Important: kernel-rt security and bug fix update
Summary
ALSA-2022:5565: Important: kernel-rt security and bug fix update. Affects kernel-rt versions < 4.18.0-372.16.1.rt7.173.el8_6. Fixed in 4.18.0-372.16.1.rt7.173.el8_6. How to fix ↓
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Background
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. This vulnerability affects the AlmaLinux 8 ecosystem.
Vulnerability Detail
A race condition in perf_event_open leads to privilege escalation. This vulnerability has been assigned CVE-2022-1729. It can potentially allow an attacker to escalate their privileges on the affected system.
How To Fix
Minimum fixed version
4.18.0-372.16.1.rt7.173.el8_6
This is the first release that contains the fix.
sudo dnf update kernel-rtTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
In conclusion, it is important to update the kernel-rt package to address the race condition vulnerability (CVE-2022-1729). This can be done by updating to version 4.18.0-372.16.1.rt7.173.el8_6 or later. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for kernel-rt →
FAQ
This vulnerability can allow an attacker to escalate their privileges on the affected system, potentially gaining unauthorized access and control.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and it will provide real-time alerts for open-source vulnerabilities.
No specific workarounds have been mentioned for this vulnerability. It is recommended to update the kernel-rt package to the fixed version.
You can refer to the CVE page for CVE-2022-1729 for more details about the vulnerability, including its impact and any additional information.
To update the kernel-rt package, you can use the package manager specific to your AlmaLinux 8 system. For example, you can use 'yum update kernel-rt' to update the package.
Related vulnerabilities
Recent vulnerabilities recorded for kernel-rt.
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