Issued:
2020-11-10
Updated:
2020-11-10

RHSA-2020:5079 - Moderate: kernel-alt security and bug fix update

Synopsis

Moderate: kernel-alt security and bug fix update

Type/Severity

Security Advisory Moderate

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 Moderate. 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: soft-lockups in iov_iter_copy_from_user_atomic() could result in DoS (CVE-2020-25641)

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-7.6 - kernel "Oops: Kernel access of bad area" in crypto_unregister_instance while running LTP testcase crypto_user02 (BZ#1882230)

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-abi-whitelists-4.14.0-115.33.1.el7a.noarch.rpm
  • kernel-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm
  • kernel-bootwrapper-4.14.0-115.33.1.el7a.ppc64le.rpm
  • kernel-debug-debuginfo-4.14.0-115.33.1.el7a.s390x.rpm
  • kernel-kdump-4.14.0-115.33.1.el7a.s390x.rpm
  • perf-4.14.0-115.33.1.el7a.ppc64le.rpm
  • perf-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm
  • kernel-debug-devel-4.14.0-115.33.1.el7a.s390x.rpm
  • perf-debuginfo-4.14.0-115.33.1.el7a.s390x.rpm
  • kernel-debug-devel-4.14.0-115.33.1.el7a.ppc64le.rpm
  • python-perf-4.14.0-115.33.1.el7a.s390x.rpm
  • python-perf-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm
  • python-perf-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm
  • kernel-tools-libs-devel-4.14.0-115.33.1.el7a.ppc64le.rpm
  • kernel-4.14.0-115.33.1.el7a.s390x.rpm
  • kernel-debug-4.14.0-115.33.1.el7a.ppc64le.rpm
  • kernel-tools-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm
  • perf-4.14.0-115.33.1.el7a.s390x.rpm
  • kernel-4.14.0-115.33.1.el7a.ppc64le.rpm
  • python-perf-4.14.0-115.33.1.el7a.aarch64.rpm
  • kernel-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm
  • kernel-tools-libs-4.14.0-115.33.1.el7a.aarch64.rpm
  • kernel-4.14.0-115.33.1.el7a.aarch64.rpm
  • kernel-debug-4.14.0-115.33.1.el7a.s390x.rpm
  • kernel-debug-devel-4.14.0-115.33.1.el7a.aarch64.rpm
  • kernel-debuginfo-common-ppc64le-4.14.0-115.33.1.el7a.ppc64le.rpm
  • kernel-kdump-devel-4.14.0-115.33.1.el7a.s390x.rpm
  • kernel-debuginfo-common-s390x-4.14.0-115.33.1.el7a.s390x.rpm
  • perf-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm
  • kernel-alt-4.14.0-115.33.1.el7a.src.rpm
  • kernel-tools-4.14.0-115.33.1.el7a.aarch64.rpm
  • kernel-devel-4.14.0-115.33.1.el7a.aarch64.rpm
  • kernel-debug-4.14.0-115.33.1.el7a.aarch64.rpm
  • kernel-debug-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm
  • kernel-devel-4.14.0-115.33.1.el7a.ppc64le.rpm
  • kernel-debuginfo-4.14.0-115.33.1.el7a.s390x.rpm
  • kernel-headers-4.14.0-115.33.1.el7a.ppc64le.rpm
  • kernel-tools-4.14.0-115.33.1.el7a.ppc64le.rpm
  • perf-4.14.0-115.33.1.el7a.aarch64.rpm
  • kernel-headers-4.14.0-115.33.1.el7a.aarch64.rpm
  • python-perf-4.14.0-115.33.1.el7a.ppc64le.rpm
  • python-perf-debuginfo-4.14.0-115.33.1.el7a.s390x.rpm
  • kernel-debuginfo-common-aarch64-4.14.0-115.33.1.el7a.aarch64.rpm
  • kernel-doc-4.14.0-115.33.1.el7a.noarch.rpm
  • kernel-debug-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm
  • kernel-tools-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm
  • kernel-tools-libs-4.14.0-115.33.1.el7a.ppc64le.rpm
  • kernel-kdump-debuginfo-4.14.0-115.33.1.el7a.s390x.rpm
  • kernel-devel-4.14.0-115.33.1.el7a.s390x.rpm
  • kernel-tools-libs-devel-4.14.0-115.33.1.el7a.aarch64.rpm
  • kernel-headers-4.14.0-115.33.1.el7a.s390x.rpm

Fixes

CVEs

References

Additional information