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

Synopsis:          Important: kernel security and bug fix update
Advisory ID:       RHSA-2021:2714-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:2714
Issue date:        2021-07-20
CVE Names:         CVE-2021-32399 CVE-2021-33909
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 8.

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 CodeReady Linux Builder (v. 8) - aarch64, ppc64le, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - 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: size_t-to-int conversion vulnerability in the filesystem layer
(CVE-2021-33909)

* kernel: race condition for removal of the HCI controller (CVE-2021-32399)

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):

* pinctrl_emmitsburg: improper configuration (BZ#1963984)

* [Ampere] locking/qrwlock: Fix ordering in queued_write_lock_slowpath
(BZ#1964419)

* RHEL8.4 - [P10] [NPIV Multi queue Test kernel-
4.18.0-283.el8.ibmvfc_11022021.ppc64le] DLPAR operation fails for ibmvfc on
Denali (ibmvfc/dlpar/RHEL8.4) (BZ#1964697)

* Every server is displaying the same power levels for all of our i40e  25G
interfaces. 10G interfaces seem to be correct. Ethtool version is 5.0
(BZ#1967099)

* backport fixes for Connection Tracking offload (BZ#1968679)

* fm10k: removal of MODULE_VERSION deemed improper for y-stream release
(BZ#1969910)

* ixgbevf: removal of MODULE_VERSION deemed improper for y-stream release
(BZ#1969911)

* ena: removal of MODULE_VERSION deemed improper for y-stream release
(BZ#1969913)

* b44, bnx2, bnx2x, bnxt, tg3: removal of MODULE_VERSION deemed improper
for y-stream release (BZ#1969914)

* e1000, e1000e: removal of MODULE_VERSION deemed improper for y-stream
release (BZ#1969915)

* ice: removal of MODULE_VERSION deemed improper for y-stream release
(BZ#1969917)

* igb: removal of MODULE_VERSION deemed improper for y-stream release
(BZ#1969919)

* igbvf: removal of MODULE_VERSION deemed improper for y-stream release
(BZ#1969920)

* igc: removal of MODULE_VERSION deemed improper for y-stream release
(BZ#1969921)

* ixgbe: removal of MODULE_VERSION deemed improper for y-stream release
(BZ#1969922)

* i40e: removal of MODULE_VERSION deemed improper for y-stream release
(BZ#1969923)

* iavf: removal of MODULE_VERSION deemed improper for y-stream release
(BZ#1969925)

* Backport netlink extack tracepoint (BZ#1972938)

* [RHEL8.4] kernel panic when create NPIV port on qedf driver (BZ#1974968)

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/):

1970273 - CVE-2021-33909 kernel: size_t-to-int conversion vulnerability in the filesystem layer
1970807 - CVE-2021-32399 kernel: race condition for removal of the HCI controller

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
kernel-4.18.0-305.10.2.el8_4.src.rpm

aarch64:
bpftool-4.18.0-305.10.2.el8_4.aarch64.rpm
bpftool-debuginfo-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-core-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-cross-headers-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-debug-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-debug-core-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-debug-debuginfo-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-debug-devel-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-debug-modules-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-debug-modules-extra-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-debuginfo-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-devel-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-headers-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-modules-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-modules-extra-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-tools-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-tools-debuginfo-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-tools-libs-4.18.0-305.10.2.el8_4.aarch64.rpm
perf-4.18.0-305.10.2.el8_4.aarch64.rpm
perf-debuginfo-4.18.0-305.10.2.el8_4.aarch64.rpm
python3-perf-4.18.0-305.10.2.el8_4.aarch64.rpm
python3-perf-debuginfo-4.18.0-305.10.2.el8_4.aarch64.rpm

noarch:
kernel-abi-stablelists-4.18.0-305.10.2.el8_4.noarch.rpm
kernel-doc-4.18.0-305.10.2.el8_4.noarch.rpm

ppc64le:
bpftool-4.18.0-305.10.2.el8_4.ppc64le.rpm
bpftool-debuginfo-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-core-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-cross-headers-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-debug-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-debug-core-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-debug-devel-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-debug-modules-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-debuginfo-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-devel-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-headers-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-modules-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-modules-extra-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-tools-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-tools-libs-4.18.0-305.10.2.el8_4.ppc64le.rpm
perf-4.18.0-305.10.2.el8_4.ppc64le.rpm
perf-debuginfo-4.18.0-305.10.2.el8_4.ppc64le.rpm
python3-perf-4.18.0-305.10.2.el8_4.ppc64le.rpm
python3-perf-debuginfo-4.18.0-305.10.2.el8_4.ppc64le.rpm

s390x:
bpftool-4.18.0-305.10.2.el8_4.s390x.rpm
bpftool-debuginfo-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-core-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-cross-headers-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-debug-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-debug-core-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-debug-debuginfo-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-debug-devel-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-debug-modules-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-debug-modules-extra-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-debuginfo-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-devel-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-headers-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-modules-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-modules-extra-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-tools-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-tools-debuginfo-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-zfcpdump-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-zfcpdump-core-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-zfcpdump-devel-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-zfcpdump-modules-4.18.0-305.10.2.el8_4.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-305.10.2.el8_4.s390x.rpm
perf-4.18.0-305.10.2.el8_4.s390x.rpm
perf-debuginfo-4.18.0-305.10.2.el8_4.s390x.rpm
python3-perf-4.18.0-305.10.2.el8_4.s390x.rpm
python3-perf-debuginfo-4.18.0-305.10.2.el8_4.s390x.rpm

x86_64:
bpftool-4.18.0-305.10.2.el8_4.x86_64.rpm
bpftool-debuginfo-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-core-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-cross-headers-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-debug-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-debug-core-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-debug-debuginfo-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-debug-devel-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-debug-modules-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-debug-modules-extra-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-debuginfo-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-devel-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-headers-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-modules-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-modules-extra-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-tools-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-tools-debuginfo-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-tools-libs-4.18.0-305.10.2.el8_4.x86_64.rpm
perf-4.18.0-305.10.2.el8_4.x86_64.rpm
perf-debuginfo-4.18.0-305.10.2.el8_4.x86_64.rpm
python3-perf-4.18.0-305.10.2.el8_4.x86_64.rpm
python3-perf-debuginfo-4.18.0-305.10.2.el8_4.x86_64.rpm

Red Hat CodeReady Linux Builder (v. 8):

aarch64:
bpftool-debuginfo-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-debug-debuginfo-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-debuginfo-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-tools-debuginfo-4.18.0-305.10.2.el8_4.aarch64.rpm
kernel-tools-libs-devel-4.18.0-305.10.2.el8_4.aarch64.rpm
perf-debuginfo-4.18.0-305.10.2.el8_4.aarch64.rpm
python3-perf-debuginfo-4.18.0-305.10.2.el8_4.aarch64.rpm

ppc64le:
bpftool-debuginfo-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-debuginfo-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-305.10.2.el8_4.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-305.10.2.el8_4.ppc64le.rpm
perf-debuginfo-4.18.0-305.10.2.el8_4.ppc64le.rpm
python3-perf-debuginfo-4.18.0-305.10.2.el8_4.ppc64le.rpm

x86_64:
bpftool-debuginfo-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-debug-debuginfo-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-debuginfo-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-tools-debuginfo-4.18.0-305.10.2.el8_4.x86_64.rpm
kernel-tools-libs-devel-4.18.0-305.10.2.el8_4.x86_64.rpm
perf-debuginfo-4.18.0-305.10.2.el8_4.x86_64.rpm
python3-perf-debuginfo-4.18.0-305.10.2.el8_4.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-2021-32399
https://access.redhat.com/security/cve/CVE-2021-33909
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/RHSB-2021-006

8. Contact:

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

Copyright 2021 Red Hat, Inc.
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