The kernel in Android before 5.1.1 LMY49F and 6.0 before 2016-01-01 allows attackers to obtain sensitive information, and consequently bypass an unspecified protection mechanism, via unknown vectors, as demonstrated by obtaining Signature or SignatureOrSystem access, aka internal bug 24157888.
Conclusion & alert: CVE-2015-6642 is rated Moderate Risk (56.9/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.71%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.08% | 0.71% | +0.64% |
| 2 | 2025-03-30 | 0.17% | 0.08% | -0.09% |
| 3 | 2025-03-29 | — | 0.17% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2015-6642 medium priority: Ubuntu including 23 source packages (linux, linux-armadaxp, …), 115 status rows across 5 suites (precise, trusty, upstream, vivid, wily): DNE 68, not-affected 35, ignored 12. | https://ubuntu.com/security/CVE-2015-6642 |
| URL | Tags |
|---|---|
| http://source.android.com/security/bulletin/2016-01-01.html | Vendor Advisory |
| http://www.securitytracker.com/id/1034592 |