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RedHat: RHSA-2021-1272:01 Important: kernel security, bug fix,

Date 20 Apr 2021
99
Posted By LinuxSecurity Advisories
An update for kernel is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,
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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: kernel security, bug fix, and enhancement update
Advisory ID:       RHSA-2021:1272-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:1272
Issue date:        2021-04-20
CVE Names:         CVE-2021-3347 CVE-2021-27363 CVE-2021-27364 
                   CVE-2021-27365 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 8.2
Extended Update Support.

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 EUS (v. 8.2) - aarch64, ppc64le, x86_64
Red Hat Enterprise Linux BaseOS EUS (v. 8.2) - 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: Use after free via PI futex state (CVE-2021-3347)

* kernel: out-of-bounds read in libiscsi module (CVE-2021-27364)

* kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)

* kernel: iscsi: unrestricted access to sessions and handles
(CVE-2021-27363)

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):

* System Crash / Core dump while deleting VMs (BZ#1897687)

* various patches to stabilize the OPAL error log processing and the
powernv dump processing (ESS) (BZ#1907302)

* Unable to receive the signal registered using mq_notify(). (BZ#1926111)

* SCTP "Address already in use" when no active endpoints from RHEL 8.2
onwards (BZ#1927522)

* enable CONFIG_RANDOM_TRUST_CPU (BZ#1928027)

* [mm] mm, oom: remove oom_lock from oom_reaper (BZ#1929739)

* Configuring the system with non-RT kernel will hang the system
(BZ#1930737)

* fNIC driver needs a patch fix that addresses crash (BZ#1932460)

* OVS mistakenly using local IP as tun_dst for VXLAN packets (?)
(BZ#1944670)

Enhancement(s):

* mlx5: Hairpin Support in Switch Mode (BZ#1924690)

* Trace mode enablement in IMC to facilitate perf-kvm support (perf:)
(BZ#1929696)

* ice: Enable Flow Director Support (BZ#1930780)

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/):

1922249 - CVE-2021-3347 kernel: Use after free via PI futex state
1930078 - CVE-2021-27365 kernel: heap buffer overflow in the iSCSI subsystem
1930079 - CVE-2021-27363 kernel: iscsi: unrestricted access to sessions and handles
1930080 - CVE-2021-27364 kernel: out-of-bounds read in libiscsi module

6. Package List:

Red Hat Enterprise Linux BaseOS EUS (v. 8.2):

Source:
kernel-4.18.0-193.51.1.el8_2.src.rpm

aarch64:
bpftool-4.18.0-193.51.1.el8_2.aarch64.rpm
bpftool-debuginfo-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-core-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-cross-headers-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-debug-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-debug-core-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-debug-debuginfo-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-debug-devel-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-debug-modules-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-debug-modules-extra-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-debuginfo-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-devel-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-headers-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-modules-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-modules-extra-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-tools-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-tools-debuginfo-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-tools-libs-4.18.0-193.51.1.el8_2.aarch64.rpm
perf-4.18.0-193.51.1.el8_2.aarch64.rpm
perf-debuginfo-4.18.0-193.51.1.el8_2.aarch64.rpm
python3-perf-4.18.0-193.51.1.el8_2.aarch64.rpm
python3-perf-debuginfo-4.18.0-193.51.1.el8_2.aarch64.rpm

noarch:
kernel-abi-whitelists-4.18.0-193.51.1.el8_2.noarch.rpm
kernel-doc-4.18.0-193.51.1.el8_2.noarch.rpm

ppc64le:
bpftool-4.18.0-193.51.1.el8_2.ppc64le.rpm
bpftool-debuginfo-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-core-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-cross-headers-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-debug-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-debug-core-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-debug-devel-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-debug-modules-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-debuginfo-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-devel-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-headers-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-modules-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-modules-extra-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-tools-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-tools-libs-4.18.0-193.51.1.el8_2.ppc64le.rpm
perf-4.18.0-193.51.1.el8_2.ppc64le.rpm
perf-debuginfo-4.18.0-193.51.1.el8_2.ppc64le.rpm
python3-perf-4.18.0-193.51.1.el8_2.ppc64le.rpm
python3-perf-debuginfo-4.18.0-193.51.1.el8_2.ppc64le.rpm

s390x:
bpftool-4.18.0-193.51.1.el8_2.s390x.rpm
bpftool-debuginfo-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-core-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-cross-headers-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-debug-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-debug-core-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-debug-debuginfo-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-debug-devel-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-debug-modules-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-debug-modules-extra-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-debuginfo-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-devel-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-headers-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-modules-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-modules-extra-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-tools-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-tools-debuginfo-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-zfcpdump-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-zfcpdump-core-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-zfcpdump-devel-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-zfcpdump-modules-4.18.0-193.51.1.el8_2.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-193.51.1.el8_2.s390x.rpm
perf-4.18.0-193.51.1.el8_2.s390x.rpm
perf-debuginfo-4.18.0-193.51.1.el8_2.s390x.rpm
python3-perf-4.18.0-193.51.1.el8_2.s390x.rpm
python3-perf-debuginfo-4.18.0-193.51.1.el8_2.s390x.rpm

x86_64:
bpftool-4.18.0-193.51.1.el8_2.x86_64.rpm
bpftool-debuginfo-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-core-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-cross-headers-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-debug-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-debug-core-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-debug-debuginfo-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-debug-devel-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-debug-modules-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-debug-modules-extra-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-debuginfo-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-devel-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-headers-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-modules-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-modules-extra-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-tools-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-tools-debuginfo-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-tools-libs-4.18.0-193.51.1.el8_2.x86_64.rpm
perf-4.18.0-193.51.1.el8_2.x86_64.rpm
perf-debuginfo-4.18.0-193.51.1.el8_2.x86_64.rpm
python3-perf-4.18.0-193.51.1.el8_2.x86_64.rpm
python3-perf-debuginfo-4.18.0-193.51.1.el8_2.x86_64.rpm

Red Hat CodeReady Linux Builder EUS (v. 8.2):

aarch64:
bpftool-debuginfo-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-debug-debuginfo-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-debuginfo-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-tools-debuginfo-4.18.0-193.51.1.el8_2.aarch64.rpm
kernel-tools-libs-devel-4.18.0-193.51.1.el8_2.aarch64.rpm
perf-debuginfo-4.18.0-193.51.1.el8_2.aarch64.rpm
python3-perf-debuginfo-4.18.0-193.51.1.el8_2.aarch64.rpm

ppc64le:
bpftool-debuginfo-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-debuginfo-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-193.51.1.el8_2.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-193.51.1.el8_2.ppc64le.rpm
perf-debuginfo-4.18.0-193.51.1.el8_2.ppc64le.rpm
python3-perf-debuginfo-4.18.0-193.51.1.el8_2.ppc64le.rpm

x86_64:
bpftool-debuginfo-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-debug-debuginfo-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-debuginfo-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-tools-debuginfo-4.18.0-193.51.1.el8_2.x86_64.rpm
kernel-tools-libs-devel-4.18.0-193.51.1.el8_2.x86_64.rpm
perf-debuginfo-4.18.0-193.51.1.el8_2.x86_64.rpm
python3-perf-debuginfo-4.18.0-193.51.1.el8_2.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-2021-3347
https://access.redhat.com/security/cve/CVE-2021-27363
https://access.redhat.com/security/cve/CVE-2021-27364
https://access.redhat.com/security/cve/CVE-2021-27365
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2021 Red Hat, Inc.
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