A kernel security and bug fix update has been released for Red Hat Enterprise Linux 8.2.
RHSA-2020:5418-01: Moderate: kernel security and bug fix update
=====================================================================
Red Hat Security Advisory
Synopsis: Moderate: kernel security and bug fix update
Advisory ID: RHSA-2020:5418-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5418
Issue date: 2020-12-15
CVE Names: CVE-2020-16166
=====================================================================
1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 8.2
Extended Update Support.
Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 CodeReady Linux Builder EUS (v. 8.2) - aarch64, ppc64le, x86_64
Red Hat Enterprise Linux BaseOS EUS (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* kernel: information exposure in drivers/char/random.c and
kernel/time/timer.c (CVE-2020-16166)
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):
* [RHEL-8.3][arm64] CN99xx: DIMM errors not populated in EDAC sysfs
(BZ#1857754)
* sctp: backports from upstream, 2nd phase (BZ#1878308)
* Backport upstream OVS performance patch fix (BZ#1879936)
* avoid flush_backlog IPI for isolated CPUs by configuring RPS cpumask
(BZ#1883315)
* Unexpected fragmentation needed error, OpenShift 4, OVS, VXLAN, GSO,
Azure (BZ#1885767)
* XFS: reflinked file data corruption (BZ#1886896)
* Scheduler: rq->tmp_alone_branch != &rq->leaf_cfs_rq_list (BZ#1890123)
* geneve: add transport ports in route lookup for geneve (BZ#1891819)
* BUG: using smp_processor_id() in preemptible [00000000] code:
handler106/3082 (BZ#1893282)
* HRTICK not armed in specific cases with SCHED_DEADLINE (BZ#1894074)
* RHEL8.1 - ibmveth is producing TX errors over VXLAN when large send (TSO)
is enabled (-> related to Red Hat bug 1816254 - OCP 4.3 - Authentication
clusteroperator is in unknown state on POWER 9 servers") (BZ#1896300)
* RHEL8.2 - mm/gup: fix gup_fast with dynamic page table folding
(BZ#1896352)
* block layer: update to upstream v5.8 (BZ#1896788)
* [Regression] RHEL8.2 zstream - Undetected Data corruption in MPI
workloads that use VSX for reductions on POWER9 DD2.1 systems (BZ#1897279)
* ARO: excessive pod memory allocation causes node lockup (BZ#1901549)
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/):
1865751 - CVE-2020-16166 kernel: information exposure in drivers/char/random.c and kernel/time/timer.c
6. Package List:
Red Hat Enterprise Linux BaseOS EUS (v. 8.2):
Source:
kernel-4.18.0-193.37.1.el8_2.src.rpm
aarch64:
bpftool-4.18.0-193.37.1.el8_2.aarch64.rpm
bpftool-debuginfo-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-core-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-cross-headers-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-debug-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-debug-core-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-debug-debuginfo-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-debug-devel-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-debug-modules-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-debug-modules-extra-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-debuginfo-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-devel-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-headers-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-modules-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-modules-extra-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-tools-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-tools-debuginfo-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-tools-libs-4.18.0-193.37.1.el8_2.aarch64.rpm
perf-4.18.0-193.37.1.el8_2.aarch64.rpm
perf-debuginfo-4.18.0-193.37.1.el8_2.aarch64.rpm
python3-perf-4.18.0-193.37.1.el8_2.aarch64.rpm
python3-perf-debuginfo-4.18.0-193.37.1.el8_2.aarch64.rpm
noarch:
kernel-abi-whitelists-4.18.0-193.37.1.el8_2.noarch.rpm
kernel-doc-4.18.0-193.37.1.el8_2.noarch.rpm
ppc64le:
bpftool-4.18.0-193.37.1.el8_2.ppc64le.rpm
bpftool-debuginfo-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-core-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-cross-headers-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-debug-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-debug-core-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-debug-devel-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-debug-modules-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-debuginfo-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-devel-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-headers-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-modules-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-modules-extra-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-tools-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-tools-libs-4.18.0-193.37.1.el8_2.ppc64le.rpm
perf-4.18.0-193.37.1.el8_2.ppc64le.rpm
perf-debuginfo-4.18.0-193.37.1.el8_2.ppc64le.rpm
python3-perf-4.18.0-193.37.1.el8_2.ppc64le.rpm
python3-perf-debuginfo-4.18.0-193.37.1.el8_2.ppc64le.rpm
s390x:
bpftool-4.18.0-193.37.1.el8_2.s390x.rpm
bpftool-debuginfo-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-core-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-cross-headers-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-debug-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-debug-core-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-debug-debuginfo-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-debug-devel-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-debug-modules-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-debug-modules-extra-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-debuginfo-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-devel-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-headers-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-modules-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-modules-extra-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-tools-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-tools-debuginfo-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-zfcpdump-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-zfcpdump-core-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-zfcpdump-devel-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-zfcpdump-modules-4.18.0-193.37.1.el8_2.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-193.37.1.el8_2.s390x.rpm
perf-4.18.0-193.37.1.el8_2.s390x.rpm
perf-debuginfo-4.18.0-193.37.1.el8_2.s390x.rpm
python3-perf-4.18.0-193.37.1.el8_2.s390x.rpm
python3-perf-debuginfo-4.18.0-193.37.1.el8_2.s390x.rpm
x86_64:
bpftool-4.18.0-193.37.1.el8_2.x86_64.rpm
bpftool-debuginfo-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-core-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-cross-headers-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-debug-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-debug-core-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-debug-debuginfo-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-debug-devel-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-debug-modules-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-debug-modules-extra-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-debuginfo-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-devel-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-headers-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-modules-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-modules-extra-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-tools-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-tools-debuginfo-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-tools-libs-4.18.0-193.37.1.el8_2.x86_64.rpm
perf-4.18.0-193.37.1.el8_2.x86_64.rpm
perf-debuginfo-4.18.0-193.37.1.el8_2.x86_64.rpm
python3-perf-4.18.0-193.37.1.el8_2.x86_64.rpm
python3-perf-debuginfo-4.18.0-193.37.1.el8_2.x86_64.rpm
Red Hat CodeReady Linux Builder EUS (v. 8.2):
aarch64:
bpftool-debuginfo-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-debug-debuginfo-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-debuginfo-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-tools-debuginfo-4.18.0-193.37.1.el8_2.aarch64.rpm
kernel-tools-libs-devel-4.18.0-193.37.1.el8_2.aarch64.rpm
perf-debuginfo-4.18.0-193.37.1.el8_2.aarch64.rpm
python3-perf-debuginfo-4.18.0-193.37.1.el8_2.aarch64.rpm
ppc64le:
bpftool-debuginfo-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-debuginfo-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-193.37.1.el8_2.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-193.37.1.el8_2.ppc64le.rpm
perf-debuginfo-4.18.0-193.37.1.el8_2.ppc64le.rpm
python3-perf-debuginfo-4.18.0-193.37.1.el8_2.ppc64le.rpm
x86_64:
bpftool-debuginfo-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-debug-debuginfo-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-debuginfo-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-tools-debuginfo-4.18.0-193.37.1.el8_2.x86_64.rpm
kernel-tools-libs-devel-4.18.0-193.37.1.el8_2.x86_64.rpm
perf-debuginfo-4.18.0-193.37.1.el8_2.x86_64.rpm
python3-perf-debuginfo-4.18.0-193.37.1.el8_2.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-2020-16166
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
