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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (10.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 10.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Google Android
- Google Inc. Android — versions Android kernel
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.debian.org/debian-lts-announce/2018/07/msg00015.html (mailing-list, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/07/msg00016.html (mailing-list, Third Party Advisory)
- source.android.com/security/bulletin/2018-07-01 (Patch, Vendor Advisory)
- bugzilla.suse.com/show_bug.cgi
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.