exploit the possibilities
Home Files News &[SERVICES_TAB]About Contact Add New

Red Hat Security Advisory 2021-2190-01

Red Hat Security Advisory 2021-2190-01
Posted Jun 2, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2190-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include denial of service, integer overflow, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-0466, CVE-2020-12114, CVE-2020-12362, CVE-2020-28374
SHA-256 | b85130912b4595e4fa9d7cc4ff48b4967163f32f1fbd6b3edd7ffe9d8d903aa8

Red Hat Security Advisory 2021-2190-01

Change Mirror Download
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis: Important: kernel-rt security and bug fix update
Advisory ID: RHSA-2021:2190-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2190
Issue date: 2021-06-01
CVE Names: CVE-2020-0466 CVE-2020-12114 CVE-2020-12362
CVE-2020-28374
=====================================================================

1. Summary:

An update for kernel-rt is now available for Red Hat Enterprise Linux 8.2
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 Real Time EUS (v. 8.2) - x86_64
Red Hat Enterprise Linux Real Time for NFV EUS (v. 8.2) - x86_64

3. Description:

The kernel-rt packages provide the Real Time Linux Kernel, which enables
fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

* kernel: use after free in eventpoll.c may lead to escalation of privilege
(CVE-2020-0466)

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

* kernel: SCSI target (LIO) write to any block on ILO backstore
(CVE-2020-28374)

* kernel: DoS by corrupting mountpoint reference counter (CVE-2020-12114)

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-rt: update RT source tree to the latest RHEL-8.2.z9 Batch source
tree (BZ#1949685)

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/):

1848652 - CVE-2020-12114 kernel: DoS by corrupting mountpoint reference counter
1899804 - CVE-2020-28374 kernel: SCSI target (LIO) write to any block on ILO backstore
1920480 - CVE-2020-0466 kernel: use after free in eventpoll.c may lead to escalation of privilege
1930246 - CVE-2020-12362 kernel: Integer overflow in Intel(R) Graphics Drivers

6. Package List:

Red Hat Enterprise Linux Real Time for NFV EUS (v. 8.2):

Source:
kernel-rt-4.18.0-193.56.1.rt13.106.el8_2.src.rpm

x86_64:
kernel-rt-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-core-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-debug-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-debug-core-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-debug-debuginfo-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-debug-devel-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-debug-kvm-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-debug-modules-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-debug-modules-extra-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-debuginfo-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-devel-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-kvm-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-modules-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-modules-extra-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm

Red Hat Enterprise Linux Real Time EUS (v. 8.2):

Source:
kernel-rt-4.18.0-193.56.1.rt13.106.el8_2.src.rpm

x86_64:
kernel-rt-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-core-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-debug-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-debug-core-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-debug-debuginfo-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-debug-devel-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-debug-modules-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-debug-modules-extra-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-debuginfo-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-devel-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-modules-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm
kernel-rt-modules-extra-4.18.0-193.56.1.rt13.106.el8_2.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-2020-0466
https://access.redhat.com/security/cve/CVE-2020-12114
https://access.redhat.com/security/cve/CVE-2020-12362
https://access.redhat.com/security/cve/CVE-2020-28374
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/

Copyright 2021 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=987W
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce
Login or Register to add favorites

File Archive:

September 2022

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Sep 1st
    23 Files
  • 2
    Sep 2nd
    12 Files
  • 3
    Sep 3rd
    0 Files
  • 4
    Sep 4th
    0 Files
  • 5
    Sep 5th
    10 Files
  • 6
    Sep 6th
    8 Files
  • 7
    Sep 7th
    30 Files
  • 8
    Sep 8th
    14 Files
  • 9
    Sep 9th
    26 Files
  • 10
    Sep 10th
    0 Files
  • 11
    Sep 11th
    0 Files
  • 12
    Sep 12th
    5 Files
  • 13
    Sep 13th
    28 Files
  • 14
    Sep 14th
    15 Files
  • 15
    Sep 15th
    17 Files
  • 16
    Sep 16th
    9 Files
  • 17
    Sep 17th
    0 Files
  • 18
    Sep 18th
    0 Files
  • 19
    Sep 19th
    12 Files
  • 20
    Sep 20th
    15 Files
  • 21
    Sep 21st
    20 Files
  • 22
    Sep 22nd
    13 Files
  • 23
    Sep 23rd
    12 Files
  • 24
    Sep 24th
    0 Files
  • 25
    Sep 25th
    0 Files
  • 26
    Sep 26th
    30 Files
  • 27
    Sep 27th
    27 Files
  • 28
    Sep 28th
    0 Files
  • 29
    Sep 29th
    0 Files
  • 30
    Sep 30th
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Hosting By
Rokasec
close