Issued:
2019-10-29
Updated:
2019-10-29

RHSA-2019:3217 - Important: kernel-alt security and bug fix update

Synopsis

Important: kernel-alt security and bug fix 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: MIDI driver race condition leads to a double-free (CVE-2018-10902)

  • kernel: Use-after-free in __blk_drain_queue() function in block/blk-core.c (CVE-2018-20856)

  • kernel: brcmfmac heap buffer overflow in brcmf_wowl_nd_results (CVE-2019-9500)

  • hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB) (CVE-2019-9506)

  • kernel: a NULL pointer dereference in drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS (CVE-2019-11810)

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):

  • kernel modules pkey and paes_s390 are not available (BZ#1719192)

  • pkey: Indicate old mkvp only if old and curr. mkvp are different (BZ#1720621)

  • System dropped into Mon running softboots Exception: 501 (Hardware Interrupt) at c00000000000a814 replay_interrupt_return+0x0/0x4 (ipmi) (BZ#1737563)

  • kernel: jump label transformation performance (BZ#1739143)

  • Backport i40e MDD detection removal for PFs (BZ#1747618)

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-devel-4.14.0-115.14.1.el7a.s390x.rpm
  • kernel-tools-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
  • kernel-debuginfo-4.14.0-115.14.1.el7a.s390x.rpm
  • kernel-tools-libs-4.14.0-115.14.1.el7a.ppc64le.rpm
  • perf-debuginfo-4.14.0-115.14.1.el7a.s390x.rpm
  • python-perf-4.14.0-115.14.1.el7a.aarch64.rpm
  • python-perf-4.14.0-115.14.1.el7a.s390x.rpm
  • python-perf-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
  • kernel-headers-4.14.0-115.14.1.el7a.s390x.rpm
  • kernel-devel-4.14.0-115.14.1.el7a.aarch64.rpm
  • kernel-debug-4.14.0-115.14.1.el7a.aarch64.rpm
  • perf-4.14.0-115.14.1.el7a.s390x.rpm
  • kernel-debug-devel-4.14.0-115.14.1.el7a.s390x.rpm
  • kernel-debuginfo-common-ppc64le-4.14.0-115.14.1.el7a.ppc64le.rpm
  • python-perf-debuginfo-4.14.0-115.14.1.el7a.s390x.rpm
  • kernel-debug-devel-4.14.0-115.14.1.el7a.ppc64le.rpm
  • kernel-4.14.0-115.14.1.el7a.s390x.rpm
  • kernel-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
  • kernel-tools-4.14.0-115.14.1.el7a.ppc64le.rpm
  • kernel-4.14.0-115.14.1.el7a.aarch64.rpm
  • kernel-debug-debuginfo-4.14.0-115.14.1.el7a.s390x.rpm
  • perf-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
  • kernel-tools-4.14.0-115.14.1.el7a.aarch64.rpm
  • python-perf-4.14.0-115.14.1.el7a.ppc64le.rpm
  • python-perf-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
  • kernel-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
  • kernel-headers-4.14.0-115.14.1.el7a.ppc64le.rpm
  • kernel-kdump-devel-4.14.0-115.14.1.el7a.s390x.rpm
  • kernel-doc-4.14.0-115.14.1.el7a.noarch.rpm
  • kernel-kdump-4.14.0-115.14.1.el7a.s390x.rpm
  • kernel-debuginfo-common-s390x-4.14.0-115.14.1.el7a.s390x.rpm
  • kernel-bootwrapper-4.14.0-115.14.1.el7a.ppc64le.rpm
  • kernel-devel-4.14.0-115.14.1.el7a.ppc64le.rpm
  • perf-4.14.0-115.14.1.el7a.ppc64le.rpm
  • kernel-kdump-debuginfo-4.14.0-115.14.1.el7a.s390x.rpm
  • kernel-alt-4.14.0-115.14.1.el7a.src.rpm
  • kernel-debug-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
  • kernel-debug-4.14.0-115.14.1.el7a.s390x.rpm
  • kernel-abi-whitelists-4.14.0-115.14.1.el7a.noarch.rpm
  • kernel-debug-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
  • kernel-headers-4.14.0-115.14.1.el7a.aarch64.rpm
  • kernel-tools-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
  • kernel-debuginfo-common-aarch64-4.14.0-115.14.1.el7a.aarch64.rpm
  • kernel-debug-4.14.0-115.14.1.el7a.ppc64le.rpm
  • kernel-tools-libs-devel-4.14.0-115.14.1.el7a.aarch64.rpm
  • kernel-4.14.0-115.14.1.el7a.ppc64le.rpm
  • kernel-debug-devel-4.14.0-115.14.1.el7a.aarch64.rpm
  • kernel-tools-libs-devel-4.14.0-115.14.1.el7a.ppc64le.rpm
  • perf-4.14.0-115.14.1.el7a.aarch64.rpm
  • perf-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
  • kernel-tools-libs-4.14.0-115.14.1.el7a.aarch64.rpm

Fixes

CVEs

References

Additional information