- Vulnerability/
- RHSA-2020:4279
RHSA-2020:4279: Important: kernel-alt security update
First published: Mon Oct 19 2020(Updated: )
The kernel-alt packages provide the Linux kernel version 4.x.<br>Security Fix(es):<br><li> kernel: net: bluetooth: type confusion while processing AMP packets (CVE-2020-12351)</li> <li> kernel: net: bluetooth: information leak when processing certain AMP packets (CVE-2020-12352)</li> <li> kernel: information exposure in drivers/char/random.c and kernel/time/timer.c (CVE-2020-16166)</li> <li> kernel: TOCTOU mismatch in the NFS client code (CVE-2020-25212)</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 | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-alt | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel | <4.14.0-115.32.1.el7a.aa | 4.14.0-115.32.1.el7a.aa |
| redhat/kernel-abi-whitelists | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-debug | <4.14.0-115.32.1.el7a.aa | 4.14.0-115.32.1.el7a.aa |
| redhat/kernel-debug-debuginfo | <4.14.0-115.32.1.el7a.aa | 4.14.0-115.32.1.el7a.aa |
| redhat/kernel-debug-devel | <4.14.0-115.32.1.el7a.aa | 4.14.0-115.32.1.el7a.aa |
| redhat/kernel-debuginfo | <4.14.0-115.32.1.el7a.aa | 4.14.0-115.32.1.el7a.aa |
| redhat/kernel-debuginfo-common-aarch64 | <4.14.0-115.32.1.el7a.aa | 4.14.0-115.32.1.el7a.aa |
| redhat/kernel-devel | <4.14.0-115.32.1.el7a.aa | 4.14.0-115.32.1.el7a.aa |
| redhat/kernel-doc | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-headers | <4.14.0-115.32.1.el7a.aa | 4.14.0-115.32.1.el7a.aa |
| redhat/kernel-tools | <4.14.0-115.32.1.el7a.aa | 4.14.0-115.32.1.el7a.aa |
| redhat/kernel-tools-debuginfo | <4.14.0-115.32.1.el7a.aa | 4.14.0-115.32.1.el7a.aa |
| redhat/kernel-tools-libs | <4.14.0-115.32.1.el7a.aa | 4.14.0-115.32.1.el7a.aa |
| redhat/kernel-tools-libs-devel | <4.14.0-115.32.1.el7a.aa | 4.14.0-115.32.1.el7a.aa |
| redhat/perf | <4.14.0-115.32.1.el7a.aa | 4.14.0-115.32.1.el7a.aa |
| redhat/perf-debuginfo | <4.14.0-115.32.1.el7a.aa | 4.14.0-115.32.1.el7a.aa |
| redhat/python-perf | <4.14.0-115.32.1.el7a.aa | 4.14.0-115.32.1.el7a.aa |
| redhat/python-perf-debuginfo | <4.14.0-115.32.1.el7a.aa | 4.14.0-115.32.1.el7a.aa |
| redhat/kernel | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-bootwrapper | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-debug | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-debug-debuginfo | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-debug-devel | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-debuginfo | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-debuginfo-common-ppc64le | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-devel | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-headers | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-tools | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-tools-debuginfo | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-tools-libs | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-tools-libs-devel | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/perf | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/perf-debuginfo | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/python-perf | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/python-perf-debuginfo | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-debug | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-debug-debuginfo | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-debug-devel | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-debuginfo | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-debuginfo-common-s390x | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-devel | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-headers | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-kdump | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-kdump-debuginfo | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/kernel-kdump-devel | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/perf | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/perf-debuginfo | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/python-perf | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
| redhat/python-perf-debuginfo | <4.14.0-115.32.1.el7a | 4.14.0-115.32.1.el7a |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2020:4279?
The severity of RHSA-2020:4279 is classified as a moderate risk due to potential information leaks and type confusion in Bluetooth processing.
How do I fix RHSA-2020:4279?
To fix RHSA-2020:4279, update your kernel-alt and related packages to version 4.14.0-115.32.1.el7a or above.
What vulnerabilities are addressed by RHSA-2020:4279?
RHSA-2020:4279 addresses CVE-2020-12351 and CVE-2020-12352 related to Bluetooth AMP packet processing.
Should I be concerned about the vulnerabilities in RHSA-2020:4279?
Yes, you should be concerned as the vulnerabilities can lead to information leaks and type confusion in Bluetooth communications.
What software is affected by RHSA-2020:4279?
The affected software includes various kernel-alt packages and derivatives on the Red Hat Enterprise Linux 7 system.
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