FlawAtlas
Search the atlas
CVE-2021-39714 High

CVE-2021-39714

In ion_buffer_kmap_get of ion.c, there is a possible use-after-free due to an integer overflow. 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-205573273References: Upstream kernel

Exploit probability 0.2%
Published March 16, 2022
Required by Not available
Last source change April 10, 2026

02 / AFFECTED SOFTWARE

Affected packages

Android :linux_kernel:

1 explicit affected versions

04 / EVIDENCE

Source records

Open Source Vulnerabilities PUB-A-205573273

In ion_buffer_kmap_get of ion.c, there is a possible use-after-free due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

View original source
Open Source Vulnerabilities CVE-2021-39714

In ion_buffer_kmap_get of ion.c, there is a possible use-after-free due to an integer overflow. 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-205573273References: Upstream kernel

View original source

05 / REFERENCES

Further evidence