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...

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) NVD OSV

Affected packages

Android :linux_kernel:

[{"type":"ECOSYSTEM","events":[{"introduced":":0"},{"fixed":":2022-08-05"}]}]

Fix status by distribution

Fixed packages published by each distribution for this CVE

Debian DEBIAN-CVE-2021-39714 linux Fixed in: 4.12.6-1
Ubuntu UBUNTU-CVE-2021-39714 linux-aws Fixed in: 4.4.0-1109.115

References

advisory source.android.com
patch android.googlesource.com
patch android.googlesource.com
patch android.googlesource.com
patch android.googlesource.com
patch android.googlesource.com
patch android.googlesource.com