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Red Hat Enterprise Linux 7: RHSA-2019-3217-01 Important Kernel-Alt Update

red hat
Calendar Grey October 29, 2019
Dist Redhat Esm H88
Strengthen your security on Red Hat Enterprise Linux 7 by applying essential kernel-alt patches. These updates address vulnerabilities and enhance stability
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

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.

Summary

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)

Topics%20covered

Topics Covered

security advisory buffer overflow DoS security fix Red Hat Enterprise Linux Important kernel-alt

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

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

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

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

Topic

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.

Topics%20covered

Topics Covered

security advisory buffer overflow DoS security fix Red Hat Enterprise Linux Important kernel-alt

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

Bugs Fixed

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

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