CVE-2019-1999
In binder_alloc_free_page of binder_alloc.c, there is a possible double free due to improper locking.
Does this matter?
A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 0.8%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
Description
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.81% probability · 57th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 12 February 2019
- CISA KEV
- Not listed
- Weakness
- CWE-415
- Affected
- google/android · debian/debian linux · canonical/ubuntu linux
- Source
- security@android.com
EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://www.securityfocus.com/bid/106851Broken Link
- https://seclists.org/bugtraq/2019/Aug/13Mailing List, Third Party Advisory
- https://source.android.com/security/bulletin/2019-02-01Vendor Advisory
- https://usn.ubuntu.com/3979-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4495Third Party Advisory
- https://www.exploit-db.com/exploits/46357/Exploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/106851Broken Link
- https://seclists.org/bugtraq/2019/Aug/13Mailing List, Third Party Advisory
- https://source.android.com/security/bulletin/2019-02-01Vendor Advisory
- https://usn.ubuntu.com/3979-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4495Third Party Advisory
- https://www.exploit-db.com/exploits/46357/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.