CVE-2021-20321

In ovl_rename of dir.c, there is a possible out of bounds write due to a race condition. This could lead to local escalation of privilege with System...

Original description

The description as published by the source.

In ovl_rename of dir.c, there is a possible out of bounds write due to a race condition. This could lead to local escalation of privilege with System 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":":2022-06-05"}]}]

Fix status by distribution

Fixed packages published by each distribution for this CVE

Debian DEBIAN-CVE-2021-20321 linux Fixed in: 5.14.12-1
Ubuntu UBUNTU-CVE-2021-20321 linux-aws Fixed in: 4.4.0-1120.126

References

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