RHSA-2022:6872: Important: kernel security update
The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> a use-after-free in clsroute filter implementation may lead to privilege escalation (CVE-2022-2588)</li> <li> Incomplete cleanup of multi-core shared buffers (aka SBDR) (CVE-2022-21123)</li> <li> Incomplete cleanup of microarchitectural fill buffers (aka SBDS) (CVE-2022-21125)</li> <li> Incomplete cleanup in specific special register write operations (aka DRPW) (CVE-2022-21166)</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-2022:6872?
The severity of RHSA-2022:6872 is classified as important due to potential privilege escalation impacts.
How do I fix RHSA-2022:6872?
To address RHSA-2022:6872, update your kernel to version 4.18.0-147.76.1.el8_1 or later.
What vulnerabilities are addressed in RHSA-2022:6872?
RHSA-2022:6872 addresses a use-after-free in cls_route filter leading to privilege escalation and incomplete cleanup of multi-core shared buffers.
Which systems are affected by RHSA-2022:6872?
RHSA-2022:6872 affects systems running specific versions of the Red Hat kernel and associated packages, such as 4.18.0-147.76.1.el8_1.
What is the impact of not addressing RHSA-2022:6872?
Failing to address RHSA-2022:6872 could result in unauthorized privilege escalation, compromising system security.