RHSA-2020:0790: Important: kernel security and bug fix update
First published: Wed Mar 11 2020(Updated: )
The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: buffer overflow in cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c (CVE-2019-17133)</li> <li> kernel: unprivileged users able to create RAW sockets in AF_ISDN network protocol. (CVE-2019-17055)</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> LACP bond does not function because bonding driver sees slave speed & duplex as Unknown (BZ#1772779)</li> <li> ixgbevf guess causes excessive interrupts in hypervisor due to get link settings (BZ#1795404)</li>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-abi-whitelists | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-debug | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-debug-debuginfo | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-debug-debuginfo | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-debug-devel | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-debug-devel | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-debuginfo | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-debuginfo | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-debuginfo-common-i686 | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-devel | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-doc | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-firmware | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-headers | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/perf | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/perf-debuginfo | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/perf-debuginfo | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/python-perf | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/python-perf-debuginfo | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/python-perf-debuginfo | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-debug | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-devel | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-headers | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/perf | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/python-perf | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-debuginfo-common-s390x | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-kdump | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-kdump-debuginfo | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-kdump-devel | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-bootwrapper | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
| redhat/kernel-debuginfo-common-ppc64 | <2.6.32-754.28.1.el6 | 2.6.32-754.28.1.el6 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2020:0790?
The severity of RHSA-2020:0790 is classified as important due to vulnerabilities including buffer overflow and unprivileged raw socket creation.
How do I fix RHSA-2020:0790?
To fix RHSA-2020:0790, update the affected kernel packages to version 2.6.32-754.28.1.el6 or later.
What vulnerabilities are addressed in RHSA-2020:0790?
RHSA-2020:0790 addresses a buffer overflow in cfg80211_mgd_wext_giwessid and allows unprivileged users to create RAW sockets.
Which systems are affected by RHSA-2020:0790?
RHSA-2020:0790 affects systems running kernel version 2.6.32-754.28.1.el6.
Is RHSA-2020:0790 related to any specific Linux distributions?
RHSA-2020:0790 specifically relates to the Red Hat Enterprise Linux distribution.
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