GSD-2021-1001916 NFC: digital: fix possible memory leak in digital_in_send_sdd_req()

Not scored Published

A memory leak in the Linux Kernel NFC digital subsystem could allow local attackers to cause a denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is GSD-2021-1001916?

GSD-2021-1001916 is a memory corruption vulnerability in Kernel, published on 14 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

NFC: digital: fix possible memory leak in digital_in_send_sdd_req()

This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.4.290 by commit 74569c78aa84f8c958f1334b465bc530906ec99a, it was introduced in version v3.13 by commit 2c66daecc4092e6049673c281b2e6f0d5e59a94c. For more details please see the references link.

Which versions are affected by GSD-2021-1001916?

1 open source package ship an affected version, including Kernel.

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2021-1001916?

No fix has been published for GSD-2021-1001916 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is GSD-2021-1001916 being exploited?

There is no known exploitation of GSD-2021-1001916 in the wild and no public exploit code.

Sources

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