GSD-2023-1000157 char: tpm: Protect tpm_pm_suspend with locks

Not scored Published

A race condition in the Linux kernel TPM suspend handler can lead to system instability or 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-2023-1000157?

GSD-2023-1000157 is a vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

char: tpm: Protect tpm_pm_suspend with locks

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 v5.15.82 by commit 571b6bbbf54d835ea6120f65575cb55cd767e603, it was introduced in version v5.1 by commit e891db1a18bf11e02533ec2386b796cfd8d60666. For more details please see the references link.

Which versions are affected by GSD-2023-1000157?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2023-1000157?

No fix has been published for GSD-2023-1000157 yet. Limit exposure of the affected software until one is available.

Is GSD-2023-1000157 being exploited?

There is no known exploitation of GSD-2023-1000157 in the wild and no public exploit code.

Sources

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