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by - 10. travnja 2019.0

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Red Hat Security Advisory

Synopsis: Important: kernel security and bug fix update
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
CVE Names: CVE-2018-13405
=====================================================================

1. Summary:

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 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 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

3. Description:

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)

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/):

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

6. 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
kernel-devel-2.6.32-754.12.1.el6.x86_64.rpm
kernel-headers-2.6.32-754.12.1.el6.x86_64.rpm
perf-2.6.32-754.12.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-754.12.1.el6.i686.rpm
perf-debuginfo-2.6.32-754.12.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-754.12.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.12.1.el6.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

i386:
kernel-debug-debuginfo-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
perf-debuginfo-2.6.32-754.12.1.el6.i686.rpm
python-perf-2.6.32-754.12.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.12.1.el6.i686.rpm

x86_64:
kernel-debug-debuginfo-2.6.32-754.12.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-754.12.1.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-754.12.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-754.12.1.el6.x86_64.rpm
python-perf-2.6.32-754.12.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-754.12.1.el6.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
kernel-2.6.32-754.12.1.el6.src.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

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

Red Hat Enterprise Linux Server (v. 6):

Source:
kernel-2.6.32-754.12.1.el6.src.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

ppc64:
kernel-2.6.32-754.12.1.el6.ppc64.rpm
kernel-bootwrapper-2.6.32-754.12.1.el6.ppc64.rpm
kernel-debug-2.6.32-754.12.1.el6.ppc64.rpm
kernel-debug-debuginfo-2.6.32-754.12.1.el6.ppc64.rpm
kernel-debug-devel-2.6.32-754.12.1.el6.ppc64.rpm
kernel-debuginfo-2.6.32-754.12.1.el6.ppc64.rpm
kernel-debuginfo-common-ppc64-2.6.32-754.12.1.el6.ppc64.rpm
kernel-devel-2.6.32-754.12.1.el6.ppc64.rpm
kernel-headers-2.6.32-754.12.1.el6.ppc64.rpm
perf-2.6.32-754.12.1.el6.ppc64.rpm
perf-debuginfo-2.6.32-754.12.1.el6.ppc64.rpm
python-perf-debuginfo-2.6.32-754.12.1.el6.ppc64.rpm

s390x:
kernel-2.6.32-754.12.1.el6.s390x.rpm
kernel-debug-2.6.32-754.12.1.el6.s390x.rpm
kernel-debug-debuginfo-2.6.32-754.12.1.el6.s390x.rpm
kernel-debug-devel-2.6.32-754.12.1.el6.s390x.rpm
kernel-debuginfo-2.6.32-754.12.1.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-754.12.1.el6.s390x.rpm
kernel-devel-2.6.32-754.12.1.el6.s390x.rpm
kernel-headers-2.6.32-754.12.1.el6.s390x.rpm
kernel-kdump-2.6.32-754.12.1.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-754.12.1.el6.s390x.rpm
kernel-kdump-devel-2.6.32-754.12.1.el6.s390x.rpm
perf-2.6.32-754.12.1.el6.s390x.rpm
perf-debuginfo-2.6.32-754.12.1.el6.s390x.rpm
python-perf-debuginfo-2.6.32-754.12.1.el6.s390x.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

ppc64:
kernel-debug-debuginfo-2.6.32-754.12.1.el6.ppc64.rpm
kernel-debuginfo-2.6.32-754.12.1.el6.ppc64.rpm
kernel-debuginfo-common-ppc64-2.6.32-754.12.1.el6.ppc64.rpm
perf-debuginfo-2.6.32-754.12.1.el6.ppc64.rpm
python-perf-2.6.32-754.12.1.el6.ppc64.rpm
python-perf-debuginfo-2.6.32-754.12.1.el6.ppc64.rpm

s390x:
kernel-debug-debuginfo-2.6.32-754.12.1.el6.s390x.rpm
kernel-debuginfo-2.6.32-754.12.1.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-754.12.1.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-754.12.1.el6.s390x.rpm
perf-debuginfo-2.6.32-754.12.1.el6.s390x.rpm
python-perf-2.6.32-754.12.1.el6.s390x.rpm
python-perf-debuginfo-2.6.32-754.12.1.el6.s390x.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
kernel-2.6.32-754.12.1.el6.src.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

Red Hat Enterprise Linux Workstation Optional (v. 6):

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-2018-13405
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/

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