GSD-2023-1002360 powerpc/64s/interrupt: Fix interrupt exit race with security mitigation switch

Not scored Published

A race condition in the Linux kernel powerpc interrupt exit path allows bypassing security mitigations, potentially exposing sensitive data or enabling privilege escalation.

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-2023-1002360?

GSD-2023-1002360 is a vulnerability in Kernel, published on 7 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

powerpc/64s/interrupt: Fix interrupt exit race with security mitigation switch

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 v5.15.94 by commit 86f7e423933608d536015a0f2eb9e0338c1227e0, it was introduced in version v5.14 by commit 13799748b957bc5659f97c036224b0f4b42172e2. For more details please see the references link.

Which versions are affected by GSD-2023-1002360?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2023-1002360?

No fix has been published for GSD-2023-1002360 yet. Limit exposure of the affected software until one is available.

Is GSD-2023-1002360 being exploited?

There is no known exploitation of GSD-2023-1002360 in the wild and no public exploit code.

Sources

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