RHSA-2021:2734: 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: sizet-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909)</li> <li> kernel: use-after-free in net/bluetooth/hcievent.c when destroying an hcichan (CVE-2021-33034)</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> xfs umount hangs in xfswaitbuftarg() due to negative btiocount (BZ#1949916)</li>
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:2734?
The severity of RHSA-2021:2734 is classified as moderate.
How do I fix RHSA-2021:2734?
To fix RHSA-2021:2734, you should update your kernel packages to version 3.10.0-327.98.2.el7.
What vulnerabilities are addressed by RHSA-2021:2734?
RHSA-2021:2734 addresses a size_t-to-int conversion vulnerability (CVE-2021-33909) and a use-after-free vulnerability in the Bluetooth subsystem.
Which systems are affected by RHSA-2021:2734?
RHSA-2021:2734 affects systems running the Red Hat Enterprise Linux 7 kernel prior to version 3.10.0-327.98.2.el7.
Is any action required for RHSA-2021:2734?
Yes, action is required as you need to apply the security update to mitigate the vulnerabilities.