RHSA-2022:1324: 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: Use After Free in unixgc() which could result in a local privilege escalation (CVE-2021-0920)</li> <li> kernel: use-after-free in RDMA listen() (CVE-2021-4028)</li> <li> kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083)</li> <li> kernel: failing usercopy allows for use-after-free exploitation (CVE-2022-22942)</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> guest using rtl8139 can not connect to network (BZ#2063889)</li>
Affected Software
Remediation
Event History
Frequently Asked Questions
What vulnerabilities are addressed by RHSA-2022:1324?
RHSA-2022:1324 addresses use-after-free vulnerabilities in unix_gc() and RDMA listen() which can lead to local privilege escalation.
What is the severity of RHSA-2022:1324?
The severity of RHSA-2022:1324 is classified as important due to the potential for local privilege escalation.
How do I fix RHSA-2022:1324?
To fix RHSA-2022:1324, you should update your kernel packages to version 3.10.0-1062.66.1.el7 or later.
Which packages are affected by RHSA-2022:1324?
Affected packages include kernel, bpftool, and various kernel debug and development packages in the specified version.
What platforms or architectures are impacted by RHSA-2022:1324?
RHSA-2022:1324 impacts both x86_64 and ppc64le architectures.