Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2020.1531
kernel security update
30 April 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: kernel
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Root Compromise -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-19768
Reference: ESB-2020.1520
ESB-2020.1480
ESB-2020.1476
ESB-2020.1475
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:1966
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Red Hat Security Advisory
Synopsis: Important: kernel security update
Advisory ID: RHSA-2020:1966-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1966
Issue date: 2020-04-29
CVE Names: CVE-2019-19768
=====================================================================
1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 8.0
Update
Services for SAP Solutions.
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 BaseOS E4S (v. 8.0) - 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):
* blktrace: Protect q->blk_trace with RCU (CVE-2019-19768)
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/):
1786164 - CVE-2019-19768 kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c
6. Package List:
Red Hat Enterprise Linux BaseOS E4S (v. 8.0):
Source:
kernel-4.18.0-80.18.1.el8_0.src.rpm
aarch64:
bpftool-4.18.0-80.18.1.el8_0.aarch64.rpm
bpftool-debuginfo-4.18.0-80.18.1.el8_0.aarch64.rpm
kernel-4.18.0-80.18.1.el8_0.aarch64.rpm
kernel-core-4.18.0-80.18.1.el8_0.aarch64.rpm
kernel-cross-headers-4.18.0-80.18.1.el8_0.aarch64.rpm
kernel-debug-4.18.0-80.18.1.el8_0.aarch64.rpm
kernel-debug-core-4.18.0-80.18.1.el8_0.aarch64.rpm
kernel-debug-debuginfo-4.18.0-80.18.1.el8_0.aarch64.rpm
kernel-debug-devel-4.18.0-80.18.1.el8_0.aarch64.rpm
kernel-debug-modules-4.18.0-80.18.1.el8_0.aarch64.rpm
kernel-debug-modules-extra-4.18.0-80.18.1.el8_0.aarch64.rpm
kernel-debuginfo-4.18.0-80.18.1.el8_0.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-80.18.1.el8_0.aarch64.rpm
kernel-devel-4.18.0-80.18.1.el8_0.aarch64.rpm
kernel-headers-4.18.0-80.18.1.el8_0.aarch64.rpm
kernel-modules-4.18.0-80.18.1.el8_0.aarch64.rpm
kernel-modules-extra-4.18.0-80.18.1.el8_0.aarch64.rpm
kernel-tools-4.18.0-80.18.1.el8_0.aarch64.rpm
kernel-tools-debuginfo-4.18.0-80.18.1.el8_0.aarch64.rpm
kernel-tools-libs-4.18.0-80.18.1.el8_0.aarch64.rpm
perf-4.18.0-80.18.1.el8_0.aarch64.rpm
perf-debuginfo-4.18.0-80.18.1.el8_0.aarch64.rpm
python3-perf-4.18.0-80.18.1.el8_0.aarch64.rpm
python3-perf-debuginfo-4.18.0-80.18.1.el8_0.aarch64.rpm
noarch:
kernel-abi-whitelists-4.18.0-80.18.1.el8_0.noarch.rpm
kernel-doc-4.18.0-80.18.1.el8_0.noarch.rpm
ppc64le:
bpftool-4.18.0-80.18.1.el8_0.ppc64le.rpm
bpftool-debuginfo-4.18.0-80.18.1.el8_0.ppc64le.rpm
kernel-4.18.0-80.18.1.el8_0.ppc64le.rpm
kernel-core-4.18.0-80.18.1.el8_0.ppc64le.rpm
kernel-cross-headers-4.18.0-80.18.1.el8_0.ppc64le.rpm
kernel-debug-4.18.0-80.18.1.el8_0.ppc64le.rpm
kernel-debug-core-4.18.0-80.18.1.el8_0.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-80.18.1.el8_0.ppc64le.rpm
kernel-debug-devel-4.18.0-80.18.1.el8_0.ppc64le.rpm
kernel-debug-modules-4.18.0-80.18.1.el8_0.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-80.18.1.el8_0.ppc64le.rpm
kernel-debuginfo-4.18.0-80.18.1.el8_0.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-80.18.1.el8_0.ppc64le.rpm
kernel-devel-4.18.0-80.18.1.el8_0.ppc64le.rpm
kernel-headers-4.18.0-80.18.1.el8_0.ppc64le.rpm
kernel-modules-4.18.0-80.18.1.el8_0.ppc64le.rpm
kernel-modules-extra-4.18.0-80.18.1.el8_0.ppc64le.rpm
kernel-tools-4.18.0-80.18.1.el8_0.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-80.18.1.el8_0.ppc64le.rpm
kernel-tools-libs-4.18.0-80.18.1.el8_0.ppc64le.rpm
perf-4.18.0-80.18.1.el8_0.ppc64le.rpm
perf-debuginfo-4.18.0-80.18.1.el8_0.ppc64le.rpm
python3-perf-4.18.0-80.18.1.el8_0.ppc64le.rpm
python3-perf-debuginfo-4.18.0-80.18.1.el8_0.ppc64le.rpm
s390x:
bpftool-4.18.0-80.18.1.el8_0.s390x.rpm
bpftool-debuginfo-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-core-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-cross-headers-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-debug-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-debug-core-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-debug-debuginfo-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-debug-devel-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-debug-modules-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-debug-modules-extra-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-debuginfo-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-devel-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-headers-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-modules-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-modules-extra-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-tools-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-tools-debuginfo-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-zfcpdump-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-zfcpdump-core-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-zfcpdump-devel-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-zfcpdump-modules-4.18.0-80.18.1.el8_0.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-80.18.1.el8_0.s390x.rpm
perf-4.18.0-80.18.1.el8_0.s390x.rpm
perf-debuginfo-4.18.0-80.18.1.el8_0.s390x.rpm
python3-perf-4.18.0-80.18.1.el8_0.s390x.rpm
python3-perf-debuginfo-4.18.0-80.18.1.el8_0.s390x.rpm
x86_64:
bpftool-4.18.0-80.18.1.el8_0.x86_64.rpm
bpftool-debuginfo-4.18.0-80.18.1.el8_0.x86_64.rpm
kernel-4.18.0-80.18.1.el8_0.x86_64.rpm
kernel-core-4.18.0-80.18.1.el8_0.x86_64.rpm
kernel-cross-headers-4.18.0-80.18.1.el8_0.x86_64.rpm
kernel-debug-4.18.0-80.18.1.el8_0.x86_64.rpm
kernel-debug-core-4.18.0-80.18.1.el8_0.x86_64.rpm
kernel-debug-debuginfo-4.18.0-80.18.1.el8_0.x86_64.rpm
kernel-debug-devel-4.18.0-80.18.1.el8_0.x86_64.rpm
kernel-debug-modules-4.18.0-80.18.1.el8_0.x86_64.rpm
kernel-debug-modules-extra-4.18.0-80.18.1.el8_0.x86_64.rpm
kernel-debuginfo-4.18.0-80.18.1.el8_0.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-80.18.1.el8_0.x86_64.rpm
kernel-devel-4.18.0-80.18.1.el8_0.x86_64.rpm
kernel-headers-4.18.0-80.18.1.el8_0.x86_64.rpm
kernel-modules-4.18.0-80.18.1.el8_0.x86_64.rpm
kernel-modules-extra-4.18.0-80.18.1.el8_0.x86_64.rpm
kernel-tools-4.18.0-80.18.1.el8_0.x86_64.rpm
kernel-tools-debuginfo-4.18.0-80.18.1.el8_0.x86_64.rpm
kernel-tools-libs-4.18.0-80.18.1.el8_0.x86_64.rpm
perf-4.18.0-80.18.1.el8_0.x86_64.rpm
perf-debuginfo-4.18.0-80.18.1.el8_0.x86_64.rpm
python3-perf-4.18.0-80.18.1.el8_0.x86_64.rpm
python3-perf-debuginfo-4.18.0-80.18.1.el8_0.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-2019-19768
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 2020 Red Hat, Inc.
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