GSD-2022-1005347 powerpc/64e: Fix early TLB miss with KUAP

Not scored Published

A bug in the Linux kernel powerpc/64e architecture causes early TLB misses with KUAP, potentially leading to system instability or crashes.

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-2022-1005347?

GSD-2022-1005347 is a vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

powerpc/64e: Fix early TLB miss with KUAP

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 v5.19.2 by commit 87784a09789aa03f56c6bdb5e3c71110bf57dbf2, it was introduced in version v5.17 by commit 57bc963837f5f1753a1d51fada54a32b8a84fdc3. For more details please see the references link.

Which versions are affected by GSD-2022-1005347?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2022-1005347?

No fix has been published for GSD-2022-1005347 yet. Limit exposure of the affected software until one is available.

Is GSD-2022-1005347 being exploited?

There is no known exploitation of GSD-2022-1005347 in the wild and no public exploit code.

Sources

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