exploit the possibilities

Red Hat Security Advisory 2021-2728-01

Red Hat Security Advisory 2021-2728-01
Posted Jul 21, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2728-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2021-33034, CVE-2021-33909
MD5 | 9349041e3d5b8031f15916a77cdb3030

Red Hat Security Advisory 2021-2728-01

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

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

Synopsis: Important: kernel security update
Advisory ID: RHSA-2021:2728-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2728
Issue date: 2021-07-20
CVE Names: CVE-2021-33034 CVE-2021-33909
====================================================================
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: size_t-to-int conversion vulnerability in the filesystem layer
(CVE-2021-33909)

* kernel: use-after-free in net/bluetooth/hci_event.c when destroying an
hci_chan (CVE-2021-33034)

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/):

1961305 - CVE-2021-33034 kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan
1970273 - CVE-2021-33909 kernel: size_t-to-int conversion vulnerability in the filesystem layer

6. Package List:

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

Source:
kernel-3.10.0-1062.52.2.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1062.52.2.el7.noarch.rpm
kernel-doc-3.10.0-1062.52.2.el7.noarch.rpm

x86_64:
bpftool-3.10.0-1062.52.2.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-debug-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-devel-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-headers-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-tools-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1062.52.2.el7.x86_64.rpm
perf-3.10.0-1062.52.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm
python-perf-3.10.0-1062.52.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm

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

x86_64:
bpftool-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1062.52.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm

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

Source:
kernel-3.10.0-1062.52.2.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1062.52.2.el7.noarch.rpm
kernel-doc-3.10.0-1062.52.2.el7.noarch.rpm

ppc64:
bpftool-3.10.0-1062.52.2.el7.ppc64.rpm
bpftool-debuginfo-3.10.0-1062.52.2.el7.ppc64.rpm
kernel-3.10.0-1062.52.2.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-1062.52.2.el7.ppc64.rpm
kernel-debug-3.10.0-1062.52.2.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-1062.52.2.el7.ppc64.rpm
kernel-debug-devel-3.10.0-1062.52.2.el7.ppc64.rpm
kernel-debuginfo-3.10.0-1062.52.2.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-1062.52.2.el7.ppc64.rpm
kernel-devel-3.10.0-1062.52.2.el7.ppc64.rpm
kernel-headers-3.10.0-1062.52.2.el7.ppc64.rpm
kernel-tools-3.10.0-1062.52.2.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-1062.52.2.el7.ppc64.rpm
kernel-tools-libs-3.10.0-1062.52.2.el7.ppc64.rpm
perf-3.10.0-1062.52.2.el7.ppc64.rpm
perf-debuginfo-3.10.0-1062.52.2.el7.ppc64.rpm
python-perf-3.10.0-1062.52.2.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-1062.52.2.el7.ppc64.rpm

ppc64le:
bpftool-3.10.0-1062.52.2.el7.ppc64le.rpm
bpftool-debuginfo-3.10.0-1062.52.2.el7.ppc64le.rpm
kernel-3.10.0-1062.52.2.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-1062.52.2.el7.ppc64le.rpm
kernel-debug-3.10.0-1062.52.2.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-1062.52.2.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-1062.52.2.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-1062.52.2.el7.ppc64le.rpm
kernel-devel-3.10.0-1062.52.2.el7.ppc64le.rpm
kernel-headers-3.10.0-1062.52.2.el7.ppc64le.rpm
kernel-tools-3.10.0-1062.52.2.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-1062.52.2.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-1062.52.2.el7.ppc64le.rpm
perf-3.10.0-1062.52.2.el7.ppc64le.rpm
perf-debuginfo-3.10.0-1062.52.2.el7.ppc64le.rpm
python-perf-3.10.0-1062.52.2.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-1062.52.2.el7.ppc64le.rpm

s390x:
bpftool-3.10.0-1062.52.2.el7.s390x.rpm
bpftool-debuginfo-3.10.0-1062.52.2.el7.s390x.rpm
kernel-3.10.0-1062.52.2.el7.s390x.rpm
kernel-debug-3.10.0-1062.52.2.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-1062.52.2.el7.s390x.rpm
kernel-debug-devel-3.10.0-1062.52.2.el7.s390x.rpm
kernel-debuginfo-3.10.0-1062.52.2.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-1062.52.2.el7.s390x.rpm
kernel-devel-3.10.0-1062.52.2.el7.s390x.rpm
kernel-headers-3.10.0-1062.52.2.el7.s390x.rpm
kernel-kdump-3.10.0-1062.52.2.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-1062.52.2.el7.s390x.rpm
kernel-kdump-devel-3.10.0-1062.52.2.el7.s390x.rpm
perf-3.10.0-1062.52.2.el7.s390x.rpm
perf-debuginfo-3.10.0-1062.52.2.el7.s390x.rpm
python-perf-3.10.0-1062.52.2.el7.s390x.rpm
python-perf-debuginfo-3.10.0-1062.52.2.el7.s390x.rpm

x86_64:
bpftool-3.10.0-1062.52.2.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-debug-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-devel-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-headers-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-tools-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1062.52.2.el7.x86_64.rpm
perf-3.10.0-1062.52.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm
python-perf-3.10.0-1062.52.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm

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

ppc64:
bpftool-debuginfo-3.10.0-1062.52.2.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-1062.52.2.el7.ppc64.rpm
kernel-debuginfo-3.10.0-1062.52.2.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-1062.52.2.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-1062.52.2.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-1062.52.2.el7.ppc64.rpm
perf-debuginfo-3.10.0-1062.52.2.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-1062.52.2.el7.ppc64.rpm

ppc64le:
bpftool-debuginfo-3.10.0-1062.52.2.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-1062.52.2.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-1062.52.2.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-1062.52.2.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-1062.52.2.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-1062.52.2.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-1062.52.2.el7.ppc64le.rpm
perf-debuginfo-3.10.0-1062.52.2.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-1062.52.2.el7.ppc64le.rpm

x86_64:
bpftool-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1062.52.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.52.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.52.2.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-2021-33034
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 <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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Pa6j
-----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:

July 2021

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Jul 1st
    13 Files
  • 2
    Jul 2nd
    12 Files
  • 3
    Jul 3rd
    1 Files
  • 4
    Jul 4th
    2 Files
  • 5
    Jul 5th
    34 Files
  • 6
    Jul 6th
    21 Files
  • 7
    Jul 7th
    21 Files
  • 8
    Jul 8th
    13 Files
  • 9
    Jul 9th
    6 Files
  • 10
    Jul 10th
    1 Files
  • 11
    Jul 11th
    3 Files
  • 12
    Jul 12th
    15 Files
  • 13
    Jul 13th
    19 Files
  • 14
    Jul 14th
    15 Files
  • 15
    Jul 15th
    15 Files
  • 16
    Jul 16th
    9 Files
  • 17
    Jul 17th
    2 Files
  • 18
    Jul 18th
    2 Files
  • 19
    Jul 19th
    19 Files
  • 20
    Jul 20th
    21 Files
  • 21
    Jul 21st
    53 Files
  • 22
    Jul 22nd
    14 Files
  • 23
    Jul 23rd
    14 Files
  • 24
    Jul 24th
    1 Files
  • 25
    Jul 25th
    1 Files
  • 26
    Jul 26th
    21 Files
  • 27
    Jul 27th
    8 Files
  • 28
    Jul 28th
    9 Files
  • 29
    Jul 29th
    12 Files
  • 30
    Jul 30th
    9 Files
  • 31
    Jul 31st
    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