RHSA-2022:5640: Important: kernel security update
The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: Improper handling of VMIO|VMPFNMAP vmas in KVM can bypass RO checks (CVE-2021-22543) 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-2022:5640?
The severity of RHSA-2022:5640 is classified as important.
How do I fix RHSA-2022:5640?
To fix RHSA-2022:5640, update the kernel packages to version 2.6.32-754.48.1.el6 or later.
What systems are affected by RHSA-2022:5640?
RHSA-2022:5640 affects systems that use the kernel version 2.6.32-754.48.1.el6.
What is the main issue addressed by RHSA-2022:5640?
RHSA-2022:5640 addresses an improper handling of VM_IO|VM_PFNMAP vmas in KVM that could bypass read-only checks.
Is there a workaround for RHSA-2022:5640?
There is no official workaround for RHSA-2022:5640; updating the affected packages is recommended.