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====================================================================                   Red Hat Security Advisory

Synopsis:          Important: kernel-alt security and bug fix update
Advisory ID:       RHSA-2020:2104-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:2104
Issue date:        2020-05-12
CVE Names:         CVE-2017-18551 CVE-2017-18595 CVE-2019-9454 
                   CVE-2019-12614 CVE-2019-15538 CVE-2019-19447 
                   CVE-2019-19524 CVE-2019-19768 CVE-2020-9383 
                   CVE-2020-10711 
====================================================================
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: double free may be caused by the function allocate_trace_buffer
in the file kernel/trace/trace.c (CVE-2017-18595)

* kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c
(CVE-2019-19768)

* Kernel: NetLabel: null pointer dereference while receiving CIPSO packet
with null category may cause kernel panic (CVE-2020-10711)

* kernel: out of bounds write in function i2c_smbus_xfer_emulated in
drivers/i2c/i2c-core-smbus.c (CVE-2017-18551)

* kernel: out of bounds write in i2c driver leads to local escalation of
privilege (CVE-2019-9454)

* kernel: denial of service in in xfs_setattr_nonsize in fs/xfs/xfs_iops.c
(CVE-2019-15538)

* kernel: mounting a crafted ext4 filesystem image, performing some
operations, and unmounting can lead to a use-after-free in ext4_put_super
in fs/ext4/super.c (CVE-2019-19447)

* kernel: a malicious USB device in the drivers/input/ff-memless.c leads to
use-after-free (CVE-2019-19524)

* kernel: out-of-bounds read in set_fdc in drivers/block/floppy.c
(CVE-2020-9383)

* kernel: null pointer dereference in dlpar_parse_cc_property in
arch/powerrc/platforms/pseries/dlpar.c causing denial of service
(CVE-2019-12614)

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):

* [7.5-alt][ext4/xfstests generic/468] fix fdatasync(2) after fallocate(2)
operation (upstream fixed) [rhel-alt-7.6.z] (BZ#1554273)

* [RHEL-ALT-7.6.z][arm64] CN99xx: DIMM errors not populated in EDAC sysfs
(BZ#1778697)

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/):

1718176 - CVE-2019-12614 kernel: null pointer dereference in dlpar_parse_cc_property in arch/powerrc/platforms/pseries/dlpar.c causing denial of service
1746777 - CVE-2019-15538 kernel: denial of service in in xfs_setattr_nonsize in fs/xfs/xfs_iops.c
1757368 - CVE-2017-18551 kernel: out of bounds write in function i2c_smbus_xfer_emulated in drivers/i2c/i2c-core-smbus.c
1758671 - CVE-2017-18595 kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c
1781679 - CVE-2019-19447 kernel: mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c
1783459 - CVE-2019-19524 kernel: a malicious USB device in the drivers/input/ff-memless.c leads to use-after-free
1786164 - CVE-2019-19768 kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c
1810685 - CVE-2020-9383 kernel: out-of-bounds read in set_fdc in drivers/block/floppy.c
1818818 - CVE-2019-9454 kernel: out of bounds write in i2c driver leads to local escalation of privilege
1825116 - CVE-2020-10711 Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic

6. Package List:

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):

Source:
kernel-alt-4.14.0-115.21.2.el7a.src.rpm

aarch64:
kernel-4.14.0-115.21.2.el7a.aarch64.rpm
kernel-debug-4.14.0-115.21.2.el7a.aarch64.rpm
kernel-debug-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm
kernel-debug-devel-4.14.0-115.21.2.el7a.aarch64.rpm
kernel-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm
kernel-debuginfo-common-aarch64-4.14.0-115.21.2.el7a.aarch64.rpm
kernel-devel-4.14.0-115.21.2.el7a.aarch64.rpm
kernel-headers-4.14.0-115.21.2.el7a.aarch64.rpm
kernel-tools-4.14.0-115.21.2.el7a.aarch64.rpm
kernel-tools-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm
kernel-tools-libs-4.14.0-115.21.2.el7a.aarch64.rpm
perf-4.14.0-115.21.2.el7a.aarch64.rpm
perf-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm
python-perf-4.14.0-115.21.2.el7a.aarch64.rpm
python-perf-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm

noarch:
kernel-abi-whitelists-4.14.0-115.21.2.el7a.noarch.rpm
kernel-doc-4.14.0-115.21.2.el7a.noarch.rpm

ppc64le:
kernel-4.14.0-115.21.2.el7a.ppc64le.rpm
kernel-bootwrapper-4.14.0-115.21.2.el7a.ppc64le.rpm
kernel-debug-4.14.0-115.21.2.el7a.ppc64le.rpm
kernel-debug-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm
kernel-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.14.0-115.21.2.el7a.ppc64le.rpm
kernel-devel-4.14.0-115.21.2.el7a.ppc64le.rpm
kernel-headers-4.14.0-115.21.2.el7a.ppc64le.rpm
kernel-tools-4.14.0-115.21.2.el7a.ppc64le.rpm
kernel-tools-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm
kernel-tools-libs-4.14.0-115.21.2.el7a.ppc64le.rpm
perf-4.14.0-115.21.2.el7a.ppc64le.rpm
perf-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm
python-perf-4.14.0-115.21.2.el7a.ppc64le.rpm
python-perf-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm

s390x:
kernel-4.14.0-115.21.2.el7a.s390x.rpm
kernel-debug-4.14.0-115.21.2.el7a.s390x.rpm
kernel-debug-debuginfo-4.14.0-115.21.2.el7a.s390x.rpm
kernel-debug-devel-4.14.0-115.21.2.el7a.s390x.rpm
kernel-debuginfo-4.14.0-115.21.2.el7a.s390x.rpm
kernel-debuginfo-common-s390x-4.14.0-115.21.2.el7a.s390x.rpm
kernel-devel-4.14.0-115.21.2.el7a.s390x.rpm
kernel-headers-4.14.0-115.21.2.el7a.s390x.rpm
kernel-kdump-4.14.0-115.21.2.el7a.s390x.rpm
kernel-kdump-debuginfo-4.14.0-115.21.2.el7a.s390x.rpm
kernel-kdump-devel-4.14.0-115.21.2.el7a.s390x.rpm
perf-4.14.0-115.21.2.el7a.s390x.rpm
perf-debuginfo-4.14.0-115.21.2.el7a.s390x.rpm
python-perf-4.14.0-115.21.2.el7a.s390x.rpm
python-perf-debuginfo-4.14.0-115.21.2.el7a.s390x.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):

aarch64:
kernel-debug-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm
kernel-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm
kernel-debuginfo-common-aarch64-4.14.0-115.21.2.el7a.aarch64.rpm
kernel-tools-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm
kernel-tools-libs-devel-4.14.0-115.21.2.el7a.aarch64.rpm
perf-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm
python-perf-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm

noarch:
kernel-doc-4.14.0-115.21.2.el7a.noarch.rpm

ppc64le:
kernel-debug-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm
kernel-debug-devel-4.14.0-115.21.2.el7a.ppc64le.rpm
kernel-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.14.0-115.21.2.el7a.ppc64le.rpm
kernel-tools-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm
kernel-tools-libs-devel-4.14.0-115.21.2.el7a.ppc64le.rpm
perf-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm
python-perf-debuginfo-4.14.0-115.21.2.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-2017-18551
https://access.redhat.com/security/cve/CVE-2017-18595
https://access.redhat.com/security/cve/CVE-2019-9454
https://access.redhat.com/security/cve/CVE-2019-12614
https://access.redhat.com/security/cve/CVE-2019-15538
https://access.redhat.com/security/cve/CVE-2019-19447
https://access.redhat.com/security/cve/CVE-2019-19524
https://access.redhat.com/security/cve/CVE-2019-19768
https://access.redhat.com/security/cve/CVE-2020-9383
https://access.redhat.com/security/cve/CVE-2020-10711
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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RedHat: RHSA-2020-2104:01 Important: kernel-alt security and bug fix update

An update for kernel-alt is now available for Red Hat Enterprise Linux 7

Summary

The kernel-alt packages provide the Linux kernel version 4.x.
Security Fix(es):
* kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c (CVE-2017-18595)
* kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c (CVE-2019-19768)
* Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711)
* kernel: out of bounds write in function i2c_smbus_xfer_emulated in drivers/i2c/i2c-core-smbus.c (CVE-2017-18551)
* kernel: out of bounds write in i2c driver leads to local escalation of privilege (CVE-2019-9454)
* kernel: denial of service in in xfs_setattr_nonsize in fs/xfs/xfs_iops.c (CVE-2019-15538)
* kernel: mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c (CVE-2019-19447)
* kernel: a malicious USB device in the drivers/input/ff-memless.c leads to use-after-free (CVE-2019-19524)
* kernel: out-of-bounds read in set_fdc in drivers/block/floppy.c (CVE-2020-9383)
* kernel: null pointer dereference in dlpar_parse_cc_property in arch/powerrc/platforms/pseries/dlpar.c causing denial of service (CVE-2019-12614)
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):
* [7.5-alt][ext4/xfstests generic/468] fix fdatasync(2) after fallocate(2) operation (upstream fixed) [rhel-alt-7.6.z] (BZ#1554273)
* [RHEL-ALT-7.6.z][arm64] CN99xx: DIMM errors not populated in EDAC sysfs (BZ#1778697)



Summary


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.

References

https://access.redhat.com/security/cve/CVE-2017-18551 https://access.redhat.com/security/cve/CVE-2017-18595 https://access.redhat.com/security/cve/CVE-2019-9454 https://access.redhat.com/security/cve/CVE-2019-12614 https://access.redhat.com/security/cve/CVE-2019-15538 https://access.redhat.com/security/cve/CVE-2019-19447 https://access.redhat.com/security/cve/CVE-2019-19524 https://access.redhat.com/security/cve/CVE-2019-19768 https://access.redhat.com/security/cve/CVE-2020-9383 https://access.redhat.com/security/cve/CVE-2020-10711 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-4.14.0-115.21.2.el7a.src.rpm
aarch64: kernel-4.14.0-115.21.2.el7a.aarch64.rpm kernel-debug-4.14.0-115.21.2.el7a.aarch64.rpm kernel-debug-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm kernel-debug-devel-4.14.0-115.21.2.el7a.aarch64.rpm kernel-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm kernel-debuginfo-common-aarch64-4.14.0-115.21.2.el7a.aarch64.rpm kernel-devel-4.14.0-115.21.2.el7a.aarch64.rpm kernel-headers-4.14.0-115.21.2.el7a.aarch64.rpm kernel-tools-4.14.0-115.21.2.el7a.aarch64.rpm kernel-tools-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm kernel-tools-libs-4.14.0-115.21.2.el7a.aarch64.rpm perf-4.14.0-115.21.2.el7a.aarch64.rpm perf-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm python-perf-4.14.0-115.21.2.el7a.aarch64.rpm python-perf-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm
noarch: kernel-abi-whitelists-4.14.0-115.21.2.el7a.noarch.rpm kernel-doc-4.14.0-115.21.2.el7a.noarch.rpm
ppc64le: kernel-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-bootwrapper-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-debug-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-debug-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-devel-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-headers-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-tools-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-tools-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-tools-libs-4.14.0-115.21.2.el7a.ppc64le.rpm perf-4.14.0-115.21.2.el7a.ppc64le.rpm perf-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm python-perf-4.14.0-115.21.2.el7a.ppc64le.rpm python-perf-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm
s390x: kernel-4.14.0-115.21.2.el7a.s390x.rpm kernel-debug-4.14.0-115.21.2.el7a.s390x.rpm kernel-debug-debuginfo-4.14.0-115.21.2.el7a.s390x.rpm kernel-debug-devel-4.14.0-115.21.2.el7a.s390x.rpm kernel-debuginfo-4.14.0-115.21.2.el7a.s390x.rpm kernel-debuginfo-common-s390x-4.14.0-115.21.2.el7a.s390x.rpm kernel-devel-4.14.0-115.21.2.el7a.s390x.rpm kernel-headers-4.14.0-115.21.2.el7a.s390x.rpm kernel-kdump-4.14.0-115.21.2.el7a.s390x.rpm kernel-kdump-debuginfo-4.14.0-115.21.2.el7a.s390x.rpm kernel-kdump-devel-4.14.0-115.21.2.el7a.s390x.rpm perf-4.14.0-115.21.2.el7a.s390x.rpm perf-debuginfo-4.14.0-115.21.2.el7a.s390x.rpm python-perf-4.14.0-115.21.2.el7a.s390x.rpm python-perf-debuginfo-4.14.0-115.21.2.el7a.s390x.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):
aarch64: kernel-debug-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm kernel-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm kernel-debuginfo-common-aarch64-4.14.0-115.21.2.el7a.aarch64.rpm kernel-tools-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm kernel-tools-libs-devel-4.14.0-115.21.2.el7a.aarch64.rpm perf-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm python-perf-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm
noarch: kernel-doc-4.14.0-115.21.2.el7a.noarch.rpm
ppc64le: kernel-debug-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-debug-devel-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-tools-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-tools-libs-devel-4.14.0-115.21.2.el7a.ppc64le.rpm perf-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm python-perf-debuginfo-4.14.0-115.21.2.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/


Severity
Advisory ID: RHSA-2020:2104-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2104
Issued Date: : 2020-05-12
CVE Names: CVE-2017-18551 CVE-2017-18595 CVE-2019-9454 CVE-2019-12614 CVE-2019-15538 CVE-2019-19447 CVE-2019-19524 CVE-2019-19768 CVE-2020-9383 CVE-2020-10711

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 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.


Topic


 

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

1718176 - CVE-2019-12614 kernel: null pointer dereference in dlpar_parse_cc_property in arch/powerrc/platforms/pseries/dlpar.c causing denial of service

1746777 - CVE-2019-15538 kernel: denial of service in in xfs_setattr_nonsize in fs/xfs/xfs_iops.c

1757368 - CVE-2017-18551 kernel: out of bounds write in function i2c_smbus_xfer_emulated in drivers/i2c/i2c-core-smbus.c

1758671 - CVE-2017-18595 kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c

1781679 - CVE-2019-19447 kernel: mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c

1783459 - CVE-2019-19524 kernel: a malicious USB device in the drivers/input/ff-memless.c leads to use-after-free

1786164 - CVE-2019-19768 kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c

1810685 - CVE-2020-9383 kernel: out-of-bounds read in set_fdc in drivers/block/floppy.c

1818818 - CVE-2019-9454 kernel: out of bounds write in i2c driver leads to local escalation of privilege

1825116 - CVE-2020-10711 Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic


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The Akira ransomware group has extorted approximately $42 million from over 250 victims since January 1, 2024. The group initially focused on
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At The Linux Foundation's Open Source Summit North America , Linus Torvalds, the creator of Linux, discussed various topics related to Linux
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The SPDX 3.0 release marks a significant milestone in software management, particularly for Linux admins, infosec professionals, internet security
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