RHSA-2021:2728: Important: kernel security update

Published Jul 20, 2021
·
Updated

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: sizet-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909)</li> <li> kernel: use-after-free in net/bluetooth/hcievent.c when destroying an hcichan (CVE-2021-33034)</li> 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.

Affected Software

61 affected componentsFixes available
redhat/kernel<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/bpftool<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/bpftool-debuginfo<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-abi-whitelists<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-debug<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-debug-debuginfo<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-debug-devel<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-debuginfo<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-devel<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-doc<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-headers<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-tools<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-tools-debuginfo<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-tools-libs<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-tools-libs-devel<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/perf<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/perf-debuginfo<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/python-perf<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/python-perf-debuginfo<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/bpftool<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/bpftool-debuginfo<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-debug<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-debug-debuginfo<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-debug-devel<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-debuginfo<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-debuginfo-common-s390x<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-devel<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-headers<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-kdump<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-kdump-debuginfo<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-kdump-devel<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/perf<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/perf-debuginfo<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/python-perf<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/python-perf-debuginfo<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-bootwrapper<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-debuginfo-common-ppc64<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-tools<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-tools-debuginfo<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-tools-libs<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-tools-libs-devel<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/bpftool<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/bpftool-debuginfo<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-bootwrapper<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-debug<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-debug-debuginfo<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-debug-devel<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-debuginfo<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-debuginfo-common-ppc64le<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-devel<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-headers<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-tools<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-tools-debuginfo<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-tools-libs<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/kernel-tools-libs-devel<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/perf<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/perf-debuginfo<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/python-perf<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7
redhat/python-perf-debuginfo<3.10.0-1062.52.2.el7
3.10.0-1062.52.2.el7

Remediation

Event History

Jun 16, 2024
Advisory Published
via Red Hat·01:29 AM
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Frequently Asked Questions

1

What is the severity of RHSA-2021:2728?

The severity of RHSA-2021:2728 is classified as important due to potential security risks.

2

How do I fix RHSA-2021:2728?

To fix RHSA-2021:2728, you should update your kernel package to version 3.10.0-1062.52.2.el7 or later.

3

What affected software is listed for RHSA-2021:2728?

Affected software for RHSA-2021:2728 includes several kernel-related packages specifically for version 3.10.0-1062.52.2.el7.

4

What vulnerabilities are addressed in RHSA-2021:2728?

RHSA-2021:2728 addresses vulnerabilities including a size_t-to-int conversion issue in the filesystem layer and a use-after-free vulnerability in the Bluetooth module.

5

Is RHSA-2021:2728 relevant for all Linux users?

RHSA-2021:2728 is particularly relevant for users running affected Red Hat Enterprise Linux versions with the specified kernel packages.

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