.rpm kernel-bootwrapper-2.6.32-696.3.1.el6.ppc64.rpm kernel-debug-2.6.32-696.3.1.el6.ppc64.rpm kernel-debug-debuginfo-2.6.32-696.3.1.el6.ppc64.rpm kernel-debug-devel-2.6.32-696.3.1.el6.ppc64.rpm kernel-debuginfo-2.6.32-696.3.1.el6.ppc64.rpm kernel-debuginfo-common-ppc64-2.6.32-696.3.1.el6.ppc64.rpm kernel-devel-2.6.32-696.3.1.el6.ppc64.rpm kernel-headers-2.6.32-696.3.1.el6.ppc64.rpm perf-2.6.32-696.3.1.el6.ppc64.rpm perf-debuginfo-2.6.32-696.3.1.el6.ppc64.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.ppc64.rpm s390x: kernel-2.6.32-696.3.1.el6.s390x.rpm kernel-debug-2.6.32-696.3.1.el6.s390x.rpm kernel-debug-debuginfo-2.6.32-696.3.1.el6.s390x.rpm kernel-debug-devel-2.6.32-696.3.1.el6.s390x.rpm kernel-debuginfo-2.6.32-696.3.1.el6.s390x.rpm kernel-debuginfo-common-s390x-2.6.32-696.3.1.el6.s390x.rpm kernel-devel-2.6.32-696.3.1.el6.s390x.rpm kernel-headers-2.6.32-696.3.1.el6.s390x.rpm kernel-kdump-2.6.32-696.3.1.el6.s390x.rpm kernel-kdump-debuginfo-2.6.32-696.3.1.el6.s390x.rpm kernel-kdump-devel-2.6.32-696.3.1.el6.s390x.rpm perf-2.6.32-696.3.1.el6.s390x.rpm perf-debuginfo-2.6.32-696.3.1.el6.s390x.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.s390x.rpm x86_64: kernel-2.6.32-696.3.1.el6.x86_64.rpm kernel-debug-2.6.32-696.3.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-696.3.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-696.3.1.el6.i686.rpm kernel-debug-devel-2.6.32-696.3.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-696.3.1.el6.i686.rpm kernel-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm kernel-debuginfo-common-i686-2.6.32-696.3.1.el6.i686.rpm kernel-debuginfo-common-x86_64-2.6.32-696.3.1.el6.x86_64.rpm kernel-devel-2.6.32-696.3.1.el6.x86_64.rpm kernel-headers-2.6.32-696.3.1.el6.x86_64.rpm perf-2.6.32-696.3.1.el6.x86_64.rpm perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 6): i386: kernel-debug-debuginfo-2.6.32-696.3.1.el6.i686.rpm kernel-debuginfo-2.6.32-696.3.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-696.3.1.el6.i686.rpm perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm python-perf-2.6.32-696.3.1.el6.i686.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm ppc64: kernel-debug-debuginfo-2.6.32-696.3.1.el6.ppc64.rpm kernel-debuginfo-2.6.32-696.3.1.el6.ppc64.rpm kernel-debuginfo-common-ppc64-2.6.32-696.3.1.el6.ppc64.rpm perf-debuginfo-2.6.32-696.3.1.el6.ppc64.rpm python-perf-2.6.32-696.3.1.el6.ppc64.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.ppc64.rpm s390x: kernel-debug-debuginfo-2.6.32-696.3.1.el6.s390x.rpm kernel-debuginfo-2.6.32-696.3.1.el6.s390x.rpm kernel-debuginfo-common-s390x-2.6.32-696.3.1.el6.s390x.rpm kernel-kdump-debuginfo-2.6.32-696.3.1.el6.s390x.rpm perf-debuginfo-2.6.32-696.3.1.el6.s390x.rpm python-perf-2.6.32-696.3.1.el6.s390x.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.s390x.rpm x86_64: kernel-debug-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-696.3.1.el6.x86_64.rpm perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm python-perf-2.6.32-696.3.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: kernel-2.6.32-696.3.1.el6.src.rpm i386: kernel-2.6.32-696.3.1.el6.i686.rpm kernel-debug-2.6.32-696.3.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-696.3.1.el6.i686.rpm kernel-debug-devel-2.6.32-696.3.1.el6.i686.rpm kernel-debuginfo-2.6.32-696.3.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-696.3.1.el6.i686.rpm kernel-devel-2.6.32-696.3.1.el6.i686.rpm kernel-headers-2.6.32-696.3.1.el6.i686.rpm perf-2.6.32-696.3.1.el6.i686.rpm perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm noarch: kernel-abi-whitelists-2.6.32-696.3.1.el6.noarch.rpm kernel-doc-2.6.32-696.3.1.el6.noarch.rpm kernel-firmware-2.6.32-696.3.1.el6.noarch.rpm x86_64: kernel-2.6.32-696.3.1.el6.x86_64.rpm kernel-debug-2.6.32-696.3.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-696.3.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-696.3.1.el6.i686.rpm kernel-debug-devel-2.6.32-696.3.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-696.3.1.el6.i686.rpm kernel-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm kernel-debuginfo-common-i686-2.6.32-696.3.1.el6.i686.rpm kernel-debuginfo-common-x86_64-2.6.32-696.3.1.el6.x86_64.rpm kernel-devel-2.6.32-696.3.1.el6.x86_64.rpm kernel-headers-2.6.32-696.3.1.el6.x86_64.rpm perf-2.6.32-696.3.1.el6.x86_64.rpm perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 6): i386: kernel-debug-debuginfo-2.6.32-696.3.1.el6.i686.rpm kernel-debuginfo-2.6.32-696.3.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-696.3.1.el6.i686.rpm perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm python-perf-2.6.32-696.3.1.el6.i686.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm x86_64: kernel-debug-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-696.3.1.el6.x86_64.rpm perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm python-perf-2.6.32-696.3.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-696.3.1.el6.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-2017-6214 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 2017 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFZLow+XlSAg2UNWIIRApyyAKCoh5bNIJK+Es+ywQ11wUkXro+/pwCdEsEe BSnWWtdRCWruz3ZG52Z5fGM= =IiIt -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce