Advisory Published
Advisory Published

RHSA-2019:2975: Important: kernel security and bug fix update

First published: Tue Oct 08 2019(Updated: )

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB) (CVE-2019-9506)</li> <li> kernel: hw: Spectre SWAPGS gadget vulnerability (CVE-2019-1125)</li> 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.<br>Bug Fix(es):<br><li> TCP packets are segmented when sent to the VLAN device when coming from VXLAN dev. (BZ#1732810)</li> <li> skb head copy occurs when sending traffic over OVS managed VXLAN tunnel (BZ#1733896)</li> <li> [mlx4] VXLAN over VLAN TCP segmentation (BZ#1734306)</li> <li> use "make -jN" for modules_install (BZ#1735082)</li> <li> Backport TCP follow-up for small buffers (BZ#1739128)</li> <li> [FJ7.6 Bug]: [REG] kernel: ipc: ipc_free should use kvfree (BZ#1740176)</li> <li> RHEL7.6 - powerpc/pseries: Disable CPU hotplug across migrations / powerpc/rtas: Fix a potential race between CPU-Offline &amp; Migration (LPM) (BZ#1745437)</li> <li> RHEL7.6 - powerpc/pseries: Fix unitialized timer reset on migration / powerpc/pseries/mobility: Extend start/stop topology update scope (LPM) (BZ#1745439)</li> <li> RHEL7.5 - ISST-LTE:PVM:Zeppelin :LPM: Failure logs and stack trace seen during LPM (POWER9/P9) (BZ#1745447)</li>

Affected SoftwareAffected VersionHow to fix
redhat/kernel<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-abi-whitelists<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-debug<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-debug-debuginfo<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-debug-devel<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-debuginfo<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-devel<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-doc<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-headers<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-tools<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-tools-debuginfo<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-tools-libs<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-tools-libs-devel<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/perf<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/perf-debuginfo<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/python-perf<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/python-perf-debuginfo<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-debug<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-debug-debuginfo<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-debug-devel<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-debuginfo<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-debuginfo-common-s390x<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-devel<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-headers<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-kdump<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-kdump-debuginfo<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-kdump-devel<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/perf<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/perf-debuginfo<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/python-perf<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/python-perf-debuginfo<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-bootwrapper<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-debuginfo-common-ppc64<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-tools<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-tools-debuginfo<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-tools-libs<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-tools-libs-devel<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-bootwrapper<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-debug<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-debug-debuginfo<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-debug-devel<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-debuginfo<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-debuginfo-common-ppc64le<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-devel<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-headers<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-tools<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-tools-debuginfo<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-tools-libs<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/kernel-tools-libs-devel<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/perf<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/perf-debuginfo<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/python-perf<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7
redhat/python-perf-debuginfo<3.10.0-862.43.1.el7
3.10.0-862.43.1.el7

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Frequently Asked Questions

  • What are the vulnerabilities addressed in RHSA-2019:2975?

    RHSA-2019:2975 addresses the Bluetooth KNOB attack (CVE-2019-9506) and the Spectre SWAPGS vulnerability (CVE-2019-1125).

  • What is the severity level of RHSA-2019:2975?

    The severity level of RHSA-2019:2975 is considered moderate due to the nature of the vulnerabilities involved.

  • How do I fix RHSA-2019:2975?

    To fix RHSA-2019:2975, update to the kernel version 3.10.0-862.43.1.el7 or later.

  • Which systems are affected by RHSA-2019:2975?

    RHSA-2019:2975 affects systems running Red Hat Enterprise Linux 7 with kernel version up to 3.10.0-862.43.1.el7.

  • Is it necessary to reboot after applying the fix for RHSA-2019:2975?

    Yes, a reboot is required to ensure the new kernel with the security fix for RHSA-2019:2975 is properly loaded.

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