CVE-2015-6638

CVE-2015-6638 is a privilege escalation vulnerability affecting the Imagination Technologies driver in Android 5.x before 5.1.1 LMY49F and Android 6.0 before the 2016-01-01 patch. An attacker can exploit this flaw by tricking a user into installing a crafted application, leading to high impact on confidentiality, integrity, and availability. With a CVSS score of 7.8 (High), this vulnerability poses a significant risk if exploited. There is no evidence of active exploitation, nor are there publicly available exploit modules like Metasploit or Nuclei, though it received some media coverage and community discussion at the time.