4.4

CVE-2021-39657: google android Out-of-bounds Read

Modified
AliasesUBUNTU-CVE-2021-39657DEBIAN-CVE-2021-39657
Published 15-12-2021Last modified 04-08-2024

Vulnerability summary

CVE-2021-39657 is a medium (CVSS 4.4) Out-of-bounds Read vulnerability in google android. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.4, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.4/10
010
Medium · v3.1 (NVD)
EPSS score
0.16%
0%100%
Low · +0.01 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 20 · Related 20
OPENSUSE-SU-2022:0363-1OPENSUSE-SU-2022:0366-1OPENSUSE-SU-2022:0370-1OPENSUSE-SU-2022:1037-1OPENSUSE-SU-2022:1039-1SUSE-SU-2022:0362-1

Timeline

  1. 15-12-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

In ufshcd_eh_device_reset_handler of ufshcd.c, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-194696049References: Upstream kernel

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.15% 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.

Ubuntu54 products
  • linuxAll versions (No fix recorded) | < 4.4.0-204.236 | < 4.15.0-141.145 | < 5.4.0-67.75
  • linux-aws< 4.4.0-1087.91 | < 4.4.0-1123.137 | < 4.15.0-1098.105 | < 5.4.0-1039.41
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.3All versions (No fix recorded)
  • linux-aws-5.4< 5.4.0-1039.41~18.04.1
Debian1 product
  • linux< 5.10.12-1
Google1 product

3 vendors · 56 products

References

6 links