Use After Free in Google Android
CVE-2018-9422
In get_futex_key of futex.c, there is a use-after-free due to improper locking. This could lead to local escalation of privilege with no additional privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-74250718 References: Upstream kernel.
Vulnerability class: Use-After-Free
EPSS: 0.002 (12.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Google Android
- Google Inc. Android — versions Android kernel
- Debian Debian_linux — versions 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@android.com (mailing-list, x_refsource_MLIST, Third Party Advisory)
- security@android.com (mailing-list, x_refsource_MLIST, Third Party Advisory)
- security@android.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security@android.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-9422?
- CVE-2018-9422 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 7.8/10. Published 2018-11-06.
- How severe is CVE-2018-9422?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2018-9422 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.