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Red Hat Security Advisory 2018-1130-01

Red Hat Security Advisory 2018-1130-01
Posted Apr 18, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-1130-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2017-1000252, CVE-2017-1000410, CVE-2017-13166, CVE-2017-15265, CVE-2017-17449, CVE-2017-18017, CVE-2017-8824, CVE-2017-9725
SHA-256 | 80cf5578da963f9e90cfb1fcfa47601793dee42a13f2199c2740a9d499d01fac

Red Hat Security Advisory 2018-1130-01

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

Synopsis: Important: kernel security and bug fix update
Advisory ID: RHSA-2018:1130-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:1130
Issue date: 2018-04-17
CVE Names: CVE-2017-8824 CVE-2017-9725 CVE-2017-13166
CVE-2017-15265 CVE-2017-17449 CVE-2017-18017
CVE-2017-1000252 CVE-2017-1000410
=====================================================================

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) - noarch, ppc64, ppc64le, x86_64

3. Description:

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

Security Fix(es):

* kernel: Use-after-free vulnerability in DCCP socket (CVE-2017-8824,
Important)

* kernel: v4l2: disabled memory access protection mechanism allowing
privilege escalation (CVE-2017-13166, Important)

* kernel: Incorrect type conversion for size during dma allocation
(CVE-2017-9725, Moderate)

* kernel: Use-after-free in snd_seq_ioctl_create_port() (CVE-2017-15265,
Moderate)

* kernel: Missing namespace check in net/netlink/af_netlink.c allows for
network monitors to observe systemwide activity (CVE-2017-17449, Moderate)

* kernel: netfilter: use-after-free in tcpmss_mangle_packet function in
net/netfilter/xt_TCPMSS.c (CVE-2017-18017, Moderate)

* kernel: kvm: Reachable BUG() on out-of-bounds guest IRQ
(CVE-2017-1000252, Moderate)

* kernel: Stack information leak in the EFS element (CVE-2017-1000410,
Moderate)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Red Hat would like to thank Mohamed Ghannam for reporting CVE-2017-8824;
Jan H. SchAPnherr (Amazon) for reporting CVE-2017-1000252; and Armis Labs
for reporting CVE-2017-1000410.

Bug Fix(es):

These updated kernel packages include also numerous bug fixes. Space
precludes documenting all of these bug fixes in this advisory. See the bug
fix descriptions in the related Knowledge Article:
https://access.redhat.com/articles/3411331

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/):

1489088 - CVE-2017-9725 kernel: Incorrect type conversion for size during dma allocation
1490781 - CVE-2017-1000252 kernel: kvm: Reachable BUG() on out-of-bounds guest IRQ
1501878 - CVE-2017-15265 kernel: Use-after-free in snd_seq_ioctl_create_port()
1519160 - CVE-2017-1000410 kernel: Stack information leak in the EFS element
1519591 - CVE-2017-8824 kernel: Use-after-free vulnerability in DCCP socket
1525762 - CVE-2017-17449 kernel: Missing namespace check in net/netlink/af_netlink.c allows for network monitors to observe systemwide activity
1531135 - CVE-2017-18017 kernel: netfilter: use-after-free in tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c
1548412 - CVE-2017-13166 kernel: v4l2: disabled memory access protection mechanism allowing privilege escalation

6. Package List:

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

Source:
kernel-3.10.0-693.25.2.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-693.25.2.el7.noarch.rpm
kernel-doc-3.10.0-693.25.2.el7.noarch.rpm

x86_64:
kernel-3.10.0-693.25.2.el7.x86_64.rpm
kernel-debug-3.10.0-693.25.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-693.25.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-693.25.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.25.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.25.2.el7.x86_64.rpm
kernel-devel-3.10.0-693.25.2.el7.x86_64.rpm
kernel-headers-3.10.0-693.25.2.el7.x86_64.rpm
kernel-tools-3.10.0-693.25.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.25.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-693.25.2.el7.x86_64.rpm
perf-3.10.0-693.25.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.25.2.el7.x86_64.rpm
python-perf-3.10.0-693.25.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.25.2.el7.x86_64.rpm

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

x86_64:
kernel-debug-debuginfo-3.10.0-693.25.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.25.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.25.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.25.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-693.25.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.25.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.25.2.el7.x86_64.rpm

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

Source:
kernel-3.10.0-693.25.2.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-693.25.2.el7.noarch.rpm
kernel-doc-3.10.0-693.25.2.el7.noarch.rpm

ppc64:
kernel-3.10.0-693.25.2.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-693.25.2.el7.ppc64.rpm
kernel-debug-3.10.0-693.25.2.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-693.25.2.el7.ppc64.rpm
kernel-debug-devel-3.10.0-693.25.2.el7.ppc64.rpm
kernel-debuginfo-3.10.0-693.25.2.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-693.25.2.el7.ppc64.rpm
kernel-devel-3.10.0-693.25.2.el7.ppc64.rpm
kernel-headers-3.10.0-693.25.2.el7.ppc64.rpm
kernel-tools-3.10.0-693.25.2.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-693.25.2.el7.ppc64.rpm
kernel-tools-libs-3.10.0-693.25.2.el7.ppc64.rpm
perf-3.10.0-693.25.2.el7.ppc64.rpm
perf-debuginfo-3.10.0-693.25.2.el7.ppc64.rpm
python-perf-3.10.0-693.25.2.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-693.25.2.el7.ppc64.rpm

ppc64le:
kernel-3.10.0-693.25.2.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-693.25.2.el7.ppc64le.rpm
kernel-debug-3.10.0-693.25.2.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-693.25.2.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-693.25.2.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-693.25.2.el7.ppc64le.rpm
kernel-devel-3.10.0-693.25.2.el7.ppc64le.rpm
kernel-headers-3.10.0-693.25.2.el7.ppc64le.rpm
kernel-tools-3.10.0-693.25.2.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-693.25.2.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-693.25.2.el7.ppc64le.rpm
perf-3.10.0-693.25.2.el7.ppc64le.rpm
perf-debuginfo-3.10.0-693.25.2.el7.ppc64le.rpm
python-perf-3.10.0-693.25.2.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-693.25.2.el7.ppc64le.rpm

s390x:
kernel-3.10.0-693.25.2.el7.s390x.rpm
kernel-debug-3.10.0-693.25.2.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-693.25.2.el7.s390x.rpm
kernel-debug-devel-3.10.0-693.25.2.el7.s390x.rpm
kernel-debuginfo-3.10.0-693.25.2.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-693.25.2.el7.s390x.rpm
kernel-devel-3.10.0-693.25.2.el7.s390x.rpm
kernel-headers-3.10.0-693.25.2.el7.s390x.rpm
kernel-kdump-3.10.0-693.25.2.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-693.25.2.el7.s390x.rpm
kernel-kdump-devel-3.10.0-693.25.2.el7.s390x.rpm
perf-3.10.0-693.25.2.el7.s390x.rpm
perf-debuginfo-3.10.0-693.25.2.el7.s390x.rpm
python-perf-3.10.0-693.25.2.el7.s390x.rpm
python-perf-debuginfo-3.10.0-693.25.2.el7.s390x.rpm

x86_64:
kernel-3.10.0-693.25.2.el7.x86_64.rpm
kernel-debug-3.10.0-693.25.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-693.25.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-693.25.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.25.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.25.2.el7.x86_64.rpm
kernel-devel-3.10.0-693.25.2.el7.x86_64.rpm
kernel-headers-3.10.0-693.25.2.el7.x86_64.rpm
kernel-tools-3.10.0-693.25.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.25.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-693.25.2.el7.x86_64.rpm
perf-3.10.0-693.25.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.25.2.el7.x86_64.rpm
python-perf-3.10.0-693.25.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.25.2.el7.x86_64.rpm

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

noarch:
kernel-doc-3.10.0-693.25.2.el7.noarch.rpm

ppc64:
kernel-debug-debuginfo-3.10.0-693.25.2.el7.ppc64.rpm
kernel-debuginfo-3.10.0-693.25.2.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-693.25.2.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-693.25.2.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-693.25.2.el7.ppc64.rpm
perf-debuginfo-3.10.0-693.25.2.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-693.25.2.el7.ppc64.rpm

ppc64le:
kernel-debug-debuginfo-3.10.0-693.25.2.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-693.25.2.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-693.25.2.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-693.25.2.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-693.25.2.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-693.25.2.el7.ppc64le.rpm
perf-debuginfo-3.10.0-693.25.2.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-693.25.2.el7.ppc64le.rpm

x86_64:
kernel-debug-debuginfo-3.10.0-693.25.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.25.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.25.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.25.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-693.25.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.25.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.25.2.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-2017-8824
https://access.redhat.com/security/cve/CVE-2017-9725
https://access.redhat.com/security/cve/CVE-2017-13166
https://access.redhat.com/security/cve/CVE-2017-15265
https://access.redhat.com/security/cve/CVE-2017-17449
https://access.redhat.com/security/cve/CVE-2017-18017
https://access.redhat.com/security/cve/CVE-2017-1000252
https://access.redhat.com/security/cve/CVE-2017-1000410
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/articles/3411331

8. Contact:

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

Copyright 2018 Red Hat, Inc.
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