-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2018:0512-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2018:0512 Issue date: 2018-03-13 ===================================================================== 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 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 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): * hw: cpu: speculative execution branch target injection (s390-only) (CVE-2017-5715, Important) * hw: cpu: speculative execution bounds-check bypass (s390 and powerpc) (CVE-2017-5753, Important) * hw: cpu: speculative execution permission faults handling (powerpc-only) (CVE-2017-5754) 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 Fixes: * If a fibre channel (FC) switch was powered down and then powered on again, the SCSI device driver stopped permanently the SCSI device's request queue. Consequently, the FC port login failed, leaving the port state as "Bypassed" instead of "Online", and users had to reboot the operating system. This update fixes the driver to avoid the permanent stop of the request queue. As a result, SCSI device now continues working as expected after power cycling the FC switch. (BZ#1519857) * Previously, on final close or unlink of a file, the find_get_pages() function in the memory management sometimes found no pages even if there were some pages left to save. Consequently, a kernel crash occurred when attempting to enter the unlink() function. This update fixes the find_get_pages() function in the memory management code to not return 0 too early. As a result, the kernel no longer crashes due to this behavior.(BZ#1527811) * Using IPsec connections under a heavy load could previously lead to a network performance degradation, especially when using the aesni-intel module. This update fixes the issue by making the cryptd queue length configurable so that it can be increased to prevent an overflow and packet drop. As a result, using IPsec under a heavy load no longer reduces network performance. (BZ#1527802) * Previously, a deadlock in the bnx2fc driver caused all adapters to block and the SCSI error handler to become unresponsive. As a result, data transferring through the adapter was sometimes blocked. This update fixes bnx2fc, and data transferring through the adapter is no longer blocked due to this behavior. (BZ#1523783) * If an NFSv3 client mounted a subdirectory of an exported file system, a directory entry to the mount hosting the export was incorrectly held even after clearing the cache. Consequently, attempts to unmount the subdirectory with the umount command failed with the EBUSY error. With this update, the underlying source code has been fixed, and the unmount operation now succeeds as expected in the described situation. (BZ#1535938) Users of kernel are advised to upgrade to these updated packages, which fix these bugs. The system must be rebooted for this update to take effect. 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/): 1519778 - CVE-2017-5753 hw: cpu: speculative execution bounds-check bypass 1519780 - CVE-2017-5715 hw: cpu: speculative execution branch target injection 1519781 - CVE-2017-5754 hw: cpu: speculative execution permission faults handling 6. Package List: Red Hat Enterprise Linux Desktop (v. 6): Source: kernel-2.6.32-696.23.1.el6.src.rpm i386: kernel-2.6.32-696.23.1.el6.i686.rpm kernel-debug-2.6.32-696.23.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-696.23.1.el6.i686.rpm kernel-debug-devel-2.6.32-696.23.1.el6.i686.rpm kernel-debuginfo-2.6.32-696.23.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-696.23.1.el6.i686.rpm kernel-devel-2.6.32-696.23.1.el6.i686.rpm kernel-headers-2.6.32-696.23.1.el6.i686.rpm perf-2.6.32-696.23.1.el6.i686.rpm perf-debuginfo-2.6.32-696.23.1.el6.i686.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.i686.rpm noarch: kernel-abi-whitelists-2.6.32-696.23.1.el6.noarch.rpm kernel-doc-2.6.32-696.23.1.el6.noarch.rpm kernel-firmware-2.6.32-696.23.1.el6.noarch.rpm x86_64: kernel-2.6.32-696.23.1.el6.x86_64.rpm kernel-debug-2.6.32-696.23.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-696.23.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-696.23.1.el6.i686.rpm kernel-debug-devel-2.6.32-696.23.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-696.23.1.el6.i686.rpm kernel-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm kernel-debuginfo-common-i686-2.6.32-696.23.1.el6.i686.rpm kernel-debuginfo-common-x86_64-2.6.32-696.23.1.el6.x86_64.rpm kernel-devel-2.6.32-696.23.1.el6.x86_64.rpm kernel-headers-2.6.32-696.23.1.el6.x86_64.rpm perf-2.6.32-696.23.1.el6.x86_64.rpm perf-debuginfo-2.6.32-696.23.1.el6.i686.rpm perf-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.i686.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm Red Hat Enterprise Linux Desktop Optional (v. 6): i386: kernel-debug-debuginfo-2.6.32-696.23.1.el6.i686.rpm kernel-debuginfo-2.6.32-696.23.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-696.23.1.el6.i686.rpm perf-debuginfo-2.6.32-696.23.1.el6.i686.rpm python-perf-2.6.32-696.23.1.el6.i686.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.i686.rpm x86_64: kernel-debug-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-696.23.1.el6.x86_64.rpm perf-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm python-perf-2.6.32-696.23.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm Red Hat Enterprise Linux HPC Node (v. 6): Source: kernel-2.6.32-696.23.1.el6.src.rpm noarch: kernel-abi-whitelists-2.6.32-696.23.1.el6.noarch.rpm kernel-doc-2.6.32-696.23.1.el6.noarch.rpm kernel-firmware-2.6.32-696.23.1.el6.noarch.rpm x86_64: kernel-2.6.32-696.23.1.el6.x86_64.rpm kernel-debug-2.6.32-696.23.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-696.23.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-696.23.1.el6.i686.rpm kernel-debug-devel-2.6.32-696.23.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-696.23.1.el6.i686.rpm kernel-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm kernel-debuginfo-common-i686-2.6.32-696.23.1.el6.i686.rpm kernel-debuginfo-common-x86_64-2.6.32-696.23.1.el6.x86_64.rpm kernel-devel-2.6.32-696.23.1.el6.x86_64.rpm kernel-headers-2.6.32-696.23.1.el6.x86_64.rpm perf-2.6.32-696.23.1.el6.x86_64.rpm perf-debuginfo-2.6.32-696.23.1.el6.i686.rpm perf-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.i686.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm Red Hat Enterprise Linux HPC Node Optional (v. 6): x86_64: kernel-debug-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-696.23.1.el6.x86_64.rpm perf-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm python-perf-2.6.32-696.23.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm Red Hat Enterprise Linux Server (v. 6): Source: kernel-2.6.32-696.23.1.el6.src.rpm i386: kernel-2.6.32-696.23.1.el6.i686.rpm kernel-debug-2.6.32-696.23.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-696.23.1.el6.i686.rpm kernel-debug-devel-2.6.32-696.23.1.el6.i686.rpm kernel-debuginfo-2.6.32-696.23.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-696.23.1.el6.i686.rpm kernel-devel-2.6.32-696.23.1.el6.i686.rpm kernel-headers-2.6.32-696.23.1.el6.i686.rpm perf-2.6.32-696.23.1.el6.i686.rpm perf-debuginfo-2.6.32-696.23.1.el6.i686.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.i686.rpm noarch: kernel-abi-whitelists-2.6.32-696.23.1.el6.noarch.rpm kernel-doc-2.6.32-696.23.1.el6.noarch.rpm kernel-firmware-2.6.32-696.23.1.el6.noarch.rpm ppc64: kernel-2.6.32-696.23.1.el6.ppc64.rpm kernel-bootwrapper-2.6.32-696.23.1.el6.ppc64.rpm kernel-debug-2.6.32-696.23.1.el6.ppc64.rpm kernel-debug-debuginfo-2.6.32-696.23.1.el6.ppc64.rpm kernel-debug-devel-2.6.32-696.23.1.el6.ppc64.rpm kernel-debuginfo-2.6.32-696.23.1.el6.ppc64.rpm kernel-debuginfo-common-ppc64-2.6.32-696.23.1.el6.ppc64.rpm kernel-devel-2.6.32-696.23.1.el6.ppc64.rpm kernel-headers-2.6.32-696.23.1.el6.ppc64.rpm perf-2.6.32-696.23.1.el6.ppc64.rpm perf-debuginfo-2.6.32-696.23.1.el6.ppc64.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.ppc64.rpm s390x: kernel-2.6.32-696.23.1.el6.s390x.rpm kernel-debug-2.6.32-696.23.1.el6.s390x.rpm kernel-debug-debuginfo-2.6.32-696.23.1.el6.s390x.rpm kernel-debug-devel-2.6.32-696.23.1.el6.s390x.rpm kernel-debuginfo-2.6.32-696.23.1.el6.s390x.rpm kernel-debuginfo-common-s390x-2.6.32-696.23.1.el6.s390x.rpm kernel-devel-2.6.32-696.23.1.el6.s390x.rpm kernel-headers-2.6.32-696.23.1.el6.s390x.rpm kernel-kdump-2.6.32-696.23.1.el6.s390x.rpm kernel-kdump-debuginfo-2.6.32-696.23.1.el6.s390x.rpm kernel-kdump-devel-2.6.32-696.23.1.el6.s390x.rpm perf-2.6.32-696.23.1.el6.s390x.rpm perf-debuginfo-2.6.32-696.23.1.el6.s390x.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.s390x.rpm x86_64: kernel-2.6.32-696.23.1.el6.x86_64.rpm kernel-debug-2.6.32-696.23.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-696.23.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-696.23.1.el6.i686.rpm kernel-debug-devel-2.6.32-696.23.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-696.23.1.el6.i686.rpm kernel-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm kernel-debuginfo-common-i686-2.6.32-696.23.1.el6.i686.rpm kernel-debuginfo-common-x86_64-2.6.32-696.23.1.el6.x86_64.rpm kernel-devel-2.6.32-696.23.1.el6.x86_64.rpm kernel-headers-2.6.32-696.23.1.el6.x86_64.rpm perf-2.6.32-696.23.1.el6.x86_64.rpm perf-debuginfo-2.6.32-696.23.1.el6.i686.rpm perf-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.i686.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 6): i386: kernel-debug-debuginfo-2.6.32-696.23.1.el6.i686.rpm kernel-debuginfo-2.6.32-696.23.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-696.23.1.el6.i686.rpm perf-debuginfo-2.6.32-696.23.1.el6.i686.rpm python-perf-2.6.32-696.23.1.el6.i686.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.i686.rpm ppc64: kernel-debug-debuginfo-2.6.32-696.23.1.el6.ppc64.rpm kernel-debuginfo-2.6.32-696.23.1.el6.ppc64.rpm kernel-debuginfo-common-ppc64-2.6.32-696.23.1.el6.ppc64.rpm perf-debuginfo-2.6.32-696.23.1.el6.ppc64.rpm python-perf-2.6.32-696.23.1.el6.ppc64.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.ppc64.rpm s390x: kernel-debug-debuginfo-2.6.32-696.23.1.el6.s390x.rpm kernel-debuginfo-2.6.32-696.23.1.el6.s390x.rpm kernel-debuginfo-common-s390x-2.6.32-696.23.1.el6.s390x.rpm kernel-kdump-debuginfo-2.6.32-696.23.1.el6.s390x.rpm perf-debuginfo-2.6.32-696.23.1.el6.s390x.rpm python-perf-2.6.32-696.23.1.el6.s390x.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.s390x.rpm x86_64: kernel-debug-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-696.23.1.el6.x86_64.rpm perf-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm python-perf-2.6.32-696.23.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: kernel-2.6.32-696.23.1.el6.src.rpm i386: kernel-2.6.32-696.23.1.el6.i686.rpm kernel-debug-2.6.32-696.23.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-696.23.1.el6.i686.rpm kernel-debug-devel-2.6.32-696.23.1.el6.i686.rpm kernel-debuginfo-2.6.32-696.23.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-696.23.1.el6.i686.rpm kernel-devel-2.6.32-696.23.1.el6.i686.rpm kernel-headers-2.6.32-696.23.1.el6.i686.rpm perf-2.6.32-696.23.1.el6.i686.rpm perf-debuginfo-2.6.32-696.23.1.el6.i686.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.i686.rpm noarch: kernel-abi-whitelists-2.6.32-696.23.1.el6.noarch.rpm kernel-doc-2.6.32-696.23.1.el6.noarch.rpm kernel-firmware-2.6.32-696.23.1.el6.noarch.rpm x86_64: kernel-2.6.32-696.23.1.el6.x86_64.rpm kernel-debug-2.6.32-696.23.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-696.23.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-696.23.1.el6.i686.rpm kernel-debug-devel-2.6.32-696.23.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-696.23.1.el6.i686.rpm kernel-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm kernel-debuginfo-common-i686-2.6.32-696.23.1.el6.i686.rpm kernel-debuginfo-common-x86_64-2.6.32-696.23.1.el6.x86_64.rpm kernel-devel-2.6.32-696.23.1.el6.x86_64.rpm kernel-headers-2.6.32-696.23.1.el6.x86_64.rpm perf-2.6.32-696.23.1.el6.x86_64.rpm perf-debuginfo-2.6.32-696.23.1.el6.i686.rpm perf-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.i686.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 6): i386: kernel-debug-debuginfo-2.6.32-696.23.1.el6.i686.rpm kernel-debuginfo-2.6.32-696.23.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-696.23.1.el6.i686.rpm perf-debuginfo-2.6.32-696.23.1.el6.i686.rpm python-perf-2.6.32-696.23.1.el6.i686.rpm python-perf-debuginfo-2.6.32-696.23.1.el6.i686.rpm x86_64: kernel-debug-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-696.23.1.el6.x86_64.rpm perf-debuginfo-2.6.32-696.23.1.el6.x86_64.rpm python-perf-2.6.32-696.23.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-696.23.1.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/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 iD8DBQFaqBfxXlSAg2UNWIIRAru1AJ9F4eyXUSDKyszAlSPTR6aHBwOgQACffCu2 vOsn6AUo6KsvU5xLhfTR4RE= =1VuY -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce