CVE-2017-6210 : What You Need to Know
Learn about CVE-2017-6210, a vulnerability in virglrenderer before version 0.6.0 that can be exploited by local guest OS users, potentially leading to a denial of service. Find mitigation steps and preventive measures here.
This CVE-2017-6210 article provides insights into a vulnerability in virglrenderer version 0.6.0 and earlier that can be exploited by local guest OS users, potentially leading to a denial of service.
Understanding CVE-2017-6210
What is CVE-2017-6210?
The vrend_decode_reset function in virglrenderer before 0.6.0 allows local guest OS users to cause a denial of service by triggering a NULL pointer dereference and crashing the QEMU process.
The Impact of CVE-2017-6210
The vulnerability can result in a crash of the QEMU process and a NULL pointer dereference, leading to a denial of service. This can be achieved by destroying context 0.
Technical Details of CVE-2017-6210
Vulnerability Description
The vrend_decode_reset function in virglrenderer version 0.6.0 and earlier has a vulnerability that can be exploited by local guest OS users, potentially causing a denial of service.
Affected Systems and Versions
- Product: N/A
- Vendor: N/A
- Versions affected: 0.6.0 and earlier
Exploitation Mechanism
The vulnerability can be exploited by local guest OS users to crash the QEMU process and trigger a NULL pointer dereference by destroying context 0.
Mitigation and Prevention
Immediate Steps to Take
- Update virglrenderer to version 0.6.0 or later to mitigate the vulnerability.
- Monitor vendor advisories for patches and updates.
Long-Term Security Practices
- Regularly update software and apply security patches.
- Implement least privilege access controls to limit the impact of potential vulnerabilities.
Patching and Updates
- Apply patches provided by the vendor promptly to address the vulnerability and enhance system security.