CVE-2019-2215
Android — Android Kernel Use-After-Free Vulnerability
Android · CWE-416 — Use after free · in CISA KEV since 2021-11-03
EVRS 77 of 100 Urgent
Patch This Cycle
Rank 653 of 2,960 tracked
Why it scores 77
Evidence available: 6 of 7 signalsListed in the CISA KEV catalog, and an EPSS probability of 0.721.
- CISA KEVApplied
- RansomwareDid not apply
- Vendor exploitationDid not apply
- EPSSApplied
- Microsoft Exploitability IndexNot applicable
- Pre-patch disclosureNo data
- KEV recencyDid not apply
- CVSSApplied
The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data
Fix
Patch or fixed version identifiedCISA required action
Fixed in
linux-snapdragon -> 4.15.0-1053.57 | linux -> 4.15.4-1
Affected versions
- cloud backup
- data availability services
- hci management node
- service processor
- solidfire
- steelstore cloud integrated storage
- android
- debian linux
8.0
+137 more affected products; see the full list at NVD.
Remediation
Apply updates per vendor instructions.
Fixed versions from NVD.
Evidence
Each value with its source| Measure | Value | Source |
|---|---|---|
| CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. | 7.8 | NVD |
| FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. | 0.721 (99.43rd pctl) | FIRST EPSS |
| Actively exploitedWhether a source of record has confirmed attacks using it in the wild. | Confirmed | CISA KEV |
| Ransomware campaign useWhether CISA has seen ransomware operators use it. | Unknown or none | CISA KEV |
| CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. | 2022-05-03 · KEV since 2021 · listed over a year | CISA KEV |
| Public exploit moduleA module existing is not the same as active exploitation. | Public module exists | Metasploit |
| EUVD cross-referenceENISA's record: CVSS 7.8 (v3.1), assigned by google_android. | Listed | ENISA EUVD |
Description
NVDA use-after-free in binder.c allows an elevation of privilege from an application to the Linux Kernel. No user interaction is required to exploit this vulnerability, however exploitation does require either the installation of a malicious local application or a separate vulnerability in a network facing application.Product: AndroidAndroid ID: A-141720095
What CISA says to do
Public module
Metasploit lists a public excellent-rank module for this CVE: Android Binder Use-After-Free Exploit (android/local/binder_uaf). A module existing is not the same as active exploitation; see metasploit.com.
