RedHat: RHSA-2021-2735:01 Important: kernel security update | Linux...

Advisories

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

Synopsis:          Important: kernel security update
Advisory ID:       RHSA-2021:2735-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:2735
Issue date:        2021-07-20
CVE Names:         CVE-2020-12362 CVE-2021-3347 CVE-2021-33909 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 6
Extended Lifecycle 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 Server (v. 6 ELS) - i386, noarch, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6 ELS) - i386, s390x, x86_64

3. Description:

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

Security Fix(es):

* kernel: size_t-to-int conversion vulnerability in the filesystem layer
(CVE-2021-33909)

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

* kernel: Use after free via PI futex state (CVE-2021-3347)

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.

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/):

1922249 - CVE-2021-3347 kernel: Use after free via PI futex state
1930246 - CVE-2020-12362 kernel: Integer overflow in Intel(R) Graphics Drivers
1970273 - CVE-2021-33909 kernel: size_t-to-int conversion vulnerability in the filesystem layer

6. Package List:

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

Source:
kernel-2.6.32-754.41.2.el6.src.rpm

i386:
kernel-2.6.32-754.41.2.el6.i686.rpm
kernel-debug-2.6.32-754.41.2.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-754.41.2.el6.i686.rpm
kernel-debug-devel-2.6.32-754.41.2.el6.i686.rpm
kernel-debuginfo-2.6.32-754.41.2.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-754.41.2.el6.i686.rpm
kernel-devel-2.6.32-754.41.2.el6.i686.rpm
kernel-headers-2.6.32-754.41.2.el6.i686.rpm
perf-2.6.32-754.41.2.el6.i686.rpm
perf-debuginfo-2.6.32-754.41.2.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.41.2.el6.i686.rpm

noarch:
kernel-abi-whitelists-2.6.32-754.41.2.el6.noarch.rpm
kernel-doc-2.6.32-754.41.2.el6.noarch.rpm
kernel-firmware-2.6.32-754.41.2.el6.noarch.rpm

s390x:
kernel-2.6.32-754.41.2.el6.s390x.rpm
kernel-debug-2.6.32-754.41.2.el6.s390x.rpm
kernel-debug-debuginfo-2.6.32-754.41.2.el6.s390x.rpm
kernel-debug-devel-2.6.32-754.41.2.el6.s390x.rpm
kernel-debuginfo-2.6.32-754.41.2.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-754.41.2.el6.s390x.rpm
kernel-devel-2.6.32-754.41.2.el6.s390x.rpm
kernel-headers-2.6.32-754.41.2.el6.s390x.rpm
kernel-kdump-2.6.32-754.41.2.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-754.41.2.el6.s390x.rpm
kernel-kdump-devel-2.6.32-754.41.2.el6.s390x.rpm
perf-2.6.32-754.41.2.el6.s390x.rpm
perf-debuginfo-2.6.32-754.41.2.el6.s390x.rpm
python-perf-debuginfo-2.6.32-754.41.2.el6.s390x.rpm

x86_64:
kernel-2.6.32-754.41.2.el6.x86_64.rpm
kernel-debug-2.6.32-754.41.2.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-754.41.2.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm
kernel-debug-devel-2.6.32-754.41.2.el6.i686.rpm
kernel-debug-devel-2.6.32-754.41.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-754.41.2.el6.i686.rpm
kernel-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm
kernel-debuginfo-common-i686-2.6.32-754.41.2.el6.i686.rpm
kernel-debuginfo-common-x86_64-2.6.32-754.41.2.el6.x86_64.rpm
kernel-devel-2.6.32-754.41.2.el6.x86_64.rpm
kernel-headers-2.6.32-754.41.2.el6.x86_64.rpm
perf-2.6.32-754.41.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-754.41.2.el6.i686.rpm
perf-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-754.41.2.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm

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

i386:
kernel-debug-debuginfo-2.6.32-754.41.2.el6.i686.rpm
kernel-debuginfo-2.6.32-754.41.2.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-754.41.2.el6.i686.rpm
perf-debuginfo-2.6.32-754.41.2.el6.i686.rpm
python-perf-2.6.32-754.41.2.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.41.2.el6.i686.rpm

s390x:
kernel-debug-debuginfo-2.6.32-754.41.2.el6.s390x.rpm
kernel-debuginfo-2.6.32-754.41.2.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-754.41.2.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-754.41.2.el6.s390x.rpm
perf-debuginfo-2.6.32-754.41.2.el6.s390x.rpm
python-perf-2.6.32-754.41.2.el6.s390x.rpm
python-perf-debuginfo-2.6.32-754.41.2.el6.s390x.rpm

x86_64:
kernel-debug-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-754.41.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm
python-perf-2.6.32-754.41.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-754.41.2.el6.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-2020-12362
https://access.redhat.com/security/cve/CVE-2021-3347
https://access.redhat.com/security/cve/CVE-2021-33909
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/RHSB-2021-006

8. Contact:

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

Copyright 2021 Red Hat, Inc.
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RedHat: RHSA-2021-2735:01 Important: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support

Summary

The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: size_t-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909)
* kernel: Integer overflow in Intel(R) Graphics Drivers (CVE-2020-12362)
* kernel: Use after free via PI futex state (CVE-2021-3347)
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.

Solution

For details on how to apply this update, which includes the changesdescribed in this advisory, refer to:https://access.redhat.com/articles/11258The system must be rebooted for this update to take effect.

References

https://access.redhat.com/security/cve/CVE-2020-12362 https://access.redhat.com/security/cve/CVE-2021-3347 https://access.redhat.com/security/cve/CVE-2021-33909 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/RHSB-2021-006

Package List

Red Hat Enterprise Linux Server (v. 6 ELS):
Source: kernel-2.6.32-754.41.2.el6.src.rpm
i386: kernel-2.6.32-754.41.2.el6.i686.rpm kernel-debug-2.6.32-754.41.2.el6.i686.rpm kernel-debug-debuginfo-2.6.32-754.41.2.el6.i686.rpm kernel-debug-devel-2.6.32-754.41.2.el6.i686.rpm kernel-debuginfo-2.6.32-754.41.2.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-754.41.2.el6.i686.rpm kernel-devel-2.6.32-754.41.2.el6.i686.rpm kernel-headers-2.6.32-754.41.2.el6.i686.rpm perf-2.6.32-754.41.2.el6.i686.rpm perf-debuginfo-2.6.32-754.41.2.el6.i686.rpm python-perf-debuginfo-2.6.32-754.41.2.el6.i686.rpm
noarch: kernel-abi-whitelists-2.6.32-754.41.2.el6.noarch.rpm kernel-doc-2.6.32-754.41.2.el6.noarch.rpm kernel-firmware-2.6.32-754.41.2.el6.noarch.rpm
s390x: kernel-2.6.32-754.41.2.el6.s390x.rpm kernel-debug-2.6.32-754.41.2.el6.s390x.rpm kernel-debug-debuginfo-2.6.32-754.41.2.el6.s390x.rpm kernel-debug-devel-2.6.32-754.41.2.el6.s390x.rpm kernel-debuginfo-2.6.32-754.41.2.el6.s390x.rpm kernel-debuginfo-common-s390x-2.6.32-754.41.2.el6.s390x.rpm kernel-devel-2.6.32-754.41.2.el6.s390x.rpm kernel-headers-2.6.32-754.41.2.el6.s390x.rpm kernel-kdump-2.6.32-754.41.2.el6.s390x.rpm kernel-kdump-debuginfo-2.6.32-754.41.2.el6.s390x.rpm kernel-kdump-devel-2.6.32-754.41.2.el6.s390x.rpm perf-2.6.32-754.41.2.el6.s390x.rpm perf-debuginfo-2.6.32-754.41.2.el6.s390x.rpm python-perf-debuginfo-2.6.32-754.41.2.el6.s390x.rpm
x86_64: kernel-2.6.32-754.41.2.el6.x86_64.rpm kernel-debug-2.6.32-754.41.2.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-754.41.2.el6.i686.rpm kernel-debug-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm kernel-debug-devel-2.6.32-754.41.2.el6.i686.rpm kernel-debug-devel-2.6.32-754.41.2.el6.x86_64.rpm kernel-debuginfo-2.6.32-754.41.2.el6.i686.rpm kernel-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm kernel-debuginfo-common-i686-2.6.32-754.41.2.el6.i686.rpm kernel-debuginfo-common-x86_64-2.6.32-754.41.2.el6.x86_64.rpm kernel-devel-2.6.32-754.41.2.el6.x86_64.rpm kernel-headers-2.6.32-754.41.2.el6.x86_64.rpm perf-2.6.32-754.41.2.el6.x86_64.rpm perf-debuginfo-2.6.32-754.41.2.el6.i686.rpm perf-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm python-perf-debuginfo-2.6.32-754.41.2.el6.i686.rpm python-perf-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6 ELS):
i386: kernel-debug-debuginfo-2.6.32-754.41.2.el6.i686.rpm kernel-debuginfo-2.6.32-754.41.2.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-754.41.2.el6.i686.rpm perf-debuginfo-2.6.32-754.41.2.el6.i686.rpm python-perf-2.6.32-754.41.2.el6.i686.rpm python-perf-debuginfo-2.6.32-754.41.2.el6.i686.rpm
s390x: kernel-debug-debuginfo-2.6.32-754.41.2.el6.s390x.rpm kernel-debuginfo-2.6.32-754.41.2.el6.s390x.rpm kernel-debuginfo-common-s390x-2.6.32-754.41.2.el6.s390x.rpm kernel-kdump-debuginfo-2.6.32-754.41.2.el6.s390x.rpm perf-debuginfo-2.6.32-754.41.2.el6.s390x.rpm python-perf-2.6.32-754.41.2.el6.s390x.rpm python-perf-debuginfo-2.6.32-754.41.2.el6.s390x.rpm
x86_64: kernel-debug-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm kernel-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-754.41.2.el6.x86_64.rpm perf-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm python-perf-2.6.32-754.41.2.el6.x86_64.rpm python-perf-debuginfo-2.6.32-754.41.2.el6.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/

Severity
Advisory ID: RHSA-2021:2735-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2735
Issued Date: : 2021-07-20
CVE Names: CVE-2020-12362 CVE-2021-3347 CVE-2021-33909

Topic

An update for kernel is now available for Red Hat Enterprise Linux 6Extended Lifecycle 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.

Relevant Releases Architectures

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

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

Bugs Fixed

1922249 - CVE-2021-3347 kernel: Use after free via PI futex state

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

1970273 - CVE-2021-33909 kernel: size_t-to-int conversion vulnerability in the filesystem layer

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