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Red Hat 6: RHSA-2020:1353-01 Important: Kernel-RT Buffer Overflow

red hat
Calendar Grey April 7, 2020
Dist Redhat Esm H88
Ubuntu has rolled out a significant patch for kernel-rt tackling security vulnerabilities related to heap corruption and buffer overflows. Get details here.
An update for kernel-rt is now available for Red Hat Enterprise MRG 2

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Summary

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* kernel: heap overflow in mwifiex_update_vs_ie() function of Marvell WiFi driver (CVE-2019-14816)
* 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)
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.
Bug Fix(es):
* update the MRG 2.5.z 3.10 realtime-kernel sources (BZ#1810602)

Topics%20covered

Topics Covered

security advisory Red Hat buffer overflow important heap overflow kernel-rt

References

https://access.redhat.com/security/cve/CVE-2019-14816 https://access.redhat.com/security/cve/CVE-2019-17666 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat MRG Realtime for RHEL 6 Server v.2:
Source: kernel-rt-3.10.0-693.65.1.rt56.663.el6rt.src.rpm
noarch: kernel-rt-doc-3.10.0-693.65.1.rt56.663.el6rt.noarch.rpm kernel-rt-firmware-3.10.0-693.65.1.rt56.663.el6rt.noarch.rpm
x86_64: kernel-rt-3.10.0-693.65.1.rt56.663.el6rt.x86_64.rpm kernel-rt-debug-3.10.0-693.65.1.rt56.663.el6rt.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-693.65.1.rt56.663.el6rt.x86_64.rpm kernel-rt-debug-devel-3.10.0-693.65.1.rt56.663.el6rt.x86_64.rpm kernel-rt-debuginfo-3.10.0-693.65.1.rt56.663.el6rt.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-693.65.1.rt56.663.el6rt.x86_64.rpm kernel-rt-devel-3.10.0-693.65.1.rt56.663.el6rt.x86_64.rpm kernel-rt-trace-3.10.0-693.65.1.rt56.663.el6rt.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-693.65.1.rt56.663.el6rt.x86_64.rpm kernel-rt-trace-devel-3.10.0-693.65.1.rt56.663.el6rt.x86_64.rpm kernel-rt-vanilla-3.10.0-693.65.1.rt56.663.el6rt.x86_64.rpm kernel-rt-vanilla-debuginfo-3.10.0-693.65.1.rt56.663.el6rt.x86_64.rpm kernel-rt-vanilla-devel-3.10.0-693.65.1.rt56.663.el6rt.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:1353-01
Product: Red Hat Enterprise MRG for RHEL-6
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1353
Issue date: 2020-04-07

Topic

An update for kernel-rt is now available for Red Hat Enterprise MRG 2.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat buffer overflow important heap overflow kernel-rt

Relevant Releases Architectures

Red Hat MRG Realtime for RHEL 6 Server v.2 - noarch, x86_64

Bugs Fixed

1744149 - CVE-2019-14816 kernel: heap overflow in mwifiex_update_vs_ie() function of Marvell WiFi driver

1763690 - CVE-2019-17666 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

1810602 - update the MRG 2.5.z 3.10 realtime-kernel sources

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