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RedHat RHSA-2019-0641-01 Important: Kernel-Rt Security Update

red hat
Calendar Grey March 26, 2019
Dist Redhat Esm H88
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ====================================================
An update for kernel-rt is now available for Red Hat Enterprise MRG 2

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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* kernel: MIDI driver race condition leads to a double-free (CVE-2018-10902)
* kernel: net/rxrpc: overflow in decoding of krb5 principal (CVE-2017-7482)
* kernel: Missing length check of payload in net/sctp/sm_make_chunk.c:_sctp_make_chunk() function allows denial of service (CVE-2018-5803)
* kernel: use-after-free in ntfs_read_locked_inode in the ntfs.ko (CVE-2018-12929)
* kernel: stack-based out-of-bounds write in ntfs_end_buffer_async_read in the ntfs.ko (CVE-2018-12930)
* kernel: stack-based out-of-bounds write in ntfs_attr_find in the ntfs.ko (CVE-2018-12931)
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):
* Remove the NTFS module from the MRG 2.5.x realtime kernel (BZ#1674523)
* update the MRG 2.5.z 3.10 kernel-rt sources (BZ#1674935)
Users of kernel-rt are advised to upgrade to these updated packages, which fix these bugs.

Topics%20covered

Topics Covered

security advisory denial of service Red Hat bug fix important security impact kernel-rt

References

https://access.redhat.com/security/cve/CVE-2017-7482 https://access.redhat.com/security/cve/CVE-2018-5803 https://access.redhat.com/security/cve/CVE-2018-10902 https://access.redhat.com/security/cve/CVE-2018-12929 https://access.redhat.com/security/cve/CVE-2018-12930 https://access.redhat.com/security/cve/CVE-2018-12931 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat MRG Realtime for RHEL 6 Server v.2:
Source: kernel-rt-3.10.0-693.46.1.rt56.639.el6rt.src.rpm
noarch: kernel-rt-doc-3.10.0-693.46.1.rt56.639.el6rt.noarch.rpm kernel-rt-firmware-3.10.0-693.46.1.rt56.639.el6rt.noarch.rpm
x86_64: kernel-rt-3.10.0-693.46.1.rt56.639.el6rt.x86_64.rpm kernel-rt-debug-3.10.0-693.46.1.rt56.639.el6rt.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-693.46.1.rt56.639.el6rt.x86_64.rpm kernel-rt-debug-devel-3.10.0-693.46.1.rt56.639.el6rt.x86_64.rpm kernel-rt-debuginfo-3.10.0-693.46.1.rt56.639.el6rt.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-693.46.1.rt56.639.el6rt.x86_64.rpm kernel-rt-devel-3.10.0-693.46.1.rt56.639.el6rt.x86_64.rpm kernel-rt-trace-3.10.0-693.46.1.rt56.639.el6rt.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-693.46.1.rt56.639.el6rt.x86_64.rpm kernel-rt-trace-devel-3.10.0-693.46.1.rt56.639.el6rt.x86_64.rpm kernel-rt-vanilla-3.10.0-693.46.1.rt56.639.el6rt.x86_64.rpm kernel-rt-vanilla-debuginfo-3.10.0-693.46.1.rt56.639.el6rt.x86_64.rpm kernel-rt-vanilla-devel-3.10.0-693.46.1.rt56.639.el6rt.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


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:0641-01
Product: Red Hat Enterprise MRG for RHEL-6
Advisory URL: https://access.redhat.com/errata/RHSA-2019:0641
Issue date: 2019-03-26

Topic

An update for kernel-rt is now available for Red Hat Enterprise MRG 2.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory denial of service Red Hat bug fix important security impact kernel-rt

Relevant Releases Architectures

Red Hat MRG Realtime for RHEL 6 Server v.2 - noarch, x86_64

Bugs Fixed

1446288 - CVE-2017-7482 kernel: net/rxrpc: overflow in decoding of krb5 principal

1551051 - CVE-2018-5803 kernel: Missing length check of payload in net/sctp/sm_make_chunk.c:_sctp_make_chunk() function allows denial of service

1590720 - CVE-2018-10902 kernel: MIDI driver race condition leads to a double-free

1597831 - CVE-2018-12929 kernel: use-after-free in ntfs_read_locked_inode in the ntfs.ko

1597837 - CVE-2018-12930 kernel: stack-based out-of-bounds write in ntfs_end_buffer_async_read in the ntfs.ko

1597843 - CVE-2018-12931 kernel: stack-based out-of-bounds write in ntfs_attr_find in the ntfs.ko

1674935 - update the MRG 2.5.z 3.10 kernel-rt sources

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