[RHSA-2020:5374-01] Moderate: kernel security and bug fix update

Security announcements for all Red Hat products and services. rhsa-announce at redhat.com
Tue Dec 8 10:39:20 UTC 2020 

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis:          Moderate: kernel security and bug fix update
Advisory ID:       RHSA-2020:5374-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:5374
Issue date:        2020-12-08
CVE Names:         CVE-2020-25641 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 8.1
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. 8.1) - aarch64, ppc64le, x86_64
Red Hat Enterprise Linux BaseOS EUS (v. 8.1) - 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: soft-lockups in iov_iter_copy_from_user_atomic() could result in
DoS (CVE-2020-25641)

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):

* CNB: net: fix AF_PACKET transport_offset (BZ#1889727)

* [Hyper-V][RHEL 8.2] Four Mellanox Patches needed for kernels that have
that have SRIOV (BZ#1892342)

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/):

1881424 - CVE-2020-25641 kernel: soft-lockups in iov_iter_copy_from_user_atomic() could result in DoS

6. Package List:

Red Hat Enterprise Linux BaseOS EUS (v. 8.1):

Source:
kernel-4.18.0-147.34.1.el8_1.src.rpm

aarch64:
bpftool-4.18.0-147.34.1.el8_1.aarch64.rpm
bpftool-debuginfo-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-core-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-cross-headers-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-debug-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-debug-core-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-debug-debuginfo-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-debug-devel-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-debug-modules-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-debug-modules-extra-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-debuginfo-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-devel-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-headers-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-modules-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-modules-extra-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-tools-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-tools-debuginfo-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-tools-libs-4.18.0-147.34.1.el8_1.aarch64.rpm
perf-4.18.0-147.34.1.el8_1.aarch64.rpm
perf-debuginfo-4.18.0-147.34.1.el8_1.aarch64.rpm
python3-perf-4.18.0-147.34.1.el8_1.aarch64.rpm
python3-perf-debuginfo-4.18.0-147.34.1.el8_1.aarch64.rpm

noarch:
kernel-abi-whitelists-4.18.0-147.34.1.el8_1.noarch.rpm
kernel-doc-4.18.0-147.34.1.el8_1.noarch.rpm

ppc64le:
bpftool-4.18.0-147.34.1.el8_1.ppc64le.rpm
bpftool-debuginfo-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-core-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-cross-headers-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-debug-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-debug-core-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-debug-devel-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-debug-modules-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-debuginfo-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-devel-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-headers-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-modules-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-modules-extra-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-tools-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-tools-libs-4.18.0-147.34.1.el8_1.ppc64le.rpm
perf-4.18.0-147.34.1.el8_1.ppc64le.rpm
perf-debuginfo-4.18.0-147.34.1.el8_1.ppc64le.rpm
python3-perf-4.18.0-147.34.1.el8_1.ppc64le.rpm
python3-perf-debuginfo-4.18.0-147.34.1.el8_1.ppc64le.rpm

s390x:
bpftool-4.18.0-147.34.1.el8_1.s390x.rpm
bpftool-debuginfo-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-core-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-cross-headers-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-debug-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-debug-core-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-debug-debuginfo-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-debug-devel-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-debug-modules-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-debug-modules-extra-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-debuginfo-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-devel-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-headers-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-modules-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-modules-extra-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-tools-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-tools-debuginfo-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-zfcpdump-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-zfcpdump-core-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-zfcpdump-devel-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-zfcpdump-modules-4.18.0-147.34.1.el8_1.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-147.34.1.el8_1.s390x.rpm
perf-4.18.0-147.34.1.el8_1.s390x.rpm
perf-debuginfo-4.18.0-147.34.1.el8_1.s390x.rpm
python3-perf-4.18.0-147.34.1.el8_1.s390x.rpm
python3-perf-debuginfo-4.18.0-147.34.1.el8_1.s390x.rpm

x86_64:
bpftool-4.18.0-147.34.1.el8_1.x86_64.rpm
bpftool-debuginfo-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-core-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-cross-headers-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-debug-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-debug-core-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-debug-debuginfo-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-debug-devel-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-debug-modules-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-debug-modules-extra-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-debuginfo-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-devel-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-headers-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-modules-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-modules-extra-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-tools-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-tools-debuginfo-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-tools-libs-4.18.0-147.34.1.el8_1.x86_64.rpm
perf-4.18.0-147.34.1.el8_1.x86_64.rpm
perf-debuginfo-4.18.0-147.34.1.el8_1.x86_64.rpm
python3-perf-4.18.0-147.34.1.el8_1.x86_64.rpm
python3-perf-debuginfo-4.18.0-147.34.1.el8_1.x86_64.rpm

Red Hat CodeReady Linux Builder EUS (v. 8.1):

aarch64:
bpftool-debuginfo-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-debug-debuginfo-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-debuginfo-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-tools-debuginfo-4.18.0-147.34.1.el8_1.aarch64.rpm
kernel-tools-libs-devel-4.18.0-147.34.1.el8_1.aarch64.rpm
perf-debuginfo-4.18.0-147.34.1.el8_1.aarch64.rpm
python3-perf-debuginfo-4.18.0-147.34.1.el8_1.aarch64.rpm

ppc64le:
bpftool-debuginfo-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-debuginfo-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-147.34.1.el8_1.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-147.34.1.el8_1.ppc64le.rpm
perf-debuginfo-4.18.0-147.34.1.el8_1.ppc64le.rpm
python3-perf-debuginfo-4.18.0-147.34.1.el8_1.ppc64le.rpm

x86_64:
bpftool-debuginfo-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-debug-debuginfo-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-debuginfo-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-tools-debuginfo-4.18.0-147.34.1.el8_1.x86_64.rpm
kernel-tools-libs-devel-4.18.0-147.34.1.el8_1.x86_64.rpm
perf-debuginfo-4.18.0-147.34.1.el8_1.x86_64.rpm
python3-perf-debuginfo-4.18.0-147.34.1.el8_1.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-2020-25641
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2020 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=gXvm
-----END PGP SIGNATURE-----

More information about the RHSA-announce mailing list