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Red Hat Enterprise Linux 7.4: RHSA-2021-2164-01 Important Kernel Update

red hat
Calendar Grey June 1, 2021
Dist Redhat Esm H88
Critical kernel security patch for CentOS enhances protection by addressing various vulnerabilities such as memory corruption.
An update for kernel is now available for Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update Support, and Red Hat Enterprise L...

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: Integer overflow in Intel(R) Graphics Drivers (CVE-2020-12362)
* kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c (CVE-2020-25211)
* kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free (CVE-2020-29661)
* kernel: malicious USB devices can lead to multiple out-of-bounds write (CVE-2019-19532)
* kernel: ICMP rate limiting can be used for DNS poisoning attack (CVE-2020-25705)
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.

Topics%20covered

Topics Covered

security advisory security issue Red Hat buffer overflow kernel update kernel fix important update

References

https://access.redhat.com/security/cve/CVE-2019-19532 https://access.redhat.com/security/cve/CVE-2020-12362 https://access.redhat.com/security/cve/CVE-2020-25211 https://access.redhat.com/security/cve/CVE-2020-25705 https://access.redhat.com/security/cve/CVE-2020-29661 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Server AUS (v. 7.4):
Source: kernel-3.10.0-693.87.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-693.87.1.el7.noarch.rpm kernel-doc-3.10.0-693.87.1.el7.noarch.rpm
x86_64: kernel-3.10.0-693.87.1.el7.x86_64.rpm kernel-debug-3.10.0-693.87.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-693.87.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.87.1.el7.x86_64.rpm kernel-devel-3.10.0-693.87.1.el7.x86_64.rpm kernel-headers-3.10.0-693.87.1.el7.x86_64.rpm kernel-tools-3.10.0-693.87.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-693.87.1.el7.x86_64.rpm perf-3.10.0-693.87.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm python-perf-3.10.0-693.87.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server E4S (v. 7.4):
Source: kernel-3.10.0-693.87.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-693.87.1.el7.noarch.rpm kernel-doc-3.10.0-693.87.1.el7.noarch.rpm
ppc64le: kernel-3.10.0-693.87.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-693.87.1.el7.ppc64le.rpm kernel-debug-3.10.0-693.87.1.el7.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:2164-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2164
Issue date: 2021-06-01

Topic

An update for kernel is now available for Red Hat Enterprise Linux 7.4Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended UpdateSupport, and Red Hat Enterprise Linux 7.4 Update Services for SAPSolutions.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 Red Hat buffer overflow kernel update kernel fix important update

Relevant Releases Architectures

Red Hat Enterprise Linux Server AUS (v. 7.4) - noarch, x86_64

Red Hat Enterprise Linux Server E4S (v. 7.4) - noarch, ppc64le, x86_64

Red Hat Enterprise Linux Server Optional AUS (v. 7.4) - x86_64

Red Hat Enterprise Linux Server Optional E4S (v. 7.4) - ppc64le, x86_64

Red Hat Enterprise Linux Server Optional TUS (v. 7.4) - x86_64

Red Hat Enterprise Linux Server TUS (v. 7.4) - noarch, x86_64

Bugs Fixed

1781821 - CVE-2019-19532 kernel: malicious USB devices can lead to multiple out-of-bounds write

1877571 - CVE-2020-25211 kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c

1894579 - CVE-2020-25705 kernel: ICMP rate limiting can be used for DNS poisoning attack

1906525 - CVE-2020-29661 kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free

1930246 - CVE-2020-12362 kernel: Integer overflow in Intel(R) Graphics Drivers

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