RedHat: RHSA-2018-3651:01 Moderate: kernel security, bug fix,
Summary
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* kernel: stack-based buffer overflow in chap_server_compute_md5() in iscsi
target (CVE-2018-14633)
* kernel: NULL pointer dereference in af_netlink.c:__netlink_ns_capable()
allows for denial of service (CVE-2018-14646)
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 Vincent Pelletier for reporting CVE-2018-14633
and Christian Brauner for reporting CVE-2018-14646.
Bug Fix(es):
These updated kernel packages include also numerous bug fixes. Space
precludes documenting all of the bug fixes in this advisory. See the
descriptions in the related Knowledge Article:
https://access.redhat.com/articles/3714371
Summary
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.
References
https://access.redhat.com/security/cve/CVE-2018-14633 https://access.redhat.com/security/cve/CVE-2018-14646 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/articles/3714371
Package List
Red Hat Enterprise Linux Client (v. 7):
Source:
kernel-3.10.0-957.1.3.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-957.1.3.el7.noarch.rpm
kernel-doc-3.10.0-957.1.3.el7.noarch.rpm
x86_64:
bpftool-3.10.0-957.1.3.el7.x86_64.rpm
kernel-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debug-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.1.3.el7.x86_64.rpm
kernel-devel-3.10.0-957.1.3.el7.x86_64.rpm
kernel-headers-3.10.0-957.1.3.el7.x86_64.rpm
kernel-tools-3.10.0-957.1.3.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.1.3.el7.x86_64.rpm
perf-3.10.0-957.1.3.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
python-perf-3.10.0-957.1.3.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
kernel-debug-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.1.3.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.1.3.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
kernel-3.10.0-957.1.3.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-957.1.3.el7.noarch.rpm
kernel-doc-3.10.0-957.1.3.el7.noarch.rpm
x86_64:
bpftool-3.10.0-957.1.3.el7.x86_64.rpm
kernel-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debug-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.1.3.el7.x86_64.rpm
kernel-devel-3.10.0-957.1.3.el7.x86_64.rpm
kernel-headers-3.10.0-957.1.3.el7.x86_64.rpm
kernel-tools-3.10.0-957.1.3.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.1.3.el7.x86_64.rpm
perf-3.10.0-957.1.3.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
python-perf-3.10.0-957.1.3.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64:
kernel-debug-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.1.3.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.1.3.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
kernel-3.10.0-957.1.3.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-957.1.3.el7.noarch.rpm
kernel-doc-3.10.0-957.1.3.el7.noarch.rpm
ppc64:
kernel-3.10.0-957.1.3.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-957.1.3.el7.ppc64.rpm
kernel-debug-3.10.0-957.1.3.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-957.1.3.el7.ppc64.rpm
kernel-debug-devel-3.10.0-957.1.3.el7.ppc64.rpm
kernel-debuginfo-3.10.0-957.1.3.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-957.1.3.el7.ppc64.rpm
kernel-devel-3.10.0-957.1.3.el7.ppc64.rpm
kernel-headers-3.10.0-957.1.3.el7.ppc64.rpm
kernel-tools-3.10.0-957.1.3.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-957.1.3.el7.ppc64.rpm
kernel-tools-libs-3.10.0-957.1.3.el7.ppc64.rpm
perf-3.10.0-957.1.3.el7.ppc64.rpm
perf-debuginfo-3.10.0-957.1.3.el7.ppc64.rpm
python-perf-3.10.0-957.1.3.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-957.1.3.el7.ppc64.rpm
ppc64le:
kernel-3.10.0-957.1.3.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-957.1.3.el7.ppc64le.rpm
kernel-debug-3.10.0-957.1.3.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-957.1.3.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-957.1.3.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-957.1.3.el7.ppc64le.rpm
kernel-devel-3.10.0-957.1.3.el7.ppc64le.rpm
kernel-headers-3.10.0-957.1.3.el7.ppc64le.rpm
kernel-tools-3.10.0-957.1.3.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-957.1.3.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-957.1.3.el7.ppc64le.rpm
perf-3.10.0-957.1.3.el7.ppc64le.rpm
perf-debuginfo-3.10.0-957.1.3.el7.ppc64le.rpm
python-perf-3.10.0-957.1.3.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-957.1.3.el7.ppc64le.rpm
s390x:
kernel-3.10.0-957.1.3.el7.s390x.rpm
kernel-debug-3.10.0-957.1.3.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-957.1.3.el7.s390x.rpm
kernel-debug-devel-3.10.0-957.1.3.el7.s390x.rpm
kernel-debuginfo-3.10.0-957.1.3.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-957.1.3.el7.s390x.rpm
kernel-devel-3.10.0-957.1.3.el7.s390x.rpm
kernel-headers-3.10.0-957.1.3.el7.s390x.rpm
kernel-kdump-3.10.0-957.1.3.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-957.1.3.el7.s390x.rpm
kernel-kdump-devel-3.10.0-957.1.3.el7.s390x.rpm
perf-3.10.0-957.1.3.el7.s390x.rpm
perf-debuginfo-3.10.0-957.1.3.el7.s390x.rpm
python-perf-3.10.0-957.1.3.el7.s390x.rpm
python-perf-debuginfo-3.10.0-957.1.3.el7.s390x.rpm
x86_64:
bpftool-3.10.0-957.1.3.el7.x86_64.rpm
kernel-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debug-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.1.3.el7.x86_64.rpm
kernel-devel-3.10.0-957.1.3.el7.x86_64.rpm
kernel-headers-3.10.0-957.1.3.el7.x86_64.rpm
kernel-tools-3.10.0-957.1.3.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.1.3.el7.x86_64.rpm
perf-3.10.0-957.1.3.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
python-perf-3.10.0-957.1.3.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64:
kernel-debug-debuginfo-3.10.0-957.1.3.el7.ppc64.rpm
kernel-debuginfo-3.10.0-957.1.3.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-957.1.3.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-957.1.3.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-957.1.3.el7.ppc64.rpm
perf-debuginfo-3.10.0-957.1.3.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-957.1.3.el7.ppc64.rpm
ppc64le:
kernel-debug-debuginfo-3.10.0-957.1.3.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-957.1.3.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-957.1.3.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-957.1.3.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-957.1.3.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-957.1.3.el7.ppc64le.rpm
perf-debuginfo-3.10.0-957.1.3.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-957.1.3.el7.ppc64le.rpm
x86_64:
kernel-debug-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.1.3.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.1.3.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
kernel-3.10.0-957.1.3.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-957.1.3.el7.noarch.rpm
kernel-doc-3.10.0-957.1.3.el7.noarch.rpm
x86_64:
bpftool-3.10.0-957.1.3.el7.x86_64.rpm
kernel-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debug-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.1.3.el7.x86_64.rpm
kernel-devel-3.10.0-957.1.3.el7.x86_64.rpm
kernel-headers-3.10.0-957.1.3.el7.x86_64.rpm
kernel-tools-3.10.0-957.1.3.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.1.3.el7.x86_64.rpm
perf-3.10.0-957.1.3.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
python-perf-3.10.0-957.1.3.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
kernel-debug-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.1.3.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.1.3.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.1.3.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.1.3.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/
Topic
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 impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.
Topic
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
Bugs Fixed
1626035 - CVE-2018-14633 kernel: stack-based buffer overflow in chap_server_compute_md5() in iscsi target
1630124 - CVE-2018-14646 kernel: NULL pointer dereference in af_netlink.c:__netlink_ns_capable() allows for denial of service