A kernel security, bug fix, and enhancement update has been released for Red Hat Enterprise Linux 8.2.
RHSA-2021:1272-01: Important: kernel security, bug fix, and enhancement update
=====================================================================
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.
