A kernel security and bug fix update has been released for Red Hat Enterprise Linux 7.5
=====================================================================
Red Hat Security Advisory
Synopsis: Important: kernel security and bug fix update
Advisory ID: RHSA-2019:3967-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3967
Issue date: 2019-11-26
CVE Names: CVE-2017-18208 CVE-2018-9568 CVE-2018-10902
CVE-2018-18559 CVE-2019-3900 CVE-2019-5489
CVE-2019-6974 CVE-2019-7221
=====================================================================
1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 7.5
Extended Update Support.
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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.5) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.5) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.5) - ppc64, ppc64le, x86_64
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* kernel: Memory corruption due to incorrect socket cloning (CVE-2018-9568)
* kernel: MIDI driver race condition leads to a double-free
(CVE-2018-10902)
* kernel: Use-after-free due to race condition in AF_PACKET implementation
(CVE-2018-18559)
* Kernel: vhost_net: infinite loop while receiving packets leads to DoS
(CVE-2019-3900)
* Kernel: page cache side channel attacks (CVE-2019-5489)
* Kernel: KVM: potential use-after-free via kvm_ioctl_create_device()
(CVE-2019-6974)
* Kernel: KVM: nVMX: use-after-free of the hrtimer for emulation of the
preemption timer (CVE-2019-7221)
* kernel: Inifinite loop vulnerability in mm/madvise.c:madvise_willneed()
function allows local denial of service (CVE-2017-18208)
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):
* A cluster node has multiple hung "mv" processes that are accessing a gfs2
filesystem. (BZ#1716321)
* Growing unreclaimable slab memory (BZ#1741918)
* [LLNL 7.5 Bug] slab leak causing a crash when using kmem control group
(BZ#1748236)
* kernel build: parallelize redhat/mod-sign.sh (BZ#1755328)
* kernel build: speed up module compression step (BZ#1755337)
4. 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.
5. Bugs fixed ( https://bugzilla.redhat.com/):
1551565 - CVE-2017-18208 kernel: Inifinite loop vulnerability in mm/madvise.c:madvise_willneed() function allows local denial of service
1590720 - CVE-2018-10902 kernel: MIDI driver race condition leads to a double-free
1641878 - CVE-2018-18559 kernel: Use-after-free due to race condition in AF_PACKET implementation
1655904 - CVE-2018-9568 kernel: Memory corruption due to incorrect socket cloning
1664110 - CVE-2019-5489 Kernel: page cache side channel attacks
1671904 - CVE-2019-7221 Kernel: KVM: nVMX: use-after-free of the hrtimer for emulation of the preemption timer
1671913 - CVE-2019-6974 Kernel: KVM: potential use-after-free via kvm_ioctl_create_device()
1698757 - CVE-2019-3900 Kernel: vhost_net: infinite loop while receiving packets leads to DoS
6. Package List:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.5):
Source:
kernel-3.10.0-862.44.2.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-862.44.2.el7.noarch.rpm
kernel-doc-3.10.0-862.44.2.el7.noarch.rpm
x86_64:
kernel-3.10.0-862.44.2.el7.x86_64.rpm
kernel-debug-3.10.0-862.44.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-862.44.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-862.44.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.44.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.44.2.el7.x86_64.rpm
kernel-devel-3.10.0-862.44.2.el7.x86_64.rpm
kernel-headers-3.10.0-862.44.2.el7.x86_64.rpm
kernel-tools-3.10.0-862.44.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.44.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-862.44.2.el7.x86_64.rpm
perf-3.10.0-862.44.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.44.2.el7.x86_64.rpm
python-perf-3.10.0-862.44.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.44.2.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5):
x86_64:
kernel-debug-debuginfo-3.10.0-862.44.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.44.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.44.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.44.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-862.44.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.44.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.44.2.el7.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.5):
Source:
kernel-3.10.0-862.44.2.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-862.44.2.el7.noarch.rpm
kernel-doc-3.10.0-862.44.2.el7.noarch.rpm
ppc64:
kernel-3.10.0-862.44.2.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-862.44.2.el7.ppc64.rpm
kernel-debug-3.10.0-862.44.2.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-862.44.2.el7.ppc64.rpm
kernel-debug-devel-3.10.0-862.44.2.el7.ppc64.rpm
kernel-debuginfo-3.10.0-862.44.2.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-862.44.2.el7.ppc64.rpm
kernel-devel-3.10.0-862.44.2.el7.ppc64.rpm
kernel-headers-3.10.0-862.44.2.el7.ppc64.rpm
kernel-tools-3.10.0-862.44.2.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-862.44.2.el7.ppc64.rpm
kernel-tools-libs-3.10.0-862.44.2.el7.ppc64.rpm
perf-3.10.0-862.44.2.el7.ppc64.rpm
perf-debuginfo-3.10.0-862.44.2.el7.ppc64.rpm
python-perf-3.10.0-862.44.2.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-862.44.2.el7.ppc64.rpm
ppc64le:
kernel-3.10.0-862.44.2.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-862.44.2.el7.ppc64le.rpm
kernel-debug-3.10.0-862.44.2.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-862.44.2.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-862.44.2.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-862.44.2.el7.ppc64le.rpm
kernel-devel-3.10.0-862.44.2.el7.ppc64le.rpm
kernel-headers-3.10.0-862.44.2.el7.ppc64le.rpm
kernel-tools-3.10.0-862.44.2.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-862.44.2.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-862.44.2.el7.ppc64le.rpm
perf-3.10.0-862.44.2.el7.ppc64le.rpm
perf-debuginfo-3.10.0-862.44.2.el7.ppc64le.rpm
python-perf-3.10.0-862.44.2.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-862.44.2.el7.ppc64le.rpm
s390x:
kernel-3.10.0-862.44.2.el7.s390x.rpm
kernel-debug-3.10.0-862.44.2.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-862.44.2.el7.s390x.rpm
kernel-debug-devel-3.10.0-862.44.2.el7.s390x.rpm
kernel-debuginfo-3.10.0-862.44.2.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-862.44.2.el7.s390x.rpm
kernel-devel-3.10.0-862.44.2.el7.s390x.rpm
kernel-headers-3.10.0-862.44.2.el7.s390x.rpm
kernel-kdump-3.10.0-862.44.2.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-862.44.2.el7.s390x.rpm
kernel-kdump-devel-3.10.0-862.44.2.el7.s390x.rpm
perf-3.10.0-862.44.2.el7.s390x.rpm
perf-debuginfo-3.10.0-862.44.2.el7.s390x.rpm
python-perf-3.10.0-862.44.2.el7.s390x.rpm
python-perf-debuginfo-3.10.0-862.44.2.el7.s390x.rpm
x86_64:
kernel-3.10.0-862.44.2.el7.x86_64.rpm
kernel-debug-3.10.0-862.44.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-862.44.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-862.44.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.44.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.44.2.el7.x86_64.rpm
kernel-devel-3.10.0-862.44.2.el7.x86_64.rpm
kernel-headers-3.10.0-862.44.2.el7.x86_64.rpm
kernel-tools-3.10.0-862.44.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.44.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-862.44.2.el7.x86_64.rpm
perf-3.10.0-862.44.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.44.2.el7.x86_64.rpm
python-perf-3.10.0-862.44.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.44.2.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.5):
ppc64:
kernel-debug-debuginfo-3.10.0-862.44.2.el7.ppc64.rpm
kernel-debuginfo-3.10.0-862.44.2.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-862.44.2.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-862.44.2.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-862.44.2.el7.ppc64.rpm
perf-debuginfo-3.10.0-862.44.2.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-862.44.2.el7.ppc64.rpm
ppc64le:
kernel-debug-debuginfo-3.10.0-862.44.2.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-862.44.2.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-862.44.2.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-862.44.2.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-862.44.2.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-862.44.2.el7.ppc64le.rpm
perf-debuginfo-3.10.0-862.44.2.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-862.44.2.el7.ppc64le.rpm
x86_64:
kernel-debug-debuginfo-3.10.0-862.44.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.44.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.44.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.44.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-862.44.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.44.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.44.2.el7.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2017-18208
https://access.redhat.com/security/cve/CVE-2018-9568
https://access.redhat.com/security/cve/CVE-2018-10902
https://access.redhat.com/security/cve/CVE-2018-18559
https://access.redhat.com/security/cve/CVE-2019-3900
https://access.redhat.com/security/cve/CVE-2019-5489
https://access.redhat.com/security/cve/CVE-2019-6974
https://access.redhat.com/security/cve/CVE-2019-7221
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2019 Red Hat, Inc.
