VulnerabilityModified
CVE-2019-1999
In binder_alloc_free_page of binder_alloc.c, there is a possible double free due to improper locking.
HIGH 7.8EPSS 0.79%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.79%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- 0.79% probability · 54th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-415
- Affected
- google/android · debian/debian linux · canonical/ubuntu linux
- Source
- security@android.com
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. Refreshed daily.