7.8

CVE-2020-0466: google android Use After Free

Modified
AliasesUBUNTU-CVE-2020-0466DEBIAN-CVE-2020-0466
Published 14-12-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-0466 is a high (CVSS 7.8) Use After Free vulnerability in google android. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 20.2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.28%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 38 · Related 21
OPENSUSE-SU-2021:0060-1OPENSUSE-SU-2021:0075-1OPENSUSE-SU-2021:0242-1RHSA-2021:1081RHSA-2021:1093RHSA-2021:2099

Timeline

  1. 14-12-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.28% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu42 products
  • linuxAll versions (No fix recorded) | < 4.4.0-193.224 | < 4.15.0-121.123 | < 5.4.0-51.56
  • linux-aws< 4.4.0-1081.85 | < 4.4.0-1117.131 | < 4.15.0-1086.91 | < 5.4.0-1028.29
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.3All versions (No fix recorded)
  • linux-aws-5.4< 5.4.0-1028.29~18.04.1
Debian1 product
  • linux< 5.8.7-1
Google1 product

3 vendors · 44 products

References

7 links