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Fencer Vulns
high 7.8

CVE-2019-1999 json

In binder_alloc_free_page of binder_alloc.c, there is a possible double free due to improper locking.

published 2019-02-28 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-10556

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
1
Exploit-DB

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.

Patch / fix

  • linux Debian 14, Debian 13, Debian 12 5.2.6-1

debian advisories DEBIAN-CVE-2019-1999

  • linux-aws-fips Ubuntu Pro FIPS-updates 18.04 LTS 4.15.0-2018.18
  • linux-azure-fips Ubuntu Pro FIPS-updates 18.04 LTS 4.15.0-2006.7

ubuntu advisories UBUNTU-CVE-2019-1999

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Timeline

  1. First public exploit (EDB-46357)
  2. Published

Exploit prediction

0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-46357 Android - binder Use-After-Free of VMA via race Between reclaim and munmap dos, 2019-02-12

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • Android Android

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.