Vulnerability Description
Software installed and run as a non-privileged user may conduct a sequence of improper GPU system calls causing use after free, which helps in facilitating unprivileged memory access from a shader code. Triggering failure path in the MMU mapping logic by a malicious code could lead to incomplete cleanup of an internal driver state, allowing for future unauthorized access to the contents of the physical memory.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Imaginationtech | Ddk | < 26.1 |
| Android | - | |
| Linux | Linux Kernel | - |
Related Weaknesses (CWE)
References
- https://www.imaginationtech.com/gpu-driver-vulnerabilities/Vendor Advisory
FAQ
What is CVE-2026-7639?
CVE-2026-7639 is a vulnerability with a CVSS score of 7.8 (HIGH). Software installed and run as a non-privileged user may conduct a sequence of improper GPU system calls causing use after free, which helps in facilitating unprivileged memory access from a shader cod...
How severe is CVE-2026-7639?
CVE-2026-7639 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-7639?
Check the references section above for vendor advisories and patch information. Affected products include: Imaginationtech Ddk, Google Android, Linux Linux Kernel.