RHSA-2020:3226: Important: kernel security and bug fix update
The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: kernel: DAX hugepages not considered during mremap (CVE-2020-10757)</li> <li> kernel: buffer overflow in mwifiexcmdappendvsietlv function in drivers/net/wireless/marvell/mwifiex/scan.c (CVE-2020-12653)</li> <li> kernel: heap-based buffer overflow in mwifiexretwmmgetstatus function in drivers/net/wireless/marvell/mwifiex/wmm.c (CVE-2020-12654)</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: provide infrastructure to support dual-signing of the kernel (foundation to help address CVE-2020-10713) (BZ#1837427)</li> <li> Fix dpdk regression introduced by bz1837297 (BZ#1852775)</li> <li> Possible race condition updating the cfg structure in assignirqvector. (BZ#1854552)</li>
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2020:3226?
The severity of RHSA-2020:3226 is categorized as critical due to vulnerabilities that can potentially allow local users to execute arbitrary code.
How do I fix RHSA-2020:3226?
To fix RHSA-2020:3226, update the affected kernel packages to version 3.10.0-957.58.2.el7 or later.
What vulnerabilities are addressed in RHSA-2020:3226?
RHSA-2020:3226 addresses vulnerabilities including a buffer overflow in mwifiex_cmd_append_vsie_tlv and the DAX hugepages issue.
Which systems are affected by RHSA-2020:3226?
RHSA-2020:3226 affects systems running Red Hat Enterprise Linux 7 with the associated kernel versions.
Is it necessary to reboot after applying the fix for RHSA-2020:3226?
Yes, a reboot is necessary to ensure that the new kernel version takes effect after applying the fix for RHSA-2020:3226.