Red Hat Security Advisory 2019-0512-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a null pointer vulnerability.
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Red Hat Security Advisory
Synopsis: Important: kernel security, bug fix, and enhancement update
Advisory ID: RHSA-2019:0512-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:0512
Issue date: 2019-03-13
CVE Names: CVE-2018-9568 CVE-2018-17972 CVE-2018-18445
====================================================================
1. Summary:
An update for kernel 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 Client (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - 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: Unprivileged users able to inspect kernel stacks of arbitrary
tasks (CVE-2018-17972)
* kernel: Faulty computation of numberic bounds in the BPF verifier
(CVE-2018-18445)
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) and Enhancement(s):
* kernel fuse invalidates cached attributes during reads (BZ#1657921)
* [NetApp-FC-NVMe] RHEL7.6: nvme reset gets hung indefinitely (BZ#1659937)
* Memory reclaim deadlock calling __sock_create() after
memalloc_noio_save() (BZ#1660392)
* hardened usercopy is causing crash (BZ#1660815)
* Backport: xfrm: policy: init locks early (BZ#1660887)
* AWS m5 instance type loses NVMe mounted volumes [was: Unable to Mount
StatefulSet PV in AWS EBS] (BZ#1661947)
* RHEL 7.6 running on a VirtualBox guest with a GUI has a mouse problem
(BZ#1662848)
* Kernel bug report in cgroups on heavily contested 3.10 node (BZ#1663114)
* [PCIe] SHPC probe crash on Non-ACPI/Non-SHPC ports (BZ#1663241)
* [Cavium 7.7 Feat] qla2xxx: Update to latest upstream. (BZ#1663508)
* Regression in lpfc and the CNE1000 (BE2 FCoE) adapters that no longer
initialize (BZ#1664067)
* [csiostor] call trace after command: modprobe csiostor (BZ#1665370)
* libceph: fall back to sendmsg for slab pages (BZ#1665814)
* Deadlock between stop_one_cpu_nowait() and stop_two_cpus() (BZ#1667328)
* Soft lockups occur when the sd driver passes a device size of 1 sector to
string_get_size() (BZ#1667989)
* [RHEL7.7] BUG: unable to handle kernel paging request at ffffffffffffffff
(BZ#1668208)
* RHEL7.6 - powerpc/pseries: Disable CPU hotplug across migrations /
powerpc/rtas: Fix a potential race between CPU-Offline & Migration (LPM)
(BZ#1669044)
* blk-mq: fix corruption with direct issue (BZ#1670511)
* [RHEL7][patch] iscsi driver can block reboot/shutdown (BZ#1670680)
* [DELL EMC 7.6 BUG] Unable to create-namespace over Dell NVDIMM-N
(BZ#1671743)
* efi_bgrt_init fails to ioremap error during boot (BZ#1671745)
* Unable to mount a share on kernel- 3.10.0-957.el7. The share can be
mounted on kernel-3.10.0-862.14.4.el7 (BZ#1672448)
* System crash with RIP nfs_readpage_async+0x43 -- BUG: unable to handle
kernel NULL pointer dereference (BZ#1672510)
Users of kernel are advised to upgrade to these updated packages, which fix
these bugs and add this enhancement.
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/):
1636349 - CVE-2018-17972 kernel: Unprivileged users able to inspect kernel stacks of arbitrary tasks
1640596 - CVE-2018-18445 kernel: Faulty computation of numberic bounds in the BPF verifier
1655904 - CVE-2018-9568 kernel: Memory corruption due to incorrect socket cloning
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
kernel-3.10.0-957.10.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-957.10.1.el7.noarch.rpm
kernel-doc-3.10.0-957.10.1.el7.noarch.rpm
x86_64:
bpftool-3.10.0-957.10.1.el7.x86_64.rpm
kernel-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debug-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.10.1.el7.x86_64.rpm
kernel-devel-3.10.0-957.10.1.el7.x86_64.rpm
kernel-headers-3.10.0-957.10.1.el7.x86_64.rpm
kernel-tools-3.10.0-957.10.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.10.1.el7.x86_64.rpm
perf-3.10.0-957.10.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
python-perf-3.10.0-957.10.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
kernel-debug-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.10.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.10.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
kernel-3.10.0-957.10.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-957.10.1.el7.noarch.rpm
kernel-doc-3.10.0-957.10.1.el7.noarch.rpm
x86_64:
bpftool-3.10.0-957.10.1.el7.x86_64.rpm
kernel-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debug-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.10.1.el7.x86_64.rpm
kernel-devel-3.10.0-957.10.1.el7.x86_64.rpm
kernel-headers-3.10.0-957.10.1.el7.x86_64.rpm
kernel-tools-3.10.0-957.10.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.10.1.el7.x86_64.rpm
perf-3.10.0-957.10.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
python-perf-3.10.0-957.10.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64:
kernel-debug-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.10.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.10.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
kernel-3.10.0-957.10.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-957.10.1.el7.noarch.rpm
kernel-doc-3.10.0-957.10.1.el7.noarch.rpm
ppc64:
kernel-3.10.0-957.10.1.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-957.10.1.el7.ppc64.rpm
kernel-debug-3.10.0-957.10.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-957.10.1.el7.ppc64.rpm
kernel-debug-devel-3.10.0-957.10.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-957.10.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-957.10.1.el7.ppc64.rpm
kernel-devel-3.10.0-957.10.1.el7.ppc64.rpm
kernel-headers-3.10.0-957.10.1.el7.ppc64.rpm
kernel-tools-3.10.0-957.10.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-957.10.1.el7.ppc64.rpm
kernel-tools-libs-3.10.0-957.10.1.el7.ppc64.rpm
perf-3.10.0-957.10.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-957.10.1.el7.ppc64.rpm
python-perf-3.10.0-957.10.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-957.10.1.el7.ppc64.rpm
ppc64le:
kernel-3.10.0-957.10.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-957.10.1.el7.ppc64le.rpm
kernel-debug-3.10.0-957.10.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-957.10.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-957.10.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-957.10.1.el7.ppc64le.rpm
kernel-devel-3.10.0-957.10.1.el7.ppc64le.rpm
kernel-headers-3.10.0-957.10.1.el7.ppc64le.rpm
kernel-tools-3.10.0-957.10.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-957.10.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-957.10.1.el7.ppc64le.rpm
perf-3.10.0-957.10.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-957.10.1.el7.ppc64le.rpm
python-perf-3.10.0-957.10.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-957.10.1.el7.ppc64le.rpm
s390x:
kernel-3.10.0-957.10.1.el7.s390x.rpm
kernel-debug-3.10.0-957.10.1.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-957.10.1.el7.s390x.rpm
kernel-debug-devel-3.10.0-957.10.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-957.10.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-957.10.1.el7.s390x.rpm
kernel-devel-3.10.0-957.10.1.el7.s390x.rpm
kernel-headers-3.10.0-957.10.1.el7.s390x.rpm
kernel-kdump-3.10.0-957.10.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-957.10.1.el7.s390x.rpm
kernel-kdump-devel-3.10.0-957.10.1.el7.s390x.rpm
perf-3.10.0-957.10.1.el7.s390x.rpm
perf-debuginfo-3.10.0-957.10.1.el7.s390x.rpm
python-perf-3.10.0-957.10.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-957.10.1.el7.s390x.rpm
x86_64:
bpftool-3.10.0-957.10.1.el7.x86_64.rpm
kernel-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debug-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.10.1.el7.x86_64.rpm
kernel-devel-3.10.0-957.10.1.el7.x86_64.rpm
kernel-headers-3.10.0-957.10.1.el7.x86_64.rpm
kernel-tools-3.10.0-957.10.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.10.1.el7.x86_64.rpm
perf-3.10.0-957.10.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
python-perf-3.10.0-957.10.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64:
kernel-debug-debuginfo-3.10.0-957.10.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-957.10.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-957.10.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-957.10.1.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-957.10.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-957.10.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-957.10.1.el7.ppc64.rpm
ppc64le:
kernel-debug-debuginfo-3.10.0-957.10.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-957.10.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-957.10.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-957.10.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-957.10.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-957.10.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-957.10.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-957.10.1.el7.ppc64le.rpm
x86_64:
kernel-debug-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.10.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.10.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
kernel-3.10.0-957.10.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-957.10.1.el7.noarch.rpm
kernel-doc-3.10.0-957.10.1.el7.noarch.rpm
x86_64:
bpftool-3.10.0-957.10.1.el7.x86_64.rpm
kernel-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debug-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.10.1.el7.x86_64.rpm
kernel-devel-3.10.0-957.10.1.el7.x86_64.rpm
kernel-headers-3.10.0-957.10.1.el7.x86_64.rpm
kernel-tools-3.10.0-957.10.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.10.1.el7.x86_64.rpm
perf-3.10.0-957.10.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
python-perf-3.10.0-957.10.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
kernel-debug-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.10.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.10.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.10.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.10.1.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-2018-17972
https://access.redhat.com/security/cve/CVE-2018-18445
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 2019 Red Hat, Inc.
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