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AUSCERT External Security Bulletin Redistribution
ESB-2019.3997
kernel-alt security and bug fix update
30 October 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: kernel-alt
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Impact/Access: Increased Privileges -- Remote/Unauthenticated
Access Privileged Data -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-11810 CVE-2019-9506 CVE-2019-9500
CVE-2018-20856 CVE-2018-10902
Reference: ASB-2019.0238
ESB-2019.3990
ESB-2019.3895.2
ESB-2019.3868.3
Original Bulletin:
https://access.redhat.com/errata/RHSA-2019:3217
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Red Hat Security Advisory
Synopsis: Important: kernel-alt security and bug fix update
Advisory ID: RHSA-2019:3217-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3217
Issue date: 2019-10-29
CVE Names: CVE-2018-10902 CVE-2018-20856 CVE-2019-9500
CVE-2019-9506 CVE-2019-11810
=====================================================================
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 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 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: MIDI driver race condition leads to a double-free
(CVE-2018-10902)
* kernel: Use-after-free in __blk_drain_queue() function in
block/blk-core.c (CVE-2018-20856)
* kernel: brcmfmac heap buffer overflow in brcmf_wowl_nd_results
(CVE-2019-9500)
* hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB)
(CVE-2019-9506)
* kernel: a NULL pointer dereference in
drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS (CVE-2019-11810)
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):
* kernel modules pkey and paes_s390 are not available (BZ#1719192)
* pkey: Indicate old mkvp only if old and curr. mkvp are different
(BZ#1720621)
* System dropped into Mon running softboots Exception: 501 (Hardware
Interrupt) at c00000000000a814 replay_interrupt_return+0x0/0x4 (ipmi)
(BZ#1737563)
* kernel: jump label transformation performance (BZ#1739143)
* Backport i40e MDD detection removal for PFs (BZ#1747618)
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/):
1590720 - CVE-2018-10902 kernel: MIDI driver race condition leads to a double-free
1701224 - CVE-2019-9500 kernel: brcmfmac heap buffer overflow in brcmf_wowl_nd_results
1709164 - CVE-2019-11810 kernel: a NULL pointer dereference in drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS
1727857 - CVE-2019-9506 hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB)
1738705 - CVE-2018-20856 kernel: Use-after-free in __blk_drain_queue() function in block/blk-core.c
6. Package List:
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source:
kernel-alt-4.14.0-115.14.1.el7a.src.rpm
aarch64:
kernel-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-debug-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-debug-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-debug-devel-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-debuginfo-common-aarch64-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-devel-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-headers-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-tools-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-tools-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-tools-libs-4.14.0-115.14.1.el7a.aarch64.rpm
perf-4.14.0-115.14.1.el7a.aarch64.rpm
perf-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
python-perf-4.14.0-115.14.1.el7a.aarch64.rpm
python-perf-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
noarch:
kernel-abi-whitelists-4.14.0-115.14.1.el7a.noarch.rpm
kernel-doc-4.14.0-115.14.1.el7a.noarch.rpm
ppc64le:
kernel-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-bootwrapper-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-debug-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-debug-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-devel-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-headers-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-tools-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-tools-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-tools-libs-4.14.0-115.14.1.el7a.ppc64le.rpm
perf-4.14.0-115.14.1.el7a.ppc64le.rpm
perf-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
python-perf-4.14.0-115.14.1.el7a.ppc64le.rpm
python-perf-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
s390x:
kernel-4.14.0-115.14.1.el7a.s390x.rpm
kernel-debug-4.14.0-115.14.1.el7a.s390x.rpm
kernel-debug-debuginfo-4.14.0-115.14.1.el7a.s390x.rpm
kernel-debug-devel-4.14.0-115.14.1.el7a.s390x.rpm
kernel-debuginfo-4.14.0-115.14.1.el7a.s390x.rpm
kernel-debuginfo-common-s390x-4.14.0-115.14.1.el7a.s390x.rpm
kernel-devel-4.14.0-115.14.1.el7a.s390x.rpm
kernel-headers-4.14.0-115.14.1.el7a.s390x.rpm
kernel-kdump-4.14.0-115.14.1.el7a.s390x.rpm
kernel-kdump-debuginfo-4.14.0-115.14.1.el7a.s390x.rpm
kernel-kdump-devel-4.14.0-115.14.1.el7a.s390x.rpm
perf-4.14.0-115.14.1.el7a.s390x.rpm
perf-debuginfo-4.14.0-115.14.1.el7a.s390x.rpm
python-perf-4.14.0-115.14.1.el7a.s390x.rpm
python-perf-debuginfo-4.14.0-115.14.1.el7a.s390x.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):
aarch64:
kernel-debug-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-debuginfo-common-aarch64-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-tools-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
kernel-tools-libs-devel-4.14.0-115.14.1.el7a.aarch64.rpm
perf-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
python-perf-debuginfo-4.14.0-115.14.1.el7a.aarch64.rpm
noarch:
kernel-doc-4.14.0-115.14.1.el7a.noarch.rpm
ppc64le:
kernel-debug-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-debug-devel-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-tools-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
kernel-tools-libs-devel-4.14.0-115.14.1.el7a.ppc64le.rpm
perf-debuginfo-4.14.0-115.14.1.el7a.ppc64le.rpm
python-perf-debuginfo-4.14.0-115.14.1.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-2018-10902
https://access.redhat.com/security/cve/CVE-2018-20856
https://access.redhat.com/security/cve/CVE-2019-9500
https://access.redhat.com/security/cve/CVE-2019-9506
https://access.redhat.com/security/cve/CVE-2019-11810
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2019 Red Hat, Inc.
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