Issued:
2019-12-10
Updated:
2019-12-10

RHSA-2019:4154 - Important: kernel-alt security, bug fix, and enhancement update

Synopsis

Important: kernel-alt security, bug fix, and enhancement update

Type/Severity

Security Advisory Important

Topic

An update for kernel-alt is now available for Red Hat Enterprise Linux 7.

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.

Description

The kernel-alt packages provide the Linux kernel version 4.x.

Security Fix(es):

  • Kernel: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821)

  • kernel: Race condition in drivers/md/dm.c:dm_get_from_kobject() allows local users to cause a denial of service (CVE-2017-18203)

  • kernel: use-after-free Read in vhost_transport_send_pkt (CVE-2018-14625)

  • kernel: Information leak in cdrom_ioctl_drive_status (CVE-2018-16658)

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):

  • IPMI use after free issue seen on Marvell ThunderX2 (BZ#1732163)

  • kernel: siginfo delivers SEGV_MAPERR instead of SEGV_ACCERR [rhel-alt-7.6.z] (BZ#1757189)

Enhancement(s):

  • [Marvell 7.7 z-stream BUG] CN99xx: DIMM label not extracted in EDAC hw error log (BZ#1721427)

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.

Affected Products

ProductVersionArch
Red Hat Enterprise Linux for Power 97ppc64le
Red Hat Enterprise Linux for IBM System z (Structure A)7s390x
Red Hat Enterprise Linux for ARM 647aarch64

Updated Packages

  • kernel-debug-4.14.0-115.16.1.el7a.ppc64le.rpm
  • kernel-tools-4.14.0-115.16.1.el7a.aarch64.rpm
  • kernel-bootwrapper-4.14.0-115.16.1.el7a.ppc64le.rpm
  • kernel-debuginfo-4.14.0-115.16.1.el7a.s390x.rpm
  • perf-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm
  • kernel-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm
  • kernel-debug-devel-4.14.0-115.16.1.el7a.s390x.rpm
  • kernel-headers-4.14.0-115.16.1.el7a.ppc64le.rpm
  • kernel-4.14.0-115.16.1.el7a.ppc64le.rpm
  • perf-4.14.0-115.16.1.el7a.ppc64le.rpm
  • kernel-4.14.0-115.16.1.el7a.aarch64.rpm
  • kernel-debuginfo-common-s390x-4.14.0-115.16.1.el7a.s390x.rpm
  • python-perf-4.14.0-115.16.1.el7a.aarch64.rpm
  • python-perf-4.14.0-115.16.1.el7a.ppc64le.rpm
  • kernel-debuginfo-common-ppc64le-4.14.0-115.16.1.el7a.ppc64le.rpm
  • kernel-debug-4.14.0-115.16.1.el7a.s390x.rpm
  • kernel-tools-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm
  • kernel-kdump-devel-4.14.0-115.16.1.el7a.s390x.rpm
  • perf-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm
  • kernel-tools-4.14.0-115.16.1.el7a.ppc64le.rpm
  • kernel-headers-4.14.0-115.16.1.el7a.aarch64.rpm
  • python-perf-4.14.0-115.16.1.el7a.s390x.rpm
  • kernel-debug-devel-4.14.0-115.16.1.el7a.aarch64.rpm
  • kernel-tools-libs-4.14.0-115.16.1.el7a.ppc64le.rpm
  • kernel-devel-4.14.0-115.16.1.el7a.ppc64le.rpm
  • kernel-kdump-4.14.0-115.16.1.el7a.s390x.rpm
  • python-perf-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm
  • kernel-debug-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm
  • kernel-devel-4.14.0-115.16.1.el7a.aarch64.rpm
  • kernel-tools-libs-4.14.0-115.16.1.el7a.aarch64.rpm
  • kernel-tools-libs-devel-4.14.0-115.16.1.el7a.ppc64le.rpm
  • kernel-debug-4.14.0-115.16.1.el7a.aarch64.rpm
  • kernel-kdump-debuginfo-4.14.0-115.16.1.el7a.s390x.rpm
  • python-perf-debuginfo-4.14.0-115.16.1.el7a.s390x.rpm
  • kernel-debug-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm
  • kernel-tools-libs-devel-4.14.0-115.16.1.el7a.aarch64.rpm
  • perf-4.14.0-115.16.1.el7a.s390x.rpm
  • kernel-4.14.0-115.16.1.el7a.s390x.rpm
  • kernel-debug-debuginfo-4.14.0-115.16.1.el7a.s390x.rpm
  • kernel-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm
  • kernel-headers-4.14.0-115.16.1.el7a.s390x.rpm
  • kernel-debug-devel-4.14.0-115.16.1.el7a.ppc64le.rpm
  • kernel-alt-4.14.0-115.16.1.el7a.src.rpm
  • perf-4.14.0-115.16.1.el7a.aarch64.rpm
  • kernel-tools-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm
  • kernel-debuginfo-common-aarch64-4.14.0-115.16.1.el7a.aarch64.rpm
  • kernel-doc-4.14.0-115.16.1.el7a.noarch.rpm
  • kernel-devel-4.14.0-115.16.1.el7a.s390x.rpm
  • kernel-abi-whitelists-4.14.0-115.16.1.el7a.noarch.rpm
  • perf-debuginfo-4.14.0-115.16.1.el7a.s390x.rpm
  • python-perf-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm

Fixes

CVEs

References

Additional information