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Red Hat Enterprise Linux 6 RHSA-2019:0717-01 Important Kernel Security

red hat
Calendar Grey April 9, 2019
Dist Redhat Esm H88
Kernel security and patch enhancement release for Red Hat Enterprise Linux featuring significant implications and comprehensive vulnerability insights.
An update for kernel is now available for Red Hat Enterprise Linux 6

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 packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: Missing check in fs/inode.c:inode_init_owner() does not clear SGID bit on non-directories for non-members (CVE-2018-13405)
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):
* sched/sysctl: Check user input value of sysctl_sched_time_avg (BZ#1579128)
* unable to handle kernel NULL pointer dereference at 000000000000005d in tcp_enter_frto+0x102 (BZ#1585892)
* qla2xxx: Mask Off Scope bits for Retry delay timer in the driver (BZ#1588133)
* [PATCH] perf: Fix a race between ring_buffer_detach() and ring_buffer_wakeup() (BZ#1589340)
* RHEL6.10 - kernel: improve spectre mitigation for s390x (BZ#1625381)
* kernel panic due to NULL pointer dereference in __wake_up_common through perf_event_wakeup (BZ#1627672)
* After upgrading from rhel 6.9 to rhel 6.10, files in a cifs share can't be read (BZ#1636484)
* Retpoline impact on vdso gettimeofday performance (BZ#1638552)
* [RHEL 6.10] 32-bit kernel-2.6.32-754.3.5 registers the swap of 4k size only (BZ#1670328)

Topics%20covered

Topics Covered

security advisory security issue kernel update bug fix Red Hat Enterprise Linux important kernel

References

https://access.redhat.com/security/cve/CVE-2018-13405 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Desktop (v. 6):
Source: kernel-2.6.32-754.12.1.el6.src.rpm
i386: kernel-2.6.32-754.12.1.el6.i686.rpm kernel-debug-2.6.32-754.12.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-754.12.1.el6.i686.rpm kernel-debug-devel-2.6.32-754.12.1.el6.i686.rpm kernel-debuginfo-2.6.32-754.12.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-754.12.1.el6.i686.rpm kernel-devel-2.6.32-754.12.1.el6.i686.rpm kernel-headers-2.6.32-754.12.1.el6.i686.rpm perf-2.6.32-754.12.1.el6.i686.rpm perf-debuginfo-2.6.32-754.12.1.el6.i686.rpm python-perf-debuginfo-2.6.32-754.12.1.el6.i686.rpm
noarch: kernel-abi-whitelists-2.6.32-754.12.1.el6.noarch.rpm kernel-doc-2.6.32-754.12.1.el6.noarch.rpm kernel-firmware-2.6.32-754.12.1.el6.noarch.rpm
x86_64: kernel-2.6.32-754.12.1.el6.x86_64.rpm kernel-debug-2.6.32-754.12.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-754.12.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-754.12.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-754.12.1.el6.i686.rpm kernel-debug-devel-2.6.32-754.12.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-754.12.1.el6.i686.rpm kernel-debuginfo-2.6.32-754.12.1.el6.x86_64.rpm kernel-debuginfo-common-i686-2.6.32-754.12.1.el6.i686.rpm kernel-debuginfo-common-x86_64-2.6.32-754.12.1.el6.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:0717-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:0717
Issue date: 2019-04-09

Topic

An update for kernel is now available for Red Hat Enterprise Linux 6.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 security issue kernel update bug fix Red Hat Enterprise Linux important kernel

Relevant Releases Architectures

Red Hat Enterprise Linux Desktop (v. 6) - i386, noarch, x86_64

Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64

Red Hat Enterprise Linux HPC Node (v. 6) - noarch, x86_64

Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64

Red Hat Enterprise Linux Server (v. 6) - i386, noarch, ppc64, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 6) - i386, noarch, x86_64

Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

Bugs Fixed

1599161 - CVE-2018-13405 kernel: Missing check in fs/inode.c:inode_init_owner() does not clear SGID bit on non-directories for non-members

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