Double free in Android
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-415 and the CVSS impact.
Summary
In binder_alloc_free_page of binder_alloc.c, there is a possible double free due to improper locking. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-120025196.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Android | Android | Android kernel | — | No fix listed | CNA |
- Android VendorAndroid Affected Android kernel Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:google:android:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
| cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* | 19.04 | Vulnerable | Canonical |
- cpe:2.3:o:google:android:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Google
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
- cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* Versions 19.04 Vulnerable ·Canonical
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-1999
- 2026-10-03 Alias added: GHSA-h74g-q6cf-5qxm
References
More Android vulnerabilities
- TI-2025-30821 Use after free in Google Android KEVCVSS 3.1HIGH 8.8
- TI-2023-17777 Improper privilege management in Google Android KEVCVSS 3.1HIGH 8.8
- TI-2025-30872 Integer overflow in Google Android KEVCVSS 3.1HIGH 8.4
- TI-2024-21766 there is a possible way to bypass due to a logic error in the code. KEVCVSS 3.1HIGH 8.1
- TI-2025-30849 Missing authentication in Google Android KEVCVSS 3.1HIGH 7.8
- TI-2024-24518 net: fix __dst_negative_advice() race KEVCVSS 3.1HIGH 7.8
Sources
- CVE-2019-1999 · CVE Program
- CVE-2019-1999 · NVD
- FIRST EPSS
- GHSA-h74g-q6cf-5qxm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences