An update for kernel is now available for Red Hat Enterprise Linux 8. 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

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====================================================================                   Red Hat Security Advisory

Synopsis:          Important: kernel security update
Advisory ID:       RHSA-2019:2827-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:2827
Issue date:        2019-09-20
CVE Names:         CVE-2019-14835 
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 8.

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 CodeReady Linux Builder (v. 8) - aarch64, ppc64le, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

3. Description:

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

Security Fix(es):

* A buffer overflow flaw was found in the way Linux kernel's vhost
functionality that translates virtqueue buffers to IOVs, logged the buffer
descriptors during migration. A privileged guest user able to pass
descriptors with invalid length to the host when migration is underway,
could use this flaw to increase their privileges on the host.
(CVE-2019-14835)

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/):

1750727 - CVE-2019-14835 kernel: vhost-net: guest to host kernel escape during migration

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
kernel-4.18.0-80.11.2.el8_0.src.rpm

aarch64:
bpftool-4.18.0-80.11.2.el8_0.aarch64.rpm
bpftool-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-core-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-cross-headers-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debug-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debug-core-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debug-devel-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debug-modules-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debug-modules-extra-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-devel-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-headers-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-modules-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-modules-extra-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-tools-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-tools-libs-4.18.0-80.11.2.el8_0.aarch64.rpm
perf-4.18.0-80.11.2.el8_0.aarch64.rpm
perf-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm
python3-perf-4.18.0-80.11.2.el8_0.aarch64.rpm
python3-perf-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm

noarch:
kernel-abi-whitelists-4.18.0-80.11.2.el8_0.noarch.rpm
kernel-doc-4.18.0-80.11.2.el8_0.noarch.rpm

ppc64le:
bpftool-4.18.0-80.11.2.el8_0.ppc64le.rpm
bpftool-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-core-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-cross-headers-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debug-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debug-core-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debug-devel-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debug-modules-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-devel-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-headers-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-modules-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-modules-extra-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-tools-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-tools-libs-4.18.0-80.11.2.el8_0.ppc64le.rpm
perf-4.18.0-80.11.2.el8_0.ppc64le.rpm
perf-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm
python3-perf-4.18.0-80.11.2.el8_0.ppc64le.rpm
python3-perf-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm

s390x:
bpftool-4.18.0-80.11.2.el8_0.s390x.rpm
bpftool-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-core-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-cross-headers-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-debug-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-debug-core-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-debug-devel-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-debug-modules-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-debug-modules-extra-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-devel-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-headers-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-modules-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-modules-extra-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-tools-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-zfcpdump-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-zfcpdump-core-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-zfcpdump-devel-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-zfcpdump-modules-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-80.11.2.el8_0.s390x.rpm
perf-4.18.0-80.11.2.el8_0.s390x.rpm
perf-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm
python3-perf-4.18.0-80.11.2.el8_0.s390x.rpm
python3-perf-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm

x86_64:
bpftool-4.18.0-80.11.2.el8_0.x86_64.rpm
bpftool-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-core-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-cross-headers-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debug-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debug-core-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debug-devel-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debug-modules-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debug-modules-extra-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-devel-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-headers-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-modules-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-modules-extra-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-tools-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-tools-libs-4.18.0-80.11.2.el8_0.x86_64.rpm
perf-4.18.0-80.11.2.el8_0.x86_64.rpm
perf-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm
python3-perf-4.18.0-80.11.2.el8_0.x86_64.rpm
python3-perf-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm

Red Hat CodeReady Linux Builder (v. 8):

aarch64:
bpftool-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-tools-libs-devel-4.18.0-80.11.2.el8_0.aarch64.rpm
perf-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm
python3-perf-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm

ppc64le:
bpftool-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-80.11.2.el8_0.ppc64le.rpm
perf-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm
python3-perf-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm

x86_64:
bpftool-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-tools-libs-devel-4.18.0-80.11.2.el8_0.x86_64.rpm
perf-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm
python3-perf-debuginfo-4.18.0-80.11.2.el8_0.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-2019-14835
https://access.redhat.com/security/updates/classification#important
https://access.redhat.com/security/vulnerabilities/kernel-vhost

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact

Copyright 2019 Red Hat, Inc.
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