RHSA-2019:4168: 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: brcmfmac heap buffer overflow in brcmfwowlndresults (CVE-2019-9500)</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> [HPEMC 7.7 BUG] Protect against concurrent calls into UV BIOS (BZ#1720367)</li> <li> A cluster node has multiple hung "mv" processes that are accessing a gfs2 filesystem. (BZ#1721911)</li> <li> alua messages flooding serial console leading to cluster failover delays (BZ#1754849)</li> <li> kernel build: parallelize redhat/mod-sign.sh (BZ#1755329)</li> <li> kernel build: speed up module compression step (BZ#1755338)</li> <li> Nested VirtualBox VMs on Windows guest has the potential of impacting memory region allocated to other KVM guests (BZ#1755782)</li> <li> [Intel 7.8 Bug] [KVM][CLX] CPUID70EDXARCHCAPABILITIES is not enabled in VM. (BZ#1757756)</li> <li> OS getting restarted because of driver issue with QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA [1077:2532] (rev 02). (BZ#1759446)</li> <li> patchset for x86/atomic: Fix smpmb{before,after}atomic() (BZ#1772810)</li>
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2019:4168?
RHSA-2019:4168 is associated with a critical vulnerability due to a heap buffer overflow in brcmf_wowl_nd_results affecting the Linux kernel.
How do I fix RHSA-2019:4168?
To fix RHSA-2019:4168, update the kernel package to version 3.10.0-957.41.1.el7 or later.
What products are affected by RHSA-2019:4168?
RHSA-2019:4168 affects several packages including kernel, kernel-debug, and kernel-devel on Red Hat EL7 systems.
What is the cause of the vulnerability in RHSA-2019:4168?
The vulnerability in RHSA-2019:4168 is caused by a heap buffer overflow in the brcmfmac driver.
When was RHSA-2019:4168 released?
RHSA-2019:4168 was released on December 11, 2019.