7.8

CVE-2021-39698: google android Use After Free

Modified
AliasesSUSE-SU-2022:1989-1SUSE-SU-2022:3411-1SUSE-SU-2022:4036-1
Published 16-03-2022Last modified 04-08-2024

Vulnerability summary

CVE-2021-39698 is a high (CVSS 7.8) Use After Free vulnerability in google android. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 15.6% 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
0.24%
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 36 · Related 33
DLA-2940-1DLA-2941-1DSA-5096-1OPENSUSE-SU-2022:1039-1SUSE-SU-2022:1038-1SUSE-SU-2022:1039-1

Timeline

  1. 16-03-2022
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

In aio_poll_complete_work of aio.c, there is a possible memory corruption due to a use after free. 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-185125206References: Upstream kernel

CVSS metrics

5 scores · 3 sources · 3 versions

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.25% 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.

Ubuntu69 products
  • linuxAll versions (No fix recorded) | < 5.4.0-100.113
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1066.69
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13< 5.13.0-1019.21~20.04.1
Suse4 products
  • kernel-livepatch-SLE15-SP3_Update_18&distro=SUSE Linux Enterprise Live Patching 15 SP3< 2-150300.2.2
  • kernel-livepatch-SLE15-SP3_Update_24&distro=SUSE Linux Enterprise Live Patching 15 SP3< 2-150300.2.2
  • kernel-livepatch-SLE15-SP4_Update_3&distro=SUSE Linux Enterprise Live Patching 15 SP4< 2-150400.2.2
  • kernel-livepatch-SLE15-SP4_Update_4&distro=SUSE Linux Enterprise Live Patching 15 SP4< 2-150400.2.1
Debian1 product
  • linux< 5.15.15-1
Google1 product

4 vendors · 75 products

References

16 links
Show all 16 references