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Red Hat Security Advisory 2019-2696-01

Red Hat Security Advisory 2019-2696-01
Posted Sep 10, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2696-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include null pointer and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-13405, CVE-2018-16871, CVE-2018-16884, CVE-2018-9568, CVE-2019-1125
MD5 | 12bae21d208efe9e41f13378a3d676e1

Red Hat Security Advisory 2019-2696-01

Change Mirror Download
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====================================================================
Red Hat Security Advisory

Synopsis: Important: kernel security and bug fix update
Advisory ID: RHSA-2019:2696-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2696
Issue date: 2019-09-10
CVE Names: CVE-2018-9568 CVE-2018-13405 CVE-2018-16871
CVE-2018-16884 CVE-2019-1125
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.4
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. 7.4) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.4) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.4) - 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: Missing check in fs/inode.c:inode_init_owner() does not clear
SGID bit on non-directories for non-members (CVE-2018-13405)

* kernel: nfs: use-after-free in svc_process_common() (CVE-2018-16884)

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

* kernel: hw: Spectre SWAPGS gadget vulnerability (CVE-2019-1125)

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):

* fragmented packets timing out (BZ#1729411)

* kernel build: speed up debuginfo extraction (BZ#1731462)

* TCP packets are segmented when sent to the VM (TAP) (BZ#1732744)

* TCP packets are segmented when sent to the VLAN device when coming from
VXLAN dev. (BZ#1732809)

* skb head copy occurs when sending traffic over OVS managed VXLAN tunnel
(BZ#1733626)

* [mlx4] VXLAN over VLAN TCP segmentation (BZ#1734160)

* use "make -jN" for modules_install (BZ#1735081)

* shmem: consider shm_mnt as a long-term mount (BZ#1737376)

* [ESXi][RHEL7]use-after-free of scsi_cmnd on VMWare virtual guest with
vmw_pvscsi and ata_piix (BZ#1737377)

* Backport TCP follow-up for small buffers (BZ#1739127)

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/):

1599161 - CVE-2018-13405 kernel: Missing check in fs/inode.c:inode_init_owner() does not clear SGID bit on non-directories for non-members
1655162 - CVE-2018-16871 kernel: nfs: NULL pointer dereference due to an anomalized NFS message sequence
1655904 - CVE-2018-9568 kernel: Memory corruption due to incorrect socket cloning
1660375 - CVE-2018-16884 kernel: nfs: use-after-free in svc_process_common()
1724389 - CVE-2019-1125 kernel: hw: Spectre SWAPGS gadget vulnerability

6. Package List:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.4):

Source:
kernel-3.10.0-693.58.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-693.58.1.el7.noarch.rpm
kernel-doc-3.10.0-693.58.1.el7.noarch.rpm

x86_64:
kernel-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debug-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.58.1.el7.x86_64.rpm
kernel-devel-3.10.0-693.58.1.el7.x86_64.rpm
kernel-headers-3.10.0-693.58.1.el7.x86_64.rpm
kernel-tools-3.10.0-693.58.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-693.58.1.el7.x86_64.rpm
perf-3.10.0-693.58.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
python-perf-3.10.0-693.58.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4):

x86_64:
kernel-debug-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.58.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-693.58.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server EUS (v. 7.4):

Source:
kernel-3.10.0-693.58.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-693.58.1.el7.noarch.rpm
kernel-doc-3.10.0-693.58.1.el7.noarch.rpm

ppc64:
kernel-3.10.0-693.58.1.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-693.58.1.el7.ppc64.rpm
kernel-debug-3.10.0-693.58.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-693.58.1.el7.ppc64.rpm
kernel-debug-devel-3.10.0-693.58.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-693.58.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-693.58.1.el7.ppc64.rpm
kernel-devel-3.10.0-693.58.1.el7.ppc64.rpm
kernel-headers-3.10.0-693.58.1.el7.ppc64.rpm
kernel-tools-3.10.0-693.58.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-693.58.1.el7.ppc64.rpm
kernel-tools-libs-3.10.0-693.58.1.el7.ppc64.rpm
perf-3.10.0-693.58.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-693.58.1.el7.ppc64.rpm
python-perf-3.10.0-693.58.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-693.58.1.el7.ppc64.rpm

ppc64le:
kernel-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-debug-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-devel-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-headers-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-tools-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-693.58.1.el7.ppc64le.rpm
perf-3.10.0-693.58.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-693.58.1.el7.ppc64le.rpm
python-perf-3.10.0-693.58.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-693.58.1.el7.ppc64le.rpm

s390x:
kernel-3.10.0-693.58.1.el7.s390x.rpm
kernel-debug-3.10.0-693.58.1.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-693.58.1.el7.s390x.rpm
kernel-debug-devel-3.10.0-693.58.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-693.58.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-693.58.1.el7.s390x.rpm
kernel-devel-3.10.0-693.58.1.el7.s390x.rpm
kernel-headers-3.10.0-693.58.1.el7.s390x.rpm
kernel-kdump-3.10.0-693.58.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-693.58.1.el7.s390x.rpm
kernel-kdump-devel-3.10.0-693.58.1.el7.s390x.rpm
perf-3.10.0-693.58.1.el7.s390x.rpm
perf-debuginfo-3.10.0-693.58.1.el7.s390x.rpm
python-perf-3.10.0-693.58.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-693.58.1.el7.s390x.rpm

x86_64:
kernel-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debug-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.58.1.el7.x86_64.rpm
kernel-devel-3.10.0-693.58.1.el7.x86_64.rpm
kernel-headers-3.10.0-693.58.1.el7.x86_64.rpm
kernel-tools-3.10.0-693.58.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-693.58.1.el7.x86_64.rpm
perf-3.10.0-693.58.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
python-perf-3.10.0-693.58.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional EUS (v. 7.4):

ppc64:
kernel-debug-debuginfo-3.10.0-693.58.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-693.58.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-693.58.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-693.58.1.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-693.58.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-693.58.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-693.58.1.el7.ppc64.rpm

ppc64le:
kernel-debug-debuginfo-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-693.58.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-693.58.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-693.58.1.el7.ppc64le.rpm

x86_64:
kernel-debug-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.58.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-693.58.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.58.1.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-2018-9568
https://access.redhat.com/security/cve/CVE-2018-13405
https://access.redhat.com/security/cve/CVE-2018-16871
https://access.redhat.com/security/cve/CVE-2018-16884
https://access.redhat.com/security/cve/CVE-2019-1125
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/articles/4329821

8. Contact:

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

Copyright 2019 Red Hat, Inc.
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