GSD-2021-1000816 ocfs2: fix data corruption by fallocate

Not scored Published

A flaw in the ocfs2 filesystem allows local attackers to cause data corruption via fallocate operations, impacting data integrity.

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

What is GSD-2021-1000816?

GSD-2021-1000816 is a vulnerability in Kernel, published on 25 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

ocfs2: fix data corruption by fallocate

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 v5.12.10 by commit 0a31dd6fd2f4e7db538fb6eb1f06973d81f8dd3b, it was introduced in version by commit . For more details please see the references link.

Which versions are affected by GSD-2021-1000816?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2021-1000816?

No fix has been published for GSD-2021-1000816 yet. Limit exposure of the affected software until one is available.

Is GSD-2021-1000816 being exploited?

There is no known exploitation of GSD-2021-1000816 in the wild and no public exploit code.

Sources

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