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

Synopsis:          Important: kernel-alt security update
Advisory ID:       RHSA-2020:4279-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:4279
Issue date:        2020-10-19
CVE Names:         CVE-2020-12351 CVE-2020-12352 CVE-2020-16166 
                   CVE-2020-25212 
=====================================================================

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: net: bluetooth: type confusion while processing AMP packets
(CVE-2020-12351)

* kernel: net: bluetooth: information leak when processing certain AMP
packets (CVE-2020-12352)

* kernel: information exposure in drivers/char/random.c and
kernel/time/timer.c (CVE-2020-16166)

* kernel: TOCTOU mismatch in the NFS client code (CVE-2020-25212)

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.

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/):

1865751 - CVE-2020-16166 kernel: information exposure in drivers/char/random.c and kernel/time/timer.c
1877575 - CVE-2020-25212 kernel: TOCTOU mismatch in the NFS client code
1886521 - CVE-2020-12351 kernel: net: bluetooth: type confusion while processing AMP packets
1886529 - CVE-2020-12352 kernel: net: bluetooth: information leak when processing certain AMP packets

6. Package List:

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):

Source:
kernel-alt-4.14.0-115.32.1.el7a.src.rpm

aarch64:
kernel-4.14.0-115.32.1.el7a.aarch64.rpm
kernel-debug-4.14.0-115.32.1.el7a.aarch64.rpm
kernel-debug-debuginfo-4.14.0-115.32.1.el7a.aarch64.rpm
kernel-debug-devel-4.14.0-115.32.1.el7a.aarch64.rpm
kernel-debuginfo-4.14.0-115.32.1.el7a.aarch64.rpm
kernel-debuginfo-common-aarch64-4.14.0-115.32.1.el7a.aarch64.rpm
kernel-devel-4.14.0-115.32.1.el7a.aarch64.rpm
kernel-headers-4.14.0-115.32.1.el7a.aarch64.rpm
kernel-tools-4.14.0-115.32.1.el7a.aarch64.rpm
kernel-tools-debuginfo-4.14.0-115.32.1.el7a.aarch64.rpm
kernel-tools-libs-4.14.0-115.32.1.el7a.aarch64.rpm
perf-4.14.0-115.32.1.el7a.aarch64.rpm
perf-debuginfo-4.14.0-115.32.1.el7a.aarch64.rpm
python-perf-4.14.0-115.32.1.el7a.aarch64.rpm
python-perf-debuginfo-4.14.0-115.32.1.el7a.aarch64.rpm

noarch:
kernel-abi-whitelists-4.14.0-115.32.1.el7a.noarch.rpm
kernel-doc-4.14.0-115.32.1.el7a.noarch.rpm

ppc64le:
kernel-4.14.0-115.32.1.el7a.ppc64le.rpm
kernel-bootwrapper-4.14.0-115.32.1.el7a.ppc64le.rpm
kernel-debug-4.14.0-115.32.1.el7a.ppc64le.rpm
kernel-debug-debuginfo-4.14.0-115.32.1.el7a.ppc64le.rpm
kernel-debuginfo-4.14.0-115.32.1.el7a.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.14.0-115.32.1.el7a.ppc64le.rpm
kernel-devel-4.14.0-115.32.1.el7a.ppc64le.rpm
kernel-headers-4.14.0-115.32.1.el7a.ppc64le.rpm
kernel-tools-4.14.0-115.32.1.el7a.ppc64le.rpm
kernel-tools-debuginfo-4.14.0-115.32.1.el7a.ppc64le.rpm
kernel-tools-libs-4.14.0-115.32.1.el7a.ppc64le.rpm
perf-4.14.0-115.32.1.el7a.ppc64le.rpm
perf-debuginfo-4.14.0-115.32.1.el7a.ppc64le.rpm
python-perf-4.14.0-115.32.1.el7a.ppc64le.rpm
python-perf-debuginfo-4.14.0-115.32.1.el7a.ppc64le.rpm

s390x:
kernel-4.14.0-115.32.1.el7a.s390x.rpm
kernel-debug-4.14.0-115.32.1.el7a.s390x.rpm
kernel-debug-debuginfo-4.14.0-115.32.1.el7a.s390x.rpm
kernel-debug-devel-4.14.0-115.32.1.el7a.s390x.rpm
kernel-debuginfo-4.14.0-115.32.1.el7a.s390x.rpm
kernel-debuginfo-common-s390x-4.14.0-115.32.1.el7a.s390x.rpm
kernel-devel-4.14.0-115.32.1.el7a.s390x.rpm
kernel-headers-4.14.0-115.32.1.el7a.s390x.rpm
kernel-kdump-4.14.0-115.32.1.el7a.s390x.rpm
kernel-kdump-debuginfo-4.14.0-115.32.1.el7a.s390x.rpm
kernel-kdump-devel-4.14.0-115.32.1.el7a.s390x.rpm
perf-4.14.0-115.32.1.el7a.s390x.rpm
perf-debuginfo-4.14.0-115.32.1.el7a.s390x.rpm
python-perf-4.14.0-115.32.1.el7a.s390x.rpm
python-perf-debuginfo-4.14.0-115.32.1.el7a.s390x.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):

aarch64:
kernel-debug-debuginfo-4.14.0-115.32.1.el7a.aarch64.rpm
kernel-debuginfo-4.14.0-115.32.1.el7a.aarch64.rpm
kernel-debuginfo-common-aarch64-4.14.0-115.32.1.el7a.aarch64.rpm
kernel-tools-debuginfo-4.14.0-115.32.1.el7a.aarch64.rpm
kernel-tools-libs-devel-4.14.0-115.32.1.el7a.aarch64.rpm
perf-debuginfo-4.14.0-115.32.1.el7a.aarch64.rpm
python-perf-debuginfo-4.14.0-115.32.1.el7a.aarch64.rpm

noarch:
kernel-doc-4.14.0-115.32.1.el7a.noarch.rpm

ppc64le:
kernel-debug-debuginfo-4.14.0-115.32.1.el7a.ppc64le.rpm
kernel-debug-devel-4.14.0-115.32.1.el7a.ppc64le.rpm
kernel-debuginfo-4.14.0-115.32.1.el7a.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.14.0-115.32.1.el7a.ppc64le.rpm
kernel-tools-debuginfo-4.14.0-115.32.1.el7a.ppc64le.rpm
kernel-tools-libs-devel-4.14.0-115.32.1.el7a.ppc64le.rpm
perf-debuginfo-4.14.0-115.32.1.el7a.ppc64le.rpm
python-perf-debuginfo-4.14.0-115.32.1.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-2020-12351
https://access.redhat.com/security/cve/CVE-2020-12352
https://access.redhat.com/security/cve/CVE-2020-16166
https://access.redhat.com/security/cve/CVE-2020-25212
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/BleedingTooth

8. Contact:

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

Copyright 2020 Red Hat, Inc.
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