Use After Free in Google Android
CVE-2023-40100
In discovery_thread of Dns64Configuration.cpp, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (0.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Google Android — versions 12, 11.0, 14.0
Weakness classification (CWE)
References
- android.googlesource.com/platform/packages/modules/DnsResolver/+/8e1561fb603fda… (Patch, Mailing List)
- source.android.com/security/bulletin/2023-11-01 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-40100?
- CVE-2023-40100 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 7.8/10. Published 2024-02-15.
- How severe is CVE-2023-40100?
- High severity. CVSS v3 base score is 7.8 out of 10.