RHSA-2020:0609: Important: kernel-rt security and bug fix update
First published: Wed Feb 26 2020(Updated: )
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.<br>Security Fix(es):<br><li> kernel: use-after-free in fs/xfs/xfs_super.c (CVE-2018-20976)</li> <li> kernel: insufficient input validation in kernel mode driver in Intel i915 graphics leads to privilege escalation (CVE-2019-11085)</li> <li> kernel: heap-based buffer overflow in mwifiex_process_country_ie() function in drivers/net/wireless/marvell/mwifiex/sta_ioctl.c (CVE-2019-14895)</li> <li> kernel: buffer overflow in cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c (CVE-2019-17133)</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.<br>Bug Fix(es):<br><li> update the MRG 2.5.z 3.10 realtime-kernel sources (BZ#1794133)</li>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <3.10.0-693.64.1.rt56.662.el6 | 3.10.0-693.64.1.rt56.662.el6 |
| redhat/kernel-rt-debug | <3.10.0-693.64.1.rt56.662.el6 | 3.10.0-693.64.1.rt56.662.el6 |
| redhat/kernel-rt-debug-debuginfo | <3.10.0-693.64.1.rt56.662.el6 | 3.10.0-693.64.1.rt56.662.el6 |
| redhat/kernel-rt-debug-devel | <3.10.0-693.64.1.rt56.662.el6 | 3.10.0-693.64.1.rt56.662.el6 |
| redhat/kernel-rt-debuginfo | <3.10.0-693.64.1.rt56.662.el6 | 3.10.0-693.64.1.rt56.662.el6 |
| redhat/kernel-rt-devel | <3.10.0-693.64.1.rt56.662.el6 | 3.10.0-693.64.1.rt56.662.el6 |
| redhat/kernel-rt-doc | <3.10.0-693.64.1.rt56.662.el6 | 3.10.0-693.64.1.rt56.662.el6 |
| redhat/kernel-rt-firmware | <3.10.0-693.64.1.rt56.662.el6 | 3.10.0-693.64.1.rt56.662.el6 |
| redhat/kernel-rt-trace | <3.10.0-693.64.1.rt56.662.el6 | 3.10.0-693.64.1.rt56.662.el6 |
| redhat/kernel-rt-trace-debuginfo | <3.10.0-693.64.1.rt56.662.el6 | 3.10.0-693.64.1.rt56.662.el6 |
| redhat/kernel-rt-trace-devel | <3.10.0-693.64.1.rt56.662.el6 | 3.10.0-693.64.1.rt56.662.el6 |
| redhat/kernel-rt-vanilla | <3.10.0-693.64.1.rt56.662.el6 | 3.10.0-693.64.1.rt56.662.el6 |
| redhat/kernel-rt-vanilla-debuginfo | <3.10.0-693.64.1.rt56.662.el6 | 3.10.0-693.64.1.rt56.662.el6 |
| redhat/kernel-rt-vanilla-devel | <3.10.0-693.64.1.rt56.662.el6 | 3.10.0-693.64.1.rt56.662.el6 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1710405
- https://bugzilla.redhat.com/show_bug.cgi?id=1743547
- https://bugzilla.redhat.com/show_bug.cgi?id=1771909
- https://bugzilla.redhat.com/show_bug.cgi?id=1774870
- https://access.redhat.com/security/updates/classification/#important
- https://access.redhat.com/errata/RHSA-2020:0609 (Advisory)
Frequently Asked Questions
What is the severity of RHSA-2020:0609?
The severity of RHSA-2020:0609 is considered to be critical due to the potential for exploitation of the vulnerabilities.
How do I fix RHSA-2020:0609?
To fix RHSA-2020:0609, you should update the affected kernel-rt packages to version 3.10.0-693.64.1.rt56.662.el6.
What vulnerabilities are addressed in RHSA-2020:0609?
RHSA-2020:0609 addresses a use-after-free vulnerability in fs/xfs/xfs_super.c and insufficient input validation issues.
Which systems are affected by RHSA-2020:0609?
RHSA-2020:0609 affects systems running the kernel-rt packages version up to 3.10.0-693.64.1.rt56.662.el6.
Is it safe to delay the update for RHSA-2020:0609?
It is not safe to delay the update for RHSA-2020:0609 as it may leave your system vulnerable to attacks.
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