Issued:
2020-04-16
Updated:
2020-04-16

RHSA-2020:1493 - 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: heap-based buffer overflow in mwifiex_process_country_ie() function in drivers/net/wireless/marvell/mwifiex/sta_ioctl.c (CVE-2019-14895)

  • kernel: heap overflow in marvell/mwifiex/tdls.c (CVE-2019-14901)

  • kernel: triggering AP to send IAPP location updates for stations before the required authentication process has completed can lead to DoS (CVE-2019-5108)

  • kernel: powerpc: local user can read vector registers of other users' processes via an interrupt (CVE-2019-15031)

  • kernel: out-of-bounds array access in __xfrm_policy_unlink (CVE-2019-15666)

  • kernel: a NULL pointer dereference in drivers/net/wireless/ath/ath10k/usb.c leads to a crash (CVE-2019-15099)

  • kernel: when cpu.cfs_quota_us is used allows attackers to cause a denial of service against non-cpu-bound applications (CVE-2019-19922)

  • kernel: Null pointer dereference in drop_sysctl_table() in fs/proc/proc_sysctl.c (CVE-2019-20054)

  • kernel: memory leak in mwifiex_tm_cmd in drivers/net/wireless/marvell/mwifiex/cfg80211.c (CVE-2019-20095)

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):

  • rhel-alt-76z bsd process accounting(acct(2)) does not work (BZ#1763618)

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-4.14.0-115.19.1.el7a.aarch64.rpm
  • kernel-debug-debuginfo-4.14.0-115.19.1.el7a.ppc64le.rpm
  • kernel-bootwrapper-4.14.0-115.19.1.el7a.ppc64le.rpm
  • kernel-tools-libs-4.14.0-115.19.1.el7a.ppc64le.rpm
  • kernel-debug-4.14.0-115.19.1.el7a.s390x.rpm
  • kernel-debug-debuginfo-4.14.0-115.19.1.el7a.s390x.rpm
  • kernel-debuginfo-4.14.0-115.19.1.el7a.s390x.rpm
  • kernel-debuginfo-common-ppc64le-4.14.0-115.19.1.el7a.ppc64le.rpm
  • kernel-4.14.0-115.19.1.el7a.aarch64.rpm
  • kernel-tools-4.14.0-115.19.1.el7a.ppc64le.rpm
  • perf-4.14.0-115.19.1.el7a.aarch64.rpm
  • perf-debuginfo-4.14.0-115.19.1.el7a.ppc64le.rpm
  • kernel-headers-4.14.0-115.19.1.el7a.aarch64.rpm
  • perf-4.14.0-115.19.1.el7a.s390x.rpm
  • perf-debuginfo-4.14.0-115.19.1.el7a.s390x.rpm
  • python-perf-4.14.0-115.19.1.el7a.s390x.rpm
  • python-perf-debuginfo-4.14.0-115.19.1.el7a.aarch64.rpm
  • kernel-kdump-devel-4.14.0-115.19.1.el7a.s390x.rpm
  • kernel-debuginfo-common-aarch64-4.14.0-115.19.1.el7a.aarch64.rpm
  • kernel-debug-debuginfo-4.14.0-115.19.1.el7a.aarch64.rpm
  • kernel-tools-libs-devel-4.14.0-115.19.1.el7a.ppc64le.rpm
  • kernel-debug-4.14.0-115.19.1.el7a.ppc64le.rpm
  • python-perf-debuginfo-4.14.0-115.19.1.el7a.s390x.rpm
  • perf-debuginfo-4.14.0-115.19.1.el7a.aarch64.rpm
  • python-perf-4.14.0-115.19.1.el7a.aarch64.rpm
  • kernel-debuginfo-4.14.0-115.19.1.el7a.aarch64.rpm
  • kernel-devel-4.14.0-115.19.1.el7a.s390x.rpm
  • kernel-tools-debuginfo-4.14.0-115.19.1.el7a.ppc64le.rpm
  • kernel-4.14.0-115.19.1.el7a.ppc64le.rpm
  • kernel-debug-devel-4.14.0-115.19.1.el7a.ppc64le.rpm
  • kernel-debuginfo-common-s390x-4.14.0-115.19.1.el7a.s390x.rpm
  • kernel-kdump-4.14.0-115.19.1.el7a.s390x.rpm
  • kernel-kdump-debuginfo-4.14.0-115.19.1.el7a.s390x.rpm
  • kernel-tools-4.14.0-115.19.1.el7a.aarch64.rpm
  • kernel-tools-debuginfo-4.14.0-115.19.1.el7a.aarch64.rpm
  • kernel-debuginfo-4.14.0-115.19.1.el7a.ppc64le.rpm
  • kernel-devel-4.14.0-115.19.1.el7a.ppc64le.rpm
  • kernel-devel-4.14.0-115.19.1.el7a.aarch64.rpm
  • perf-4.14.0-115.19.1.el7a.ppc64le.rpm
  • python-perf-4.14.0-115.19.1.el7a.ppc64le.rpm
  • kernel-tools-libs-4.14.0-115.19.1.el7a.aarch64.rpm
  • kernel-tools-libs-devel-4.14.0-115.19.1.el7a.aarch64.rpm
  • kernel-headers-4.14.0-115.19.1.el7a.s390x.rpm
  • kernel-4.14.0-115.19.1.el7a.s390x.rpm
  • kernel-abi-whitelists-4.14.0-115.19.1.el7a.noarch.rpm
  • kernel-debug-devel-4.14.0-115.19.1.el7a.aarch64.rpm
  • kernel-headers-4.14.0-115.19.1.el7a.ppc64le.rpm
  • kernel-doc-4.14.0-115.19.1.el7a.noarch.rpm
  • kernel-alt-4.14.0-115.19.1.el7a.src.rpm
  • kernel-debug-devel-4.14.0-115.19.1.el7a.s390x.rpm
  • python-perf-debuginfo-4.14.0-115.19.1.el7a.ppc64le.rpm

Fixes

CVEs

References

Additional information