CVE-2019-19072 : Vulnerability Insights and Analysis
Learn about CVE-2019-19072, a memory management vulnerability in the Linux kernel allowing denial of service attacks by overwhelming memory resources. Find mitigation steps and preventive measures.
An issue concerning memory management has been discovered in the predicate_parse() function within the trace_events_filter.c file in the Linux kernel, allowing for a denial of service attack by overwhelming memory resources.
Understanding CVE-2019-19072
This vulnerability, also known as CID-96c5c6e6a5b6, affects Linux kernel versions up to and including 5.3.11.
What is CVE-2019-19072?
The vulnerability in the predicate_parse() function in the Linux kernel enables malicious actors to trigger a denial of service attack by consuming excessive memory resources.
The Impact of CVE-2019-19072
- Attackers can exploit this vulnerability to exhaust system memory, leading to a denial of service condition.
Technical Details of CVE-2019-19072
The technical aspects of this CVE provide insight into the vulnerability's specifics.
Vulnerability Description
A memory leak in the predicate_parse() function in kernel/trace/trace_events_filter.c in the Linux kernel through version 5.3.11 allows attackers to cause a denial of service by consuming memory resources.
Affected Systems and Versions
- The vulnerability impacts Linux kernel versions up to and including 5.3.11.
Exploitation Mechanism
- Malicious individuals can exploit the vulnerability by crafting specific requests to trigger excessive memory consumption, leading to a denial of service attack.
Mitigation and Prevention
Protecting systems from CVE-2019-19072 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply relevant patches and updates provided by the Linux kernel maintainers.
- Monitor system resources for unusual memory consumption patterns.
- Implement network and system-level protections to mitigate denial of service attacks.
Long-Term Security Practices
- Regularly update the Linux kernel to ensure the latest security patches are in place.
- Conduct security audits and vulnerability assessments to identify and address potential weaknesses.
Patching and Updates
- Stay informed about security advisories and updates from Linux kernel vendors to promptly address vulnerabilities like CVE-2019-19072.