GSD-2022-1007108 bpf: Fix reference state management for synchronous callbacks

Not scored Published

A reference state management flaw in Linux kernel BPF synchronous callbacks could allow local attackers to escalate privileges or execute code.

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

What is GSD-2022-1007108?

GSD-2022-1007108 is a vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

bpf: Fix reference state management for synchronous callbacks

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 v5.15.75 by commit 4ed5155043c97ac8912bcf67331df87c833fb067, it was introduced in version v5.13 by commit 69c087ba6225b574afb6e505b72cb75242a3d844. For more details please see the references link.

Which versions are affected by GSD-2022-1007108?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2022-1007108?

No fix has been published for GSD-2022-1007108 yet. Limit exposure of the affected software until one is available.

Is GSD-2022-1007108 being exploited?

There is no known exploitation of GSD-2022-1007108 in the wild and no public exploit code.

Sources

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