Vulnerability · Published Dec 14, 2020 · Assigned by google_android
CVE-2020-0466
High 7.8
In plain English
A high-severity security flaw in Android. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.3%top 79.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | kernel-abi-whitelists | 4.18.0-240.22.1.el8_3 | ALSA-2021:1093 |
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-240.22.1.el8_3 | ALSA-2021:1093 |
| Debian:12 | linux | 5.8.7-1 | DEBIAN-CVE-2020-0466 |
| Debian:13 | linux | 5.8.7-1 | DEBIAN-CVE-2020-0466 |
| Debian:14 | linux | 5.8.7-1 | DEBIAN-CVE-2020-0466 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2020-0466 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2020-0466 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2020-0466 |
Affected products (as reported)
References
- https://source.android.com/security/bulletin/2020-12-01 x_refsource_MISC