Important: kernel-rt security and bug fix update
Summary
ALSA-2023:2736: Important: kernel-rt security and bug fix update. Affects kernel-rt versions < 4.18.0-477.10.1.rt7.274.el8_8. Fixed in 4.18.0-477.10.1.rt7.274.el8_8. 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.
Vulnerability Detail
This update addresses multiple security vulnerabilities in the kernel-rt package. These vulnerabilities include use-after-free, race conditions, memory leaks, buffer overflows, NULL pointer dereferences, and other issues. Exploitation of these vulnerabilities could lead to privilege escalation, denial of service, information leaks, or arbitrary code execution.
How To Fix
Minimum fixed version
4.18.0-477.10.1.rt7.274.el8_8
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 →
Workaround
No specific workarounds have been mentioned for these vulnerabilities.
Conclusion
Updating the kernel-rt package to the recommended version is crucial to mitigate the security vulnerabilities mentioned in this advisory. It is advised to apply the update as soon as possible to ensure the security and stability of the system. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for kernel-rt →
FAQ
These vulnerabilities could allow an attacker to gain elevated privileges, cause denial of service, leak sensitive information, or execute arbitrary code.
At the time of this advisory, there are no known exploits for these vulnerabilities.
Yes, a system restart is required after updating the kernel-rt package.
Yes, some of these vulnerabilities can be exploited remotely if the affected system is exposed to the network.
For more details about each vulnerability, including the impact, CVSS score, acknowledgments, and other related information, refer to the CVE pages listed in the References section of the advisory.
Related vulnerabilities
Recent vulnerabilities recorded for kernel-rt.
