CVE-2021-39636

In do_ipt_get_ctl and do_ipt_set_ctl of ip_tables.c, there is a possible way to leak kernel information due to uninitialized data. This could lead to...

Original description

The description as published by the source.

In do_ipt_get_ctl and do_ipt_set_ctl of ip_tables.c, there is a possible way to leak kernel information due to uninitialized data. This could lead to local information disclosure 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":":2021-12-05"}]}]

Fix status by distribution

Fixed packages published by each distribution for this CVE

Debian DEBIAN-CVE-2021-39636 linux Fixed in: 4.16.5-1
Ubuntu UBUNTU-CVE-2021-39636 linux-aws Fixed in: 4.4.0-1103.108

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