Hash: SHA256
====================================================================
Red Hat Security Advisory
Synopsis: Moderate: kernel security, bug fix, and enhancement
update
Advisory ID: RHSA-2021:3548-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3548
Issue date: 2021-09-15
CVE Names: CVE-2021-3653
====================================================================
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 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 (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: SVM nested virtualization issue in KVM (AVIC
support)
(CVE-2021-3653)
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):
* RHEL8.4 Nightly[0308] - HST:STC950:Fleetwood: LPAR crashed
during LPM:
BUG at lib/locks.c:34! (using ibmvfc) (BZ#1969792)
* RHEL8.2 - s390/vtime: fix increased steal time accounting (BZ#1988386)
* [FJ8.4 Bug]: Installation of RHEL8.4 hang up on a Tatlow
platform while
loading intel_lpss_pci module. (BZ#1989560)
* kernel panic in drm_fb_helper_dirty_work() caused by a race
condition qxl
driver (BZ#1992839)
* [RHEL8.4] TIOCGSERIAL ioctl fails on serial device (BZ#1993872)
* RHEL8.4 Nightly[0208] - kernel panic when executing test case
for
persistent device configuration (using DASD) (BZ#1995206)
* Killing ceph daemon leaving an unhealthy ocs/ocp cluster
(worker node/s
NotReady) (BZ#1995862)
* ceph: potential data corruption in cephfs write_begin
codepath
(BZ#1996680)
* libceph: allow addrvecs with a single NONE/blank address (BZ#1996682)
* [iavf] traffic stops after host sets vf trust on (BZ#1997536)
* [ice][iavf] hit some call trace and system panic when
create-remove-vfs
in loop (BZ#1997538)
* Missing backport of IMA boot aggregate calculation in rhel 8.4
kernel
(BZ#1997766)
* XArray tests broken for single processor (BZ#1997997)
* [RHEL-8.4] mlock() end up returning -EINVAL instead of -ENOMEM
in
rewriting the upper address bits. (BZ#1997998)
* Kernel panic at n_tty_set_termios+0x30 (BZ#1997999)
* [ice]BUG: scheduling while atomic:
ifenslave/270215/0x00000200
(BZ#2000129)
* [ice]port lost connectivity after removing from bonding (BZ#2000130)
Enhancement(s):
* [Mellanox 8.5 FEAT] mlx5: drivers update upto Linux v5.12 (BZ#1983681)
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/):
1983686 - CVE-2021-3653 kernel: SVM nested virtualization issue in KVM (AVIC support)
6. Package List:
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
kernel-4.18.0-305.19.1.el8_4.src.rpm
aarch64:
bpftool-4.18.0-305.19.1.el8_4.aarch64.rpm
bpftool-debuginfo-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-core-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-cross-headers-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-debug-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-debug-core-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-debug-debuginfo-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-debug-devel-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-debug-modules-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-debug-modules-extra-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-debuginfo-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-devel-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-headers-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-modules-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-modules-extra-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-tools-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-tools-debuginfo-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-tools-libs-4.18.0-305.19.1.el8_4.aarch64.rpm
perf-4.18.0-305.19.1.el8_4.aarch64.rpm
perf-debuginfo-4.18.0-305.19.1.el8_4.aarch64.rpm
python3-perf-4.18.0-305.19.1.el8_4.aarch64.rpm
python3-perf-debuginfo-4.18.0-305.19.1.el8_4.aarch64.rpm
noarch:
kernel-abi-stablelists-4.18.0-305.19.1.el8_4.noarch.rpm
kernel-doc-4.18.0-305.19.1.el8_4.noarch.rpm
ppc64le:
bpftool-4.18.0-305.19.1.el8_4.ppc64le.rpm
bpftool-debuginfo-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-core-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-cross-headers-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-debug-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-debug-core-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-debug-devel-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-debug-modules-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-debuginfo-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-devel-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-headers-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-modules-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-modules-extra-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-tools-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-tools-libs-4.18.0-305.19.1.el8_4.ppc64le.rpm
perf-4.18.0-305.19.1.el8_4.ppc64le.rpm
perf-debuginfo-4.18.0-305.19.1.el8_4.ppc64le.rpm
python3-perf-4.18.0-305.19.1.el8_4.ppc64le.rpm
python3-perf-debuginfo-4.18.0-305.19.1.el8_4.ppc64le.rpm
s390x:
bpftool-4.18.0-305.19.1.el8_4.s390x.rpm
bpftool-debuginfo-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-core-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-cross-headers-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-debug-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-debug-core-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-debug-debuginfo-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-debug-devel-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-debug-modules-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-debug-modules-extra-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-debuginfo-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-devel-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-headers-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-modules-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-modules-extra-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-tools-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-tools-debuginfo-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-zfcpdump-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-zfcpdump-core-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-zfcpdump-devel-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-zfcpdump-modules-4.18.0-305.19.1.el8_4.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-305.19.1.el8_4.s390x.rpm
perf-4.18.0-305.19.1.el8_4.s390x.rpm
perf-debuginfo-4.18.0-305.19.1.el8_4.s390x.rpm
python3-perf-4.18.0-305.19.1.el8_4.s390x.rpm
python3-perf-debuginfo-4.18.0-305.19.1.el8_4.s390x.rpm
x86_64:
bpftool-4.18.0-305.19.1.el8_4.x86_64.rpm
bpftool-debuginfo-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-core-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-cross-headers-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-debug-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-debug-core-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-debug-debuginfo-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-debug-devel-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-debug-modules-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-debug-modules-extra-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-debuginfo-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-devel-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-headers-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-modules-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-modules-extra-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-tools-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-tools-debuginfo-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-tools-libs-4.18.0-305.19.1.el8_4.x86_64.rpm
perf-4.18.0-305.19.1.el8_4.x86_64.rpm
perf-debuginfo-4.18.0-305.19.1.el8_4.x86_64.rpm
python3-perf-4.18.0-305.19.1.el8_4.x86_64.rpm
python3-perf-debuginfo-4.18.0-305.19.1.el8_4.x86_64.rpm
Red Hat CodeReady Linux Builder (v. 8):
aarch64:
bpftool-debuginfo-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-debug-debuginfo-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-debuginfo-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-tools-debuginfo-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-tools-libs-devel-4.18.0-305.19.1.el8_4.aarch64.rpm
perf-debuginfo-4.18.0-305.19.1.el8_4.aarch64.rpm
python3-perf-debuginfo-4.18.0-305.19.1.el8_4.aarch64.rpm
ppc64le:
bpftool-debuginfo-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-debuginfo-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-305.19.1.el8_4.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-305.19.1.el8_4.ppc64le.rpm
perf-debuginfo-4.18.0-305.19.1.el8_4.ppc64le.rpm
python3-perf-debuginfo-4.18.0-305.19.1.el8_4.ppc64le.rpm
x86_64:
bpftool-debuginfo-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-debug-debuginfo-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-debuginfo-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-tools-debuginfo-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-tools-libs-devel-4.18.0-305.19.1.el8_4.x86_64.rpm
perf-debuginfo-4.18.0-305.19.1.el8_4.x86_64.rpm
python3-perf-debuginfo-4.18.0-305.19.1.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-2021-3653
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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