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RedHat: RHSA-2020-0831 Important: Kernel Buffer Overflow Issues

red hat
Calendar Grey March 17, 2020
Dist Redhat Esm H88
The critical kernel patch released by Red Hat focuses on mitigating buffer overflow vulnerabilities and specifically affects Linux 8.0 tailored for SAP Solutions.
An update for kernel is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

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 packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: heap-based buffer overflow in mwifiex_process_country_ie() function in drivers/net/wireless/marvell/mwifiex/sta_ioctl.c (CVE-2019-14895)
* 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.

Topics%20covered

Topics Covered

security advisory buffer overflow security fix Red Hat Enterprise Linux important kernel wireless drivers

References

https://access.redhat.com/security/cve/CVE-2019-14895 https://access.redhat.com/security/cve/CVE-2019-17666 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux BaseOS E4S (v. 8.0):
Source: kernel-4.18.0-80.16.1.el8_0.src.rpm
aarch64: bpftool-4.18.0-80.16.1.el8_0.aarch64.rpm bpftool-debuginfo-4.18.0-80.16.1.el8_0.aarch64.rpm kernel-4.18.0-80.16.1.el8_0.aarch64.rpm kernel-core-4.18.0-80.16.1.el8_0.aarch64.rpm kernel-cross-headers-4.18.0-80.16.1.el8_0.aarch64.rpm kernel-debug-4.18.0-80.16.1.el8_0.aarch64.rpm kernel-debug-core-4.18.0-80.16.1.el8_0.aarch64.rpm kernel-debug-debuginfo-4.18.0-80.16.1.el8_0.aarch64.rpm kernel-debug-devel-4.18.0-80.16.1.el8_0.aarch64.rpm kernel-debug-modules-4.18.0-80.16.1.el8_0.aarch64.rpm kernel-debug-modules-extra-4.18.0-80.16.1.el8_0.aarch64.rpm kernel-debuginfo-4.18.0-80.16.1.el8_0.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-80.16.1.el8_0.aarch64.rpm kernel-devel-4.18.0-80.16.1.el8_0.aarch64.rpm kernel-headers-4.18.0-80.16.1.el8_0.aarch64.rpm kernel-modules-4.18.0-80.16.1.el8_0.aarch64.rpm kernel-modules-extra-4.18.0-80.16.1.el8_0.aarch64.rpm kernel-tools-4.18.0-80.16.1.el8_0.aarch64.rpm kernel-tools-debuginfo-4.18.0-80.16.1.el8_0.aarch64.rpm kernel-tools-libs-4.18.0-80.16.1.el8_0.aarch64.rpm perf-4.18.0-80.16.1.el8_0.aarch64.rpm perf-debuginfo-4.18.0-80.16.1.el8_0.aarch64.rpm python3-perf-4.18.0-80.16.1.el8_0.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:0831-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0831
Issue date: 2020-03-17

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.0Update Services for SAP Solutions.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 buffer overflow security fix Red Hat Enterprise Linux important kernel wireless drivers

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS E4S (v. 8.0) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

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

1774870 - CVE-2019-14895 kernel: heap-based buffer overflow in mwifiex_process_country_ie() function in drivers/net/wireless/marvell/mwifiex/sta_ioctl.c

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