exploit the possibilities

Red Hat Security Advisory 2021-4798-02

Red Hat Security Advisory 2021-4798-02
Posted Nov 24, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4798-02 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-36385
MD5 | 6677ccc7364dc48a8ecdabda550c469c

Red Hat Security Advisory 2021-4798-02

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

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

Synopsis: Important: kpatch-patch security update
Advisory ID: RHSA-2021:4798-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4798
Issue date: 2021-11-23
CVE Names: CVE-2020-36385
====================================================================
1. Summary:

An update for kpatch-patch 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 Server (v. 7) - ppc64le, x86_64

3. Description:

This is a kernel live patch module which is automatically loaded by the RPM
post-install script to modify the code of a running kernel.

Security Fix(es):

* kernel: use-after-free in drivers/infiniband/core/ucma.c ctx
use-after-free (CVE-2020-36385)

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

5. Bugs fixed (https://bugzilla.redhat.com/):

1974319 - CVE-2020-36385 kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free

6. Package List:

Red Hat Enterprise Linux Server (v. 7):

Source:
kpatch-patch-3_10_0-1160_11_1-1-10.el7.src.rpm
kpatch-patch-3_10_0-1160_15_2-1-10.el7.src.rpm
kpatch-patch-3_10_0-1160_21_1-1-8.el7.src.rpm
kpatch-patch-3_10_0-1160_24_1-1-6.el7.src.rpm
kpatch-patch-3_10_0-1160_25_1-1-6.el7.src.rpm
kpatch-patch-3_10_0-1160_31_1-1-5.el7.src.rpm
kpatch-patch-3_10_0-1160_36_2-1-4.el7.src.rpm
kpatch-patch-3_10_0-1160_41_1-1-3.el7.src.rpm
kpatch-patch-3_10_0-1160_42_2-1-2.el7.src.rpm
kpatch-patch-3_10_0-1160_45_1-1-1.el7.src.rpm

ppc64le:
kpatch-patch-3_10_0-1160_11_1-1-10.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_11_1-debuginfo-1-10.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_15_2-1-10.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_15_2-debuginfo-1-10.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_21_1-1-8.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_21_1-debuginfo-1-8.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_24_1-1-6.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_24_1-debuginfo-1-6.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_25_1-1-6.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_25_1-debuginfo-1-6.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_31_1-1-5.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_31_1-debuginfo-1-5.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_36_2-1-4.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_36_2-debuginfo-1-4.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_41_1-1-3.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_41_1-debuginfo-1-3.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_42_2-1-2.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_42_2-debuginfo-1-2.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_45_1-1-1.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_45_1-debuginfo-1-1.el7.ppc64le.rpm

x86_64:
kpatch-patch-3_10_0-1160_11_1-1-10.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_11_1-debuginfo-1-10.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_15_2-1-10.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_15_2-debuginfo-1-10.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_21_1-1-8.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_21_1-debuginfo-1-8.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_24_1-1-6.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_24_1-debuginfo-1-6.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_25_1-1-6.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_25_1-debuginfo-1-6.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_31_1-1-5.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_31_1-debuginfo-1-5.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_36_2-1-4.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_36_2-debuginfo-1-4.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_41_1-1-3.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_41_1-debuginfo-1-3.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_42_2-1-2.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_42_2-debuginfo-1-2.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_45_1-1-1.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_45_1-debuginfo-1-1.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-2020-36385
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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eRvR
-----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:

November 2021

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

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2020 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close