RHSA-2021:3320: Important: kernel security update
The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: race condition for removal of the HCI controller (CVE-2021-32399)</li> <li> kernel: use-after-free in nttyreceivebufcommon function in drivers/tty/ntty.c (CVE-2020-8648)</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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:3320?
RHSA-2021:3320 is classified as a moderate severity vulnerability.
How do I fix RHSA-2021:3320?
To fix RHSA-2021:3320, update the kernel package to version 3.10.0-957.80.1.el7 or later.
What vulnerabilities are addressed by RHSA-2021:3320?
RHSA-2021:3320 addresses a race condition for the removal of the HCI controller and a use-after-free in the n_tty_receive_buf_common function.
Which systems are affected by RHSA-2021:3320?
RHSA-2021:3320 affects systems running the Red Hat kernel version prior to 3.10.0-957.80.1.el7.
What are the potential impacts of not addressing RHSA-2021:3320?
Failure to address RHSA-2021:3320 could lead to system instability and potential exploitation of the vulnerabilities.