RHSA-2019:2829: Important: kernel security update
First published: Fri Sep 20 2019(Updated: )
The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> A buffer overflow flaw was found in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host. (CVE-2019-14835)</li>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/bpftool | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/bpftool-debuginfo | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-abi-whitelists | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-debug | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-debug-debuginfo | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-debug-devel | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-debuginfo | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-devel | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-doc | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-headers | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-tools | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-tools-debuginfo | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-tools-libs | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-tools-libs-devel | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/perf | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/perf-debuginfo | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/python-perf | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/python-perf-debuginfo | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/bpftool | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/bpftool-debuginfo | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-debug | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-debug-debuginfo | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-debug-devel | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-debuginfo | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-debuginfo-common-s390x | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-devel | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-headers | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-kdump | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-kdump-debuginfo | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-kdump-devel | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/perf | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/perf-debuginfo | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/python-perf | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/python-perf-debuginfo | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-bootwrapper | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-debuginfo-common-ppc64 | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-tools | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-tools-debuginfo | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-tools-libs | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-tools-libs-devel | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/bpftool | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/bpftool-debuginfo | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-bootwrapper | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-debug | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-debug-debuginfo | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-debug-devel | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-debuginfo | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-debuginfo-common-ppc64le | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-devel | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-headers | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-tools | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-tools-debuginfo | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-tools-libs | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/kernel-tools-libs-devel | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/perf | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/perf-debuginfo | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/python-perf | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
| redhat/python-perf-debuginfo | <3.10.0-1062.1.2.el7 | 3.10.0-1062.1.2.el7 |
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Frequently Asked Questions
What is the severity of RHSA-2019:2829?
The severity of RHSA-2019:2829 is classified as important.
How do I fix RHSA-2019:2829?
To resolve RHSA-2019:2829, update the affected kernel packages to version 3.10.0-1062.1.2.el7.
Which software is affected by RHSA-2019:2829?
Affected software includes kernel packages, bpftool, and several debug-related packages for Red Hat Enterprise Linux 7.
What type of vulnerability is addressed in RHSA-2019:2829?
RHSA-2019:2829 addresses a buffer overflow flaw in the Linux kernel's vhost functionality.
Is this vulnerability present in all kernel versions?
No, RHSA-2019:2829 specifically affects the kernel packages prior to version 3.10.0-1062.1.2.el7.
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