A kernel security and bug fix update has been released for Red Hat Enterprise Linux 8.1.
RHSA-2020:4287-01: Important: kernel security and bug fix update
=====================================================================
Red Hat Security Advisory
Synopsis: Important: kernel security and bug fix update
Advisory ID: RHSA-2020:4287-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4287
Issue date: 2020-10-20
CVE Names: CVE-2020-12351 CVE-2020-12352 CVE-2020-14385
CVE-2020-14386
=====================================================================
1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 8.1
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. 8.1) - aarch64, ppc64le, x86_64
Red Hat Enterprise Linux BaseOS EUS (v. 8.1) - 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: net: bluetooth: type confusion while processing AMP packets
(CVE-2020-12351)
* kernel: net: bluetooth: information leak when processing certain AMP
packets (CVE-2020-12352)
* kernel: metadata validator in XFS may cause an inode with a valid,
user-creatable extended attribute to be flagged as corrupt (CVE-2020-14385)
* kernel: memory corruption in net/packet/af_packet.c leads to elevation of
privilege (CVE-2020-14386)
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):
* NFS client autodisconnect timer may fire immediately after TCP connection
setup and may cause DoS type reconnect problem in complex network
environments (BZ#1873571)
* hang on full fs from trace_cmd (BZ#1875789)
* Secure boot key is not loaded with kernel-4.18.0-232.el8.x86_64 /
shim-x64-15-15 (BZ#1877527)
* [RHEL-8.3] Kdump failed to start when secure boot enabled:
kexec_file_load failed: Required key not available (BZ#1877529)
* [RHEL-8.3] Kdump/kexec kernel panicked on EFI boot: general protection
fault: 0000 [#1] SMP PTI (BZ#1879987)
* [conntrack] udp packet reverse NAT occasionally fail when race condition
request combination with the DNAT load balancing rules (BZ#1882096)
* [Regression] RHEL8.3 Beta - Do not initiate shutdown for
EPOW_SHUTDOWN_ON_UPS event (BZ#1882244)
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/):
1874800 - CVE-2020-14385 kernel: metadata validator in XFS may cause an inode with a valid, user-creatable extended attribute to be flagged as corrupt
1875699 - CVE-2020-14386 kernel: memory corruption in net/packet/af_packet.c leads to elevation of privilege
1886521 - CVE-2020-12351 kernel: net: bluetooth: type confusion while processing AMP packets
1886529 - CVE-2020-12352 kernel: net: bluetooth: information leak when processing certain AMP packets
6. Package List:
Red Hat Enterprise Linux BaseOS EUS (v. 8.1):
Source:
kernel-4.18.0-147.32.1.el8_1.src.rpm
aarch64:
bpftool-4.18.0-147.32.1.el8_1.aarch64.rpm
bpftool-debuginfo-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-core-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-cross-headers-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-debug-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-debug-core-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-debug-debuginfo-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-debug-devel-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-debug-modules-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-debug-modules-extra-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-debuginfo-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-devel-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-headers-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-modules-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-modules-extra-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-tools-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-tools-debuginfo-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-tools-libs-4.18.0-147.32.1.el8_1.aarch64.rpm
perf-4.18.0-147.32.1.el8_1.aarch64.rpm
perf-debuginfo-4.18.0-147.32.1.el8_1.aarch64.rpm
python3-perf-4.18.0-147.32.1.el8_1.aarch64.rpm
python3-perf-debuginfo-4.18.0-147.32.1.el8_1.aarch64.rpm
noarch:
kernel-abi-whitelists-4.18.0-147.32.1.el8_1.noarch.rpm
kernel-doc-4.18.0-147.32.1.el8_1.noarch.rpm
ppc64le:
bpftool-4.18.0-147.32.1.el8_1.ppc64le.rpm
bpftool-debuginfo-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-core-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-cross-headers-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-debug-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-debug-core-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-debug-devel-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-debug-modules-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-debuginfo-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-devel-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-headers-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-modules-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-modules-extra-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-tools-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-tools-libs-4.18.0-147.32.1.el8_1.ppc64le.rpm
perf-4.18.0-147.32.1.el8_1.ppc64le.rpm
perf-debuginfo-4.18.0-147.32.1.el8_1.ppc64le.rpm
python3-perf-4.18.0-147.32.1.el8_1.ppc64le.rpm
python3-perf-debuginfo-4.18.0-147.32.1.el8_1.ppc64le.rpm
s390x:
bpftool-4.18.0-147.32.1.el8_1.s390x.rpm
bpftool-debuginfo-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-core-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-cross-headers-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-debug-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-debug-core-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-debug-debuginfo-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-debug-devel-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-debug-modules-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-debug-modules-extra-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-debuginfo-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-devel-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-headers-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-modules-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-modules-extra-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-tools-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-tools-debuginfo-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-zfcpdump-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-zfcpdump-core-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-zfcpdump-devel-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-zfcpdump-modules-4.18.0-147.32.1.el8_1.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-147.32.1.el8_1.s390x.rpm
perf-4.18.0-147.32.1.el8_1.s390x.rpm
perf-debuginfo-4.18.0-147.32.1.el8_1.s390x.rpm
python3-perf-4.18.0-147.32.1.el8_1.s390x.rpm
python3-perf-debuginfo-4.18.0-147.32.1.el8_1.s390x.rpm
x86_64:
bpftool-4.18.0-147.32.1.el8_1.x86_64.rpm
bpftool-debuginfo-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-core-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-cross-headers-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-debug-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-debug-core-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-debug-debuginfo-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-debug-devel-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-debug-modules-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-debug-modules-extra-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-debuginfo-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-devel-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-headers-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-modules-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-modules-extra-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-tools-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-tools-debuginfo-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-tools-libs-4.18.0-147.32.1.el8_1.x86_64.rpm
perf-4.18.0-147.32.1.el8_1.x86_64.rpm
perf-debuginfo-4.18.0-147.32.1.el8_1.x86_64.rpm
python3-perf-4.18.0-147.32.1.el8_1.x86_64.rpm
python3-perf-debuginfo-4.18.0-147.32.1.el8_1.x86_64.rpm
Red Hat CodeReady Linux Builder EUS (v. 8.1):
aarch64:
bpftool-debuginfo-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-debug-debuginfo-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-debuginfo-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-tools-debuginfo-4.18.0-147.32.1.el8_1.aarch64.rpm
kernel-tools-libs-devel-4.18.0-147.32.1.el8_1.aarch64.rpm
perf-debuginfo-4.18.0-147.32.1.el8_1.aarch64.rpm
python3-perf-debuginfo-4.18.0-147.32.1.el8_1.aarch64.rpm
ppc64le:
bpftool-debuginfo-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-debuginfo-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-147.32.1.el8_1.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-147.32.1.el8_1.ppc64le.rpm
perf-debuginfo-4.18.0-147.32.1.el8_1.ppc64le.rpm
python3-perf-debuginfo-4.18.0-147.32.1.el8_1.ppc64le.rpm
x86_64:
bpftool-debuginfo-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-debug-debuginfo-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-debuginfo-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-tools-debuginfo-4.18.0-147.32.1.el8_1.x86_64.rpm
kernel-tools-libs-devel-4.18.0-147.32.1.el8_1.x86_64.rpm
perf-debuginfo-4.18.0-147.32.1.el8_1.x86_64.rpm
python3-perf-debuginfo-4.18.0-147.32.1.el8_1.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-2020-12351
https://access.redhat.com/security/cve/CVE-2020-12352
https://access.redhat.com/security/cve/CVE-2020-14385
https://access.redhat.com/security/cve/CVE-2020-14386
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/BleedingTooth
8. Contact:
The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
