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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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