CVE-2019-19082 : Vulnerability Insights and Analysis
Learn about CVE-2019-19082, a vulnerability in Linux kernel up to version 5.3.11, allowing attackers to trigger a denial of service attack by exploiting memory leaks in specific functions.
Memory leaks in *create_resource_pool() functions under drivers/gpu/drm/amd/display/dc in the Linux kernel up to version 5.3.11 can lead to a denial of service attack due to excessive memory consumption.
Understanding CVE-2019-19082
This CVE identifies memory leaks in specific functions within the Linux kernel that can be exploited by attackers to cause a denial of service by consuming excessive memory.
What is CVE-2019-19082?
The vulnerability exists in the *create_resource_pool() functions located under drivers/gpu/drm/amd/display/dc in the Linux kernel up to version 5.3.11. Attackers can exploit these memory leaks to trigger a denial of service attack by consuming excessive memory.
The Impact of CVE-2019-19082
- Attackers can exploit the memory leaks to cause a denial of service by consuming excessive memory.
- Affected functions include dce120_create_resource_pool(), dce110_create_resource_pool(), dce100_create_resource_pool(), dcn10_create_resource_pool(), and dce112_create_resource_pool().
Technical Details of CVE-2019-19082
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability involves memory leaks in specific functions under drivers/gpu/drm/amd/display/dc in the Linux kernel up to version 5.3.11.
Affected Systems and Versions
- Linux kernel up to version 5.3.11
Exploitation Mechanism
- Attackers exploit the memory leaks in *create_resource_pool() functions to cause a denial of service by consuming excessive memory.
Mitigation and Prevention
Protecting systems from CVE-2019-19082 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Monitor system memory usage for any unusual spikes.
- Apply patches or updates provided by the Linux kernel maintainers.
Long-Term Security Practices
- Regularly update the Linux kernel to the latest stable version.
- Implement memory leak detection tools and practices in the development process.
Patching and Updates
- Apply patches released by the Linux kernel maintainers to address the memory leaks in the affected functions.