RHSA-2020:2285: Important: kernel security update
First published: Tue May 26 2020(Updated: )
The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c (CVE-2017-18595)</li> <li> kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c (CVE-2019-19768)</li> <li> Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711)</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 | <3.10.0-327.88.1.el7 | 3.10.0-327.88.1.el7 |
| redhat/kernel | <3.10.0-327.88.1.el7 | 3.10.0-327.88.1.el7 |
| redhat/kernel-abi-whitelists | <3.10.0-327.88.1.el7 | 3.10.0-327.88.1.el7 |
| redhat/kernel-debug | <3.10.0-327.88.1.el7 | 3.10.0-327.88.1.el7 |
| redhat/kernel-debug-debuginfo | <3.10.0-327.88.1.el7 | 3.10.0-327.88.1.el7 |
| redhat/kernel-debug-devel | <3.10.0-327.88.1.el7 | 3.10.0-327.88.1.el7 |
| redhat/kernel-debuginfo | <3.10.0-327.88.1.el7 | 3.10.0-327.88.1.el7 |
| redhat/kernel-devel | <3.10.0-327.88.1.el7 | 3.10.0-327.88.1.el7 |
| redhat/kernel-doc | <3.10.0-327.88.1.el7 | 3.10.0-327.88.1.el7 |
| redhat/kernel-headers | <3.10.0-327.88.1.el7 | 3.10.0-327.88.1.el7 |
| redhat/kernel-tools | <3.10.0-327.88.1.el7 | 3.10.0-327.88.1.el7 |
| redhat/kernel-tools-debuginfo | <3.10.0-327.88.1.el7 | 3.10.0-327.88.1.el7 |
| redhat/kernel-tools-libs | <3.10.0-327.88.1.el7 | 3.10.0-327.88.1.el7 |
| redhat/kernel-tools-libs-devel | <3.10.0-327.88.1.el7 | 3.10.0-327.88.1.el7 |
| redhat/perf | <3.10.0-327.88.1.el7 | 3.10.0-327.88.1.el7 |
| redhat/perf-debuginfo | <3.10.0-327.88.1.el7 | 3.10.0-327.88.1.el7 |
| redhat/python-perf | <3.10.0-327.88.1.el7 | 3.10.0-327.88.1.el7 |
| redhat/python-perf-debuginfo | <3.10.0-327.88.1.el7 | 3.10.0-327.88.1.el7 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2020:2285?
RHSA-2020:2285 has a severity level that requires immediate attention due to multiple vulnerabilities including a double free and use-after-free issues.
How do I fix RHSA-2020:2285?
To fix RHSA-2020:2285, upgrade your kernel package to version 3.10.0-327.88.1.el7 or higher.
Which software is affected by RHSA-2020:2285?
RHSA-2020:2285 affects various packages related to the Linux kernel including kernel, kernel-devel, and kernel-tools.
What vulnerabilities are addressed in RHSA-2020:2285?
RHSA-2020:2285 addresses the CVE-2017-18595 vulnerability which involves a double free and other associated vulnerabilities.
Is there a specific version required to mitigate RHSA-2020:2285?
Yes, to mitigate RHSA-2020:2285 you need to ensure your system is running kernel version 3.10.0-327.88.1.el7 or a later version.
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