Issued:

2019-07-29

Updated:

2019-07-29

RHSA-2019:1873 - Important: kernel security, bug fix, and enhancement update

Synopsis

Important: kernel security, bug fix, and enhancement update

Type/Severity

Security Advisory Important

Topic

An update for kernel 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 packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: nfs: use-after-free in svc_process_common() (CVE-2018-16884)

• kernel: insufficient input validation in kernel mode driver in Intel i915 graphics leads to privilege escalation (CVE-2019-11085)

• kernel: nfs: NULL pointer dereference due to an anomalized NFS message sequence (CVE-2018-16871)

• kernel: use-after-free in drivers/char/ipmi/ipmi_si_intf.c, ipmi_si_mem_io.c, ipmi_si_port_io.c (CVE-2019-11811)

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) and Enhancement(s):

These updated kernel packages include also numerous bug fixes and add several enhancements. Space precludes documenting all of the bug fixes in this advisory. See the descriptions in the related Knowledge Article: https://access.redhat.com/articles/4309211

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

Updated Packages

• kernel-kdump-debuginfo-3.10.0-957.27.2.el7.s390x.rpm
• kernel-kdump-devel-3.10.0-957.27.2.el7.s390x.rpm
• kernel-debug-debuginfo-3.10.0-957.27.2.el7.ppc64.rpm
• kernel-devel-3.10.0-957.27.2.el7.x86_64.rpm
• kernel-doc-3.10.0-957.27.2.el7.noarch.rpm
• perf-3.10.0-957.27.2.el7.ppc64le.rpm
• kernel-tools-3.10.0-957.27.2.el7.x86_64.rpm
• python-perf-debuginfo-3.10.0-957.27.2.el7.x86_64.rpm
• kernel-debuginfo-common-ppc64-3.10.0-957.27.2.el7.ppc64.rpm
• kernel-debuginfo-3.10.0-957.27.2.el7.ppc64le.rpm
• perf-debuginfo-3.10.0-957.27.2.el7.ppc64le.rpm
• python-perf-3.10.0-957.27.2.el7.ppc64le.rpm
• python-perf-3.10.0-957.27.2.el7.x86_64.rpm
• kernel-3.10.0-957.27.2.el7.ppc64.rpm
• kernel-tools-debuginfo-3.10.0-957.27.2.el7.ppc64le.rpm
• kernel-debug-devel-3.10.0-957.27.2.el7.ppc64le.rpm
• kernel-3.10.0-957.27.2.el7.src.rpm
• kernel-devel-3.10.0-957.27.2.el7.ppc64le.rpm
• kernel-debug-3.10.0-957.27.2.el7.x86_64.rpm
• python-perf-debuginfo-3.10.0-957.27.2.el7.ppc64le.rpm
• kernel-devel-3.10.0-957.27.2.el7.ppc64.rpm
• perf-debuginfo-3.10.0-957.27.2.el7.s390x.rpm
• kernel-tools-libs-3.10.0-957.27.2.el7.ppc64le.rpm
• kernel-debug-debuginfo-3.10.0-957.27.2.el7.x86_64.rpm
• kernel-debug-devel-3.10.0-957.27.2.el7.ppc64.rpm
• kernel-debug-3.10.0-957.27.2.el7.ppc64.rpm
• kernel-tools-3.10.0-957.27.2.el7.ppc64le.rpm
• kernel-debuginfo-common-ppc64le-3.10.0-957.27.2.el7.ppc64le.rpm
• kernel-debug-debuginfo-3.10.0-957.27.2.el7.s390x.rpm
• kernel-headers-3.10.0-957.27.2.el7.ppc64le.rpm
• kernel-3.10.0-957.27.2.el7.ppc64le.rpm
• kernel-bootwrapper-3.10.0-957.27.2.el7.ppc64le.rpm
• kernel-tools-3.10.0-957.27.2.el7.ppc64.rpm
• kernel-tools-libs-devel-3.10.0-957.27.2.el7.x86_64.rpm
• perf-debuginfo-3.10.0-957.27.2.el7.x86_64.rpm
• kernel-3.10.0-957.27.2.el7.x86_64.rpm
• python-perf-3.10.0-957.27.2.el7.s390x.rpm
• kernel-tools-debuginfo-3.10.0-957.27.2.el7.x86_64.rpm
• kernel-debuginfo-3.10.0-957.27.2.el7.s390x.rpm
• kernel-kdump-3.10.0-957.27.2.el7.s390x.rpm
• kernel-headers-3.10.0-957.27.2.el7.ppc64.rpm
• kernel-tools-debuginfo-3.10.0-957.27.2.el7.ppc64.rpm
• kernel-debug-debuginfo-3.10.0-957.27.2.el7.ppc64le.rpm
• kernel-devel-3.10.0-957.27.2.el7.s390x.rpm
• kernel-tools-libs-devel-3.10.0-957.27.2.el7.ppc64.rpm
• bpftool-3.10.0-957.27.2.el7.x86_64.rpm
• python-perf-3.10.0-957.27.2.el7.ppc64.rpm
• kernel-bootwrapper-3.10.0-957.27.2.el7.ppc64.rpm
• kernel-debug-devel-3.10.0-957.27.2.el7.s390x.rpm
• kernel-abi-whitelists-3.10.0-957.27.2.el7.noarch.rpm
• kernel-tools-libs-3.10.0-957.27.2.el7.x86_64.rpm
• kernel-3.10.0-957.27.2.el7.s390x.rpm
• kernel-debug-devel-3.10.0-957.27.2.el7.x86_64.rpm
• perf-debuginfo-3.10.0-957.27.2.el7.ppc64.rpm
• kernel-debuginfo-common-s390x-3.10.0-957.27.2.el7.s390x.rpm
• python-perf-debuginfo-3.10.0-957.27.2.el7.s390x.rpm
• kernel-tools-libs-3.10.0-957.27.2.el7.ppc64.rpm
• kernel-tools-libs-devel-3.10.0-957.27.2.el7.ppc64le.rpm
• kernel-headers-3.10.0-957.27.2.el7.x86_64.rpm
• kernel-debug-3.10.0-957.27.2.el7.ppc64le.rpm
• perf-3.10.0-957.27.2.el7.x86_64.rpm
• kernel-headers-3.10.0-957.27.2.el7.s390x.rpm
• perf-3.10.0-957.27.2.el7.ppc64.rpm
• kernel-debug-3.10.0-957.27.2.el7.s390x.rpm
• perf-3.10.0-957.27.2.el7.s390x.rpm
• kernel-debuginfo-common-x86_64-3.10.0-957.27.2.el7.x86_64.rpm
• kernel-debuginfo-3.10.0-957.27.2.el7.ppc64.rpm
• python-perf-debuginfo-3.10.0-957.27.2.el7.ppc64.rpm
• kernel-debuginfo-3.10.0-957.27.2.el7.x86_64.rpm

Fixes

• This content is not included.BZ - 1655162
• This content is not included.BZ - 1660375
• This content is not included.BZ - 1709180
• This content is not included.BZ - 1710405

CVEs

• CVE-2018-16871
• CVE-2018-16884
• CVE-2019-11085
• CVE-2019-11811

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/articles/4309211

Additional information

• The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
• Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.