6.7

CVE-2022-20572: google android Missing Authorization

Modified
AliasesUBUNTU-CVE-2022-20572DEBIAN-CVE-2022-20572
Published 16-12-2022Last modified 14-10-2026

Vulnerability summary

CVE-2022-20572 is a medium (CVSS 6.7) Missing Authorization vulnerability in google android. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 50.6% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.7, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.7/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.64%
0%100%
Low · +0.04 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 7 · Related 3

Timeline

  1. 16-12-2022
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last modifiedVulnerability information updated.

Description

In verity_target of dm-verity-target.c, there is a possible way to modify read-only files due to a missing permission check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-234475629References: Upstream kernel

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.64%

Chance of exploitation in the next 30 days

Percentile

51%

Versus all other CVEs

30-day change

Increase +0.04 pp

From 0.60% 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, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu82 products
  • linuxAll versions (No fix recorded) | < 4.4.0-239.273 | < 4.15.0-191.202 | < 5.4.0-126.142 | < 5.15.0-47.51
  • linux-aws< 4.4.0-1117.123 | < 4.4.0-1155.170 | < 4.15.0-1139.150 | < 5.4.0-1085.92 | < 5.15.0-1019.23
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13All versions (No fix recorded)
Debian1 product
  • linux< 5.18.2-1
Google1 product

3 vendors · 84 products

References

9 links