What is the severity of RHSA-2020:0839?

RHSA-2020:0839 has been classified as a moderate severity vulnerability.

How do I fix RHSA-2020:0839?

To fix RHSA-2020:0839, update the kernel-rt packages to version 3.10.0-1062.18.1.rt56.1044.el7.

What is the nature of the vulnerability in RHSA-2020:0839?

The vulnerability in RHSA-2020:0839 is due to a count overflow in FUSE requests, leading to potential use-after-free issues.

Which software is affected by RHSA-2020:0839?

The affected software includes various kernel-rt packages, specifically versions prior to 3.10.0-1062.18.1.rt56.1044.el7.

Is there a risk of exploitation for RHSA-2020:0839?

Yes, the count overflow vulnerability could be exploited to execute arbitrary code, increasing its risk profile.

Vulnerability/
RHSA-2020:0839

CWE

119 416

17/3/2020

RHSA-2020:0839: Important: kernel-rt security and bug fix update

First published: Tue Mar 17 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: Count overflow in FUSE request leading to use-after-free issues. (CVE-2019-11487)</li> <li> kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow (CVE-2019-17666)</li> <li> Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA (CVE-2019-11135) (CVE-2019-19338)</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> kernel-rt: update to the RHEL7.7.z batch#5 source tree (BZ#1794131)</li>

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Reference Links

Frequently Asked Questions

What is the severity of RHSA-2020:0839?
RHSA-2020:0839 has been classified as a moderate severity vulnerability.
How do I fix RHSA-2020:0839?
To fix RHSA-2020:0839, update the kernel-rt packages to version 3.10.0-1062.18.1.rt56.1044.el7.
What is the nature of the vulnerability in RHSA-2020:0839?
The vulnerability in RHSA-2020:0839 is due to a count overflow in FUSE requests, leading to potential use-after-free issues.
Which software is affected by RHSA-2020:0839?
The affected software includes various kernel-rt packages, specifically versions prior to 3.10.0-1062.18.1.rt56.1044.el7.
Is there a risk of exploitation for RHSA-2020:0839?
Yes, the count overflow vulnerability could be exploited to execute arbitrary code, increasing its risk profile.

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