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Red Hat Security Advisory
Synopsis: Moderate: kernel-alt security and bug fix update
Advisory ID: RHSA-2020:3545-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3545
Issue date: 2020-08-25
CVE Names: CVE-2019-19046 CVE-2020-10769 CVE-2020-12655
=====================================================================
1. Summary:
An update for kernel-alt is now available for Red Hat Enterprise Linux 7.
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 Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) – aarch64, noarch, ppc64le, s390x
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) – aarch64, noarch, ppc64le
3. Description:
The kernel-alt packages provide the Linux kernel version 4.x.
Security Fix(es):
* kernel: Denial Of Service in the __ipmi_bmc_register() function in
drivers/char/ipmi/ipmi_msghandler.c (CVE-2019-19046)
* kernel: Buffer over-read in crypto_authenc_extractkeys() when a payload
longer than 4 bytes is not aligned. (CVE-2020-10769)
* kernel: sync of excessive duration via an XFS v5 image with crafted
metadata (CVE-2020-12655)
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):
* list corruption in iscsi_queuecommand (BZ#1839622)
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/):
1708775 – CVE-2020-10769 kernel: Buffer over-read in crypto_authenc_extractkeys() when a payload longer than 4 bytes is not aligned.
1774988 – CVE-2019-19046 kernel: Denial Of Service in the __ipmi_bmc_register() function in drivers/char/ipmi/ipmi_msghandler.c
1832543 – CVE-2020-12655 kernel: sync of excessive duration via an XFS v5 image with crafted metadata
6. Package List:
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source:
kernel-alt-4.14.0-115.29.1.el7a.src.rpm
aarch64:
kernel-4.14.0-115.29.1.el7a.aarch64.rpm
kernel-debug-4.14.0-115.29.1.el7a.aarch64.rpm
kernel-debug-debuginfo-4.14.0-115.29.1.el7a.aarch64.rpm
kernel-debug-devel-4.14.0-115.29.1.el7a.aarch64.rpm
kernel-debuginfo-4.14.0-115.29.1.el7a.aarch64.rpm
kernel-debuginfo-common-aarch64-4.14.0-115.29.1.el7a.aarch64.rpm
kernel-devel-4.14.0-115.29.1.el7a.aarch64.rpm
kernel-headers-4.14.0-115.29.1.el7a.aarch64.rpm
kernel-tools-4.14.0-115.29.1.el7a.aarch64.rpm
kernel-tools-debuginfo-4.14.0-115.29.1.el7a.aarch64.rpm
kernel-tools-libs-4.14.0-115.29.1.el7a.aarch64.rpm
perf-4.14.0-115.29.1.el7a.aarch64.rpm
perf-debuginfo-4.14.0-115.29.1.el7a.aarch64.rpm
python-perf-4.14.0-115.29.1.el7a.aarch64.rpm
python-perf-debuginfo-4.14.0-115.29.1.el7a.aarch64.rpm
noarch:
kernel-abi-whitelists-4.14.0-115.29.1.el7a.noarch.rpm
kernel-doc-4.14.0-115.29.1.el7a.noarch.rpm
ppc64le:
kernel-4.14.0-115.29.1.el7a.ppc64le.rpm
kernel-bootwrapper-4.14.0-115.29.1.el7a.ppc64le.rpm
kernel-debug-4.14.0-115.29.1.el7a.ppc64le.rpm
kernel-debug-debuginfo-4.14.0-115.29.1.el7a.ppc64le.rpm
kernel-debuginfo-4.14.0-115.29.1.el7a.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.14.0-115.29.1.el7a.ppc64le.rpm
kernel-devel-4.14.0-115.29.1.el7a.ppc64le.rpm
kernel-headers-4.14.0-115.29.1.el7a.ppc64le.rpm
kernel-tools-4.14.0-115.29.1.el7a.ppc64le.rpm
kernel-tools-debuginfo-4.14.0-115.29.1.el7a.ppc64le.rpm
kernel-tools-libs-4.14.0-115.29.1.el7a.ppc64le.rpm
perf-4.14.0-115.29.1.el7a.ppc64le.rpm
perf-debuginfo-4.14.0-115.29.1.el7a.ppc64le.rpm
python-perf-4.14.0-115.29.1.el7a.ppc64le.rpm
python-perf-debuginfo-4.14.0-115.29.1.el7a.ppc64le.rpm
s390x:
kernel-4.14.0-115.29.1.el7a.s390x.rpm
kernel-debug-4.14.0-115.29.1.el7a.s390x.rpm
kernel-debug-debuginfo-4.14.0-115.29.1.el7a.s390x.rpm
kernel-debug-devel-4.14.0-115.29.1.el7a.s390x.rpm
kernel-debuginfo-4.14.0-115.29.1.el7a.s390x.rpm
kernel-debuginfo-common-s390x-4.14.0-115.29.1.el7a.s390x.rpm
kernel-devel-4.14.0-115.29.1.el7a.s390x.rpm
kernel-headers-4.14.0-115.29.1.el7a.s390x.rpm
kernel-kdump-4.14.0-115.29.1.el7a.s390x.rpm
kernel-kdump-debuginfo-4.14.0-115.29.1.el7a.s390x.rpm
kernel-kdump-devel-4.14.0-115.29.1.el7a.s390x.rpm
perf-4.14.0-115.29.1.el7a.s390x.rpm
perf-debuginfo-4.14.0-115.29.1.el7a.s390x.rpm
python-perf-4.14.0-115.29.1.el7a.s390x.rpm
python-perf-debuginfo-4.14.0-115.29.1.el7a.s390x.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):
aarch64:
kernel-debug-debuginfo-4.14.0-115.29.1.el7a.aarch64.rpm
kernel-debuginfo-4.14.0-115.29.1.el7a.aarch64.rpm
kernel-debuginfo-common-aarch64-4.14.0-115.29.1.el7a.aarch64.rpm
kernel-tools-debuginfo-4.14.0-115.29.1.el7a.aarch64.rpm
kernel-tools-libs-devel-4.14.0-115.29.1.el7a.aarch64.rpm
perf-debuginfo-4.14.0-115.29.1.el7a.aarch64.rpm
python-perf-debuginfo-4.14.0-115.29.1.el7a.aarch64.rpm
noarch:
kernel-doc-4.14.0-115.29.1.el7a.noarch.rpm
ppc64le:
kernel-debug-debuginfo-4.14.0-115.29.1.el7a.ppc64le.rpm
kernel-debug-devel-4.14.0-115.29.1.el7a.ppc64le.rpm
kernel-debuginfo-4.14.0-115.29.1.el7a.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.14.0-115.29.1.el7a.ppc64le.rpm
kernel-tools-debuginfo-4.14.0-115.29.1.el7a.ppc64le.rpm
kernel-tools-libs-devel-4.14.0-115.29.1.el7a.ppc64le.rpm
perf-debuginfo-4.14.0-115.29.1.el7a.ppc64le.rpm
python-perf-debuginfo-4.14.0-115.29.1.el7a.ppc64le.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-2019-19046
https://access.redhat.com/security/cve/CVE-2020-10769
https://access.redhat.com/security/cve/CVE-2020-12655
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
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