Use After Free in Google Android
CVE-2020-0466
In do_epoll_ctl and ep_loop_check_proc of eventpoll.c, there is a possible use after free due to a logic error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-147802478References: Upstream kernel
Vulnerability class: Use-After-Free
EPSS: 0.003 (18.8th percentile) — read the EPSS interpretation.
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.
Affected products
- Google Android
- N/a Android — versions Android kernel
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@android.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-0466?
- CVE-2020-0466 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 7.8/10. Published 2020-12-14.
- How severe is CVE-2020-0466?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-0466 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.