CVE-2021-21781

In get_signal_page of signal.c, there is a possible leak of kernel data due to uninitialized data. This could lead to local information disclosure wit...

Original description

The description as published by the source.

In get_signal_page of signal.c, there is a possible leak of kernel data due to uninitialized data. This could lead to local information disclosure 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":":2022-03-05"}]}]

Fix status by distribution

Fixed packages published by each distribution for this CVE

Debian DEBIAN-CVE-2021-21781 linux Fixed in: 5.10.19-1
Ubuntu UBUNTU-CVE-2021-21781 linux-azure Fixed in: 4.15.0-1114.127~14.04.1

References

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