RHSA-2022:7337: 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> a use-after-free in clsroute filter implementation may lead to privilege escalation (CVE-2022-2588)</li> <li> RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-23816, CVE-2022-29900)</li> <li> Branch Type Confusion (non-retbleed) (CVE-2022-23825)</li> <li> Intel: Post-barrier Return Stack Buffer Predictions (CVE-2022-26373)</li> <li> Intel: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-29901)</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> lpfc panics in lpfcelsfreeiocb() during port recovery (BZ#1969988)</li> <li> mlx5 reports error messages during shutdown then panic with mce (BZ#2077711)</li> <li> Kernel panic due to hard lockup caused by deadlock between tasklistlock and kitimer->itlock (BZ#2115147)</li> <li> fix excess double put in nfsprimedcache (BZ#2117856)</li>
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2022:7337?
The severity of RHSA-2022:7337 is critical due to privilege escalation vulnerabilities.
How do I fix RHSA-2022:7337?
To fix RHSA-2022:7337, update the kernel and related packages to version 3.10.0-1160.80.1.el7 or later.
What vulnerabilities are addressed by RHSA-2022:7337?
RHSA-2022:7337 addresses a use-after-free vulnerability in cls_route and the RetBleed speculative code execution vulnerabilities.
Which packages are affected by RHSA-2022:7337?
RHSA-2022:7337 affects several packages including kernel, bpftool, and their respective debuginfo and development versions.
Is RHSA-2022:7337 applicable to all Red Hat Enterprise Linux systems?
RHSA-2022:7337 specifically applies to Red Hat Enterprise Linux 7 systems that use the specified kernel version.