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Red Hat Enterprise Linux 7.7 RHSA-2020-3224-01 Important Kernel Fix

Calendar Jul 29, 2020 • User Avatar LinuxSecurity Advisories
6 - 11 min read
Redhat Large Esm H500
Topics%20covered

Topics Covered

security advisory buffer overflow kernel update security fix Red Hat Enterprise Linux heap overflow Important
An update for kernel is now available for Red Hat Enterprise Linux 7.7 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, 
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis:          Important: kernel security and bug fix update
Advisory ID:       RHSA-2020:3224-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:3224
Issue date:        2020-07-29
CVE Names:         CVE-2020-12653 CVE-2020-12654 
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.7
Extended Update Support.

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 ComputeNode EUS (v. 7.7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.7) - ppc64, ppc64le, x86_64

3. Description:

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

Security Fix(es):

* kernel: buffer overflow in mwifiex_cmd_append_vsie_tlv function in
drivers/net/wireless/marvell/mwifiex/scan.c (CVE-2020-12653)

* kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function
in drivers/net/wireless/marvell/mwifiex/wmm.c (CVE-2020-12654)

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: provide infrastructure to support dual-signing of the kernel
(foundation to help address CVE-2020-10713) (BZ#1837428)

* RHEL7.7 - Request: retrofit kernel commit f82b4b6 to RHEL 7.7/7.8 3.10
kernels. (BZ#1838601)

* Possible race condition updating the cfg structure in
__assign_irq_vector. (BZ#1854553)

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/):

1831868 - CVE-2020-12653 kernel: buffer overflow in mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c
1832530 - CVE-2020-12654 kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c

6. Package List:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.7):

Source:
kernel-3.10.0-1062.31.2.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1062.31.2.el7.noarch.rpm
kernel-doc-3.10.0-1062.31.2.el7.noarch.rpm

x86_64:
bpftool-3.10.0-1062.31.2.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-debug-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-devel-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-headers-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-tools-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1062.31.2.el7.x86_64.rpm
perf-3.10.0-1062.31.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
python-perf-3.10.0-1062.31.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7):

x86_64:
bpftool-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1062.31.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm

Red Hat Enterprise Linux Server EUS (v. 7.7):

Source:
kernel-3.10.0-1062.31.2.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1062.31.2.el7.noarch.rpm
kernel-doc-3.10.0-1062.31.2.el7.noarch.rpm

ppc64:
bpftool-3.10.0-1062.31.2.el7.ppc64.rpm
bpftool-debuginfo-3.10.0-1062.31.2.el7.ppc64.rpm
kernel-3.10.0-1062.31.2.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-1062.31.2.el7.ppc64.rpm
kernel-debug-3.10.0-1062.31.2.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-1062.31.2.el7.ppc64.rpm
kernel-debug-devel-3.10.0-1062.31.2.el7.ppc64.rpm
kernel-debuginfo-3.10.0-1062.31.2.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-1062.31.2.el7.ppc64.rpm
kernel-devel-3.10.0-1062.31.2.el7.ppc64.rpm
kernel-headers-3.10.0-1062.31.2.el7.ppc64.rpm
kernel-tools-3.10.0-1062.31.2.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-1062.31.2.el7.ppc64.rpm
kernel-tools-libs-3.10.0-1062.31.2.el7.ppc64.rpm
perf-3.10.0-1062.31.2.el7.ppc64.rpm
perf-debuginfo-3.10.0-1062.31.2.el7.ppc64.rpm
python-perf-3.10.0-1062.31.2.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-1062.31.2.el7.ppc64.rpm

ppc64le:
bpftool-3.10.0-1062.31.2.el7.ppc64le.rpm
bpftool-debuginfo-3.10.0-1062.31.2.el7.ppc64le.rpm
kernel-3.10.0-1062.31.2.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-1062.31.2.el7.ppc64le.rpm
kernel-debug-3.10.0-1062.31.2.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-1062.31.2.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-1062.31.2.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-1062.31.2.el7.ppc64le.rpm
kernel-devel-3.10.0-1062.31.2.el7.ppc64le.rpm
kernel-headers-3.10.0-1062.31.2.el7.ppc64le.rpm
kernel-tools-3.10.0-1062.31.2.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-1062.31.2.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-1062.31.2.el7.ppc64le.rpm
perf-3.10.0-1062.31.2.el7.ppc64le.rpm
perf-debuginfo-3.10.0-1062.31.2.el7.ppc64le.rpm
python-perf-3.10.0-1062.31.2.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-1062.31.2.el7.ppc64le.rpm

s390x:
bpftool-3.10.0-1062.31.2.el7.s390x.rpm
bpftool-debuginfo-3.10.0-1062.31.2.el7.s390x.rpm
kernel-3.10.0-1062.31.2.el7.s390x.rpm
kernel-debug-3.10.0-1062.31.2.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-1062.31.2.el7.s390x.rpm
kernel-debug-devel-3.10.0-1062.31.2.el7.s390x.rpm
kernel-debuginfo-3.10.0-1062.31.2.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-1062.31.2.el7.s390x.rpm
kernel-devel-3.10.0-1062.31.2.el7.s390x.rpm
kernel-headers-3.10.0-1062.31.2.el7.s390x.rpm
kernel-kdump-3.10.0-1062.31.2.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-1062.31.2.el7.s390x.rpm
kernel-kdump-devel-3.10.0-1062.31.2.el7.s390x.rpm
perf-3.10.0-1062.31.2.el7.s390x.rpm
perf-debuginfo-3.10.0-1062.31.2.el7.s390x.rpm
python-perf-3.10.0-1062.31.2.el7.s390x.rpm
python-perf-debuginfo-3.10.0-1062.31.2.el7.s390x.rpm

x86_64:
bpftool-3.10.0-1062.31.2.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-debug-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-devel-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-headers-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-tools-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1062.31.2.el7.x86_64.rpm
perf-3.10.0-1062.31.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
python-perf-3.10.0-1062.31.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional EUS (v. 7.7):

ppc64:
bpftool-debuginfo-3.10.0-1062.31.2.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-1062.31.2.el7.ppc64.rpm
kernel-debuginfo-3.10.0-1062.31.2.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-1062.31.2.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-1062.31.2.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-1062.31.2.el7.ppc64.rpm
perf-debuginfo-3.10.0-1062.31.2.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-1062.31.2.el7.ppc64.rpm

ppc64le:
bpftool-debuginfo-3.10.0-1062.31.2.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-1062.31.2.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-1062.31.2.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-1062.31.2.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-1062.31.2.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-1062.31.2.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-1062.31.2.el7.ppc64le.rpm
perf-debuginfo-3.10.0-1062.31.2.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-1062.31.2.el7.ppc64le.rpm

x86_64:
bpftool-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1062.31.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.31.2.el7.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

7. References:

https://access.redhat.com/security/cve/CVE-2020-12653
https://access.redhat.com/security/cve/CVE-2020-12654
https://access.redhat.com/security/updates/classification#important
https://access.redhat.com/security/vulnerabilities/grub2bootloader

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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Red Hat Enterprise Linux 7.7 RHSA-2020-3224-01 Important Kernel Fix

red hat
Calendar Grey July 29, 2020
Dist Redhat Esm H88
Essential kernel patch for Red Hat Enterprise Linux 7.7 addressing multiple buffer overflow vulnerabilities and incorporating various bug corrections.
An update for kernel is now available for Red Hat Enterprise Linux 7.7 Extended Update Support

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: buffer overflow in mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c (CVE-2020-12653)
* kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c (CVE-2020-12654)
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: provide infrastructure to support dual-signing of the kernel (foundation to help address CVE-2020-10713) (BZ#1837428)
* RHEL7.7 - Request: retrofit kernel commit f82b4b6 to RHEL 7.7/7.8 3.10 kernels. (BZ#1838601)
* Possible race condition updating the cfg structure in __assign_irq_vector. (BZ#1854553)

Topics%20covered

Topics Covered

security advisory buffer overflow kernel update security fix Red Hat Enterprise Linux heap overflow Important

References

https://access.redhat.com/security/cve/CVE-2020-12653 https://access.redhat.com/security/cve/CVE-2020-12654 https://access.redhat.com/security/updates/classification#important https://access.redhat.com/security/vulnerabilities/grub2bootloader

Package List

Red Hat Enterprise Linux ComputeNode EUS (v. 7.7):
Source: kernel-3.10.0-1062.31.2.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-1062.31.2.el7.noarch.rpm kernel-doc-3.10.0-1062.31.2.el7.noarch.rpm
x86_64: bpftool-3.10.0-1062.31.2.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm kernel-3.10.0-1062.31.2.el7.x86_64.rpm kernel-debug-3.10.0-1062.31.2.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm kernel-debug-devel-3.10.0-1062.31.2.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.31.2.el7.x86_64.rpm kernel-devel-3.10.0-1062.31.2.el7.x86_64.rpm kernel-headers-3.10.0-1062.31.2.el7.x86_64.rpm kernel-tools-3.10.0-1062.31.2.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm kernel-tools-libs-3.10.0-1062.31.2.el7.x86_64.rpm perf-3.10.0-1062.31.2.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm python-perf-3.10.0-1062.31.2.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7):
x86_64: bpftool-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.31.2.el7.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:3224-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3224
Issue date: 2020-07-29

Topic

An update for kernel is now available for Red Hat Enterprise Linux 7.7Extended Update Support.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 buffer overflow kernel update security fix Red Hat Enterprise Linux heap overflow Important

Relevant Releases Architectures

Red Hat Enterprise Linux ComputeNode EUS (v. 7.7) - noarch, x86_64

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) - x86_64

Red Hat Enterprise Linux Server EUS (v. 7.7) - noarch, ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional EUS (v. 7.7) - ppc64, ppc64le, x86_64

Bugs Fixed

1831868 - CVE-2020-12653 kernel: buffer overflow in mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c

1832530 - CVE-2020-12654 kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c

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