A kernel-alt security, bug fix, and enhancement update has been released for Red Hat Enterprise Linux 7
=====================================================================
Red Hat Security Advisory
Synopsis: Important: kernel-alt security, bug fix, and enhancement update
Advisory ID: RHSA-2019:4154-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:4154
Issue date: 2019-12-10
CVE Names: CVE-2017-18203 CVE-2018-14625 CVE-2018-16658
CVE-2019-14821
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1. Summary:
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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, noarch, ppc64le, s390x
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, noarch, ppc64le
3. Description:
The kernel-alt packages provide the Linux kernel version 4.x.
Security Fix(es):
* Kernel: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821)
* kernel: Race condition in drivers/md/dm.c:dm_get_from_kobject() allows
local users to cause a denial of service (CVE-2017-18203)
* kernel: use-after-free Read in vhost_transport_send_pkt (CVE-2018-14625)
* kernel: Information leak in cdrom_ioctl_drive_status (CVE-2018-16658)
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):
* IPMI use after free issue seen on Marvell ThunderX2 (BZ#1732163)
* kernel: siginfo delivers SEGV_MAPERR instead of SEGV_ACCERR
[rhel-alt-7.6.z] (BZ#1757189)
Enhancement(s):
* [Marvell 7.7 z-stream BUG] CN99xx: DIMM label not extracted in EDAC hw
error log (BZ#1721427)
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/):
1550811 - CVE-2017-18203 kernel: Race condition in drivers/md/dm.c:dm_get_from_kobject() allows local users to cause a denial of service
1619846 - CVE-2018-14625 kernel: use-after-free Read in vhost_transport_send_pkt
1627731 - CVE-2018-16658 kernel: Information leak in cdrom_ioctl_drive_status
1746708 - CVE-2019-14821 Kernel: KVM: OOB memory access via mmio ring buffer
6. Package List:
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source:
kernel-alt-4.14.0-115.16.1.el7a.src.rpm
aarch64:
kernel-4.14.0-115.16.1.el7a.aarch64.rpm
kernel-debug-4.14.0-115.16.1.el7a.aarch64.rpm
kernel-debug-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm
kernel-debug-devel-4.14.0-115.16.1.el7a.aarch64.rpm
kernel-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm
kernel-debuginfo-common-aarch64-4.14.0-115.16.1.el7a.aarch64.rpm
kernel-devel-4.14.0-115.16.1.el7a.aarch64.rpm
kernel-headers-4.14.0-115.16.1.el7a.aarch64.rpm
kernel-tools-4.14.0-115.16.1.el7a.aarch64.rpm
kernel-tools-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm
kernel-tools-libs-4.14.0-115.16.1.el7a.aarch64.rpm
perf-4.14.0-115.16.1.el7a.aarch64.rpm
perf-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm
python-perf-4.14.0-115.16.1.el7a.aarch64.rpm
python-perf-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm
noarch:
kernel-abi-whitelists-4.14.0-115.16.1.el7a.noarch.rpm
kernel-doc-4.14.0-115.16.1.el7a.noarch.rpm
ppc64le:
kernel-4.14.0-115.16.1.el7a.ppc64le.rpm
kernel-bootwrapper-4.14.0-115.16.1.el7a.ppc64le.rpm
kernel-debug-4.14.0-115.16.1.el7a.ppc64le.rpm
kernel-debug-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm
kernel-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.14.0-115.16.1.el7a.ppc64le.rpm
kernel-devel-4.14.0-115.16.1.el7a.ppc64le.rpm
kernel-headers-4.14.0-115.16.1.el7a.ppc64le.rpm
kernel-tools-4.14.0-115.16.1.el7a.ppc64le.rpm
kernel-tools-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm
kernel-tools-libs-4.14.0-115.16.1.el7a.ppc64le.rpm
perf-4.14.0-115.16.1.el7a.ppc64le.rpm
perf-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm
python-perf-4.14.0-115.16.1.el7a.ppc64le.rpm
python-perf-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm
s390x:
kernel-4.14.0-115.16.1.el7a.s390x.rpm
kernel-debug-4.14.0-115.16.1.el7a.s390x.rpm
kernel-debug-debuginfo-4.14.0-115.16.1.el7a.s390x.rpm
kernel-debug-devel-4.14.0-115.16.1.el7a.s390x.rpm
kernel-debuginfo-4.14.0-115.16.1.el7a.s390x.rpm
kernel-debuginfo-common-s390x-4.14.0-115.16.1.el7a.s390x.rpm
kernel-devel-4.14.0-115.16.1.el7a.s390x.rpm
kernel-headers-4.14.0-115.16.1.el7a.s390x.rpm
kernel-kdump-4.14.0-115.16.1.el7a.s390x.rpm
kernel-kdump-debuginfo-4.14.0-115.16.1.el7a.s390x.rpm
kernel-kdump-devel-4.14.0-115.16.1.el7a.s390x.rpm
perf-4.14.0-115.16.1.el7a.s390x.rpm
perf-debuginfo-4.14.0-115.16.1.el7a.s390x.rpm
python-perf-4.14.0-115.16.1.el7a.s390x.rpm
python-perf-debuginfo-4.14.0-115.16.1.el7a.s390x.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):
aarch64:
kernel-debug-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm
kernel-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm
kernel-debuginfo-common-aarch64-4.14.0-115.16.1.el7a.aarch64.rpm
kernel-tools-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm
kernel-tools-libs-devel-4.14.0-115.16.1.el7a.aarch64.rpm
perf-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm
python-perf-debuginfo-4.14.0-115.16.1.el7a.aarch64.rpm
noarch:
kernel-doc-4.14.0-115.16.1.el7a.noarch.rpm
ppc64le:
kernel-debug-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm
kernel-debug-devel-4.14.0-115.16.1.el7a.ppc64le.rpm
kernel-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.14.0-115.16.1.el7a.ppc64le.rpm
kernel-tools-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm
kernel-tools-libs-devel-4.14.0-115.16.1.el7a.ppc64le.rpm
perf-debuginfo-4.14.0-115.16.1.el7a.ppc64le.rpm
python-perf-debuginfo-4.14.0-115.16.1.el7a.ppc64le.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-2017-18203
https://access.redhat.com/security/cve/CVE-2018-14625
https://access.redhat.com/security/cve/CVE-2018-16658
https://access.redhat.com/security/cve/CVE-2019-14821
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.
