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Red Hat Security Advisory 2020-0740-01

Red Hat Security Advisory 2020-0740-01
Posted Mar 9, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-0740-01 - The kernel-alt packages provide the Linux kernel version 4.x. Issues addressed include buffer overflow, denial of service, information leakage, and null pointer vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-16871, CVE-2019-11884, CVE-2019-15030, CVE-2019-15916, CVE-2019-17666, CVE-2019-18805, CVE-2019-3459, CVE-2019-3460
SHA-256 | d31db65b3895e8334595c65d443915857d2b5811e3d45127f4da9bace5c812d5

Red Hat Security Advisory 2020-0740-01

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

Synopsis: Important: kernel-alt security and bug fix update
Advisory ID: RHSA-2020:0740-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0740
Issue date: 2020-03-09
CVE Names: CVE-2018-16871 CVE-2019-3459 CVE-2019-3460
CVE-2019-11884 CVE-2019-15030 CVE-2019-15916
CVE-2019-17666 CVE-2019-18805
====================================================================
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: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in
the Linux kernel lacks a certain upper-bound check, leading to a buffer
overflow (CVE-2019-17666)

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

* kernel: Heap address information leak while using L2CAP_GET_CONF_OPT
(CVE-2019-3459)

* kernel: Heap address information leak while using L2CAP_PARSE_CONF_RSP
(CVE-2019-3460)

* kernel: sensitive information disclosure from kernel stack memory via
HIDPCONNADD command (CVE-2019-11884)

* kernel: powerpc: local user can read vector registers of other users'
processes via a Facility Unavailable exception (CVE-2019-15030)

* kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c
leads to denial of service (CVE-2019-15916)

* kernel: integer overflow in tcp_ack_update_rtt in net/ipv4/tcp_input.c
(CVE-2019-18805)

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):

* lpfc: NVMe/FC target test machine rhel-storage-62 crashes on boot when
connected to FC switch (BZ#1623205)

* kernel BUG at fs/nfs_common/grace.c:107! (BZ#1637543)

* RHEL-Alt-7.6 - Need a fix for kernel bug cap_inode_getsecurity: use
d_find_any_alias() instead of d_find_alias() (BZ#1711934)

* Backport "fs/dcache.c: add cond_resched() in shrink_dentry_list()"
(32785c0539b7) [rhel-alt-7.6.z] (BZ#1758861)

* [RHEL-ALT-7.6.z][arm64] iommu/iova: Fix tracking of recently failed iova
address (BZ#1780500)

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/):

1655162 - CVE-2018-16871 kernel: nfs: NULL pointer dereference due to an anomalized NFS message sequence
1663176 - CVE-2019-3459 kernel: Heap address information leak while using L2CAP_GET_CONF_OPT
1663179 - CVE-2019-3460 kernel: Heap address information leak while using L2CAP_PARSE_CONF_RSP
1709837 - CVE-2019-11884 kernel: sensitive information disclosure from kernel stack memory via HIDPCONNADD command
1750813 - CVE-2019-15916 kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service
1759313 - CVE-2019-15030 kernel: powerpc: local user can read vector registers of other users' processes via a Facility Unavailable exception
1763690 - CVE-2019-17666 kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow
1771496 - CVE-2019-18805 kernel: integer overflow in tcp_ack_update_rtt in net/ipv4/tcp_input.c

6. Package List:

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

Source:
kernel-alt-4.14.0-115.18.1.el7a.src.rpm

aarch64:
kernel-4.14.0-115.18.1.el7a.aarch64.rpm
kernel-debug-4.14.0-115.18.1.el7a.aarch64.rpm
kernel-debug-debuginfo-4.14.0-115.18.1.el7a.aarch64.rpm
kernel-debug-devel-4.14.0-115.18.1.el7a.aarch64.rpm
kernel-debuginfo-4.14.0-115.18.1.el7a.aarch64.rpm
kernel-debuginfo-common-aarch64-4.14.0-115.18.1.el7a.aarch64.rpm
kernel-devel-4.14.0-115.18.1.el7a.aarch64.rpm
kernel-headers-4.14.0-115.18.1.el7a.aarch64.rpm
kernel-tools-4.14.0-115.18.1.el7a.aarch64.rpm
kernel-tools-debuginfo-4.14.0-115.18.1.el7a.aarch64.rpm
kernel-tools-libs-4.14.0-115.18.1.el7a.aarch64.rpm
perf-4.14.0-115.18.1.el7a.aarch64.rpm
perf-debuginfo-4.14.0-115.18.1.el7a.aarch64.rpm
python-perf-4.14.0-115.18.1.el7a.aarch64.rpm
python-perf-debuginfo-4.14.0-115.18.1.el7a.aarch64.rpm

noarch:
kernel-abi-whitelists-4.14.0-115.18.1.el7a.noarch.rpm
kernel-doc-4.14.0-115.18.1.el7a.noarch.rpm

ppc64le:
kernel-4.14.0-115.18.1.el7a.ppc64le.rpm
kernel-bootwrapper-4.14.0-115.18.1.el7a.ppc64le.rpm
kernel-debug-4.14.0-115.18.1.el7a.ppc64le.rpm
kernel-debug-debuginfo-4.14.0-115.18.1.el7a.ppc64le.rpm
kernel-debuginfo-4.14.0-115.18.1.el7a.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.14.0-115.18.1.el7a.ppc64le.rpm
kernel-devel-4.14.0-115.18.1.el7a.ppc64le.rpm
kernel-headers-4.14.0-115.18.1.el7a.ppc64le.rpm
kernel-tools-4.14.0-115.18.1.el7a.ppc64le.rpm
kernel-tools-debuginfo-4.14.0-115.18.1.el7a.ppc64le.rpm
kernel-tools-libs-4.14.0-115.18.1.el7a.ppc64le.rpm
perf-4.14.0-115.18.1.el7a.ppc64le.rpm
perf-debuginfo-4.14.0-115.18.1.el7a.ppc64le.rpm
python-perf-4.14.0-115.18.1.el7a.ppc64le.rpm
python-perf-debuginfo-4.14.0-115.18.1.el7a.ppc64le.rpm

s390x:
kernel-4.14.0-115.18.1.el7a.s390x.rpm
kernel-debug-4.14.0-115.18.1.el7a.s390x.rpm
kernel-debug-debuginfo-4.14.0-115.18.1.el7a.s390x.rpm
kernel-debug-devel-4.14.0-115.18.1.el7a.s390x.rpm
kernel-debuginfo-4.14.0-115.18.1.el7a.s390x.rpm
kernel-debuginfo-common-s390x-4.14.0-115.18.1.el7a.s390x.rpm
kernel-devel-4.14.0-115.18.1.el7a.s390x.rpm
kernel-headers-4.14.0-115.18.1.el7a.s390x.rpm
kernel-kdump-4.14.0-115.18.1.el7a.s390x.rpm
kernel-kdump-debuginfo-4.14.0-115.18.1.el7a.s390x.rpm
kernel-kdump-devel-4.14.0-115.18.1.el7a.s390x.rpm
perf-4.14.0-115.18.1.el7a.s390x.rpm
perf-debuginfo-4.14.0-115.18.1.el7a.s390x.rpm
python-perf-4.14.0-115.18.1.el7a.s390x.rpm
python-perf-debuginfo-4.14.0-115.18.1.el7a.s390x.rpm

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

aarch64:
kernel-debug-debuginfo-4.14.0-115.18.1.el7a.aarch64.rpm
kernel-debuginfo-4.14.0-115.18.1.el7a.aarch64.rpm
kernel-debuginfo-common-aarch64-4.14.0-115.18.1.el7a.aarch64.rpm
kernel-tools-debuginfo-4.14.0-115.18.1.el7a.aarch64.rpm
kernel-tools-libs-devel-4.14.0-115.18.1.el7a.aarch64.rpm
perf-debuginfo-4.14.0-115.18.1.el7a.aarch64.rpm
python-perf-debuginfo-4.14.0-115.18.1.el7a.aarch64.rpm

noarch:
kernel-doc-4.14.0-115.18.1.el7a.noarch.rpm

ppc64le:
kernel-debug-debuginfo-4.14.0-115.18.1.el7a.ppc64le.rpm
kernel-debug-devel-4.14.0-115.18.1.el7a.ppc64le.rpm
kernel-debuginfo-4.14.0-115.18.1.el7a.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.14.0-115.18.1.el7a.ppc64le.rpm
kernel-tools-debuginfo-4.14.0-115.18.1.el7a.ppc64le.rpm
kernel-tools-libs-devel-4.14.0-115.18.1.el7a.ppc64le.rpm
perf-debuginfo-4.14.0-115.18.1.el7a.ppc64le.rpm
python-perf-debuginfo-4.14.0-115.18.1.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-2018-16871
https://access.redhat.com/security/cve/CVE-2019-3459
https://access.redhat.com/security/cve/CVE-2019-3460
https://access.redhat.com/security/cve/CVE-2019-11884
https://access.redhat.com/security/cve/CVE-2019-15030
https://access.redhat.com/security/cve/CVE-2019-15916
https://access.redhat.com/security/cve/CVE-2019-17666
https://access.redhat.com/security/cve/CVE-2019-18805
https://access.redhat.com/security/updates/classification/#important

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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