GSD-2023-1000659 usb: roles: fix of node refcount leak in usb_role_switch_is_parent()
A refcount leak in the Linux Kernel USB role switch code can lead to resource exhaustion and 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-2023-1000659?
GSD-2023-1000659 is a memory corruption 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
usb: roles: fix of node refcount leak in usb_role_switch_is_parent()
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 v6.0.16 by commit b67cb0cce5024c47d8b1acc3a0fd786cb2cc8f25, it was introduced in version v5.4 by commit 6fadd72943b80ff5bef175aacc2458c8a9ee3dbc. For more details please see the references link.
Which versions are affected by GSD-2023-1000659?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000659?
No fix has been published for GSD-2023-1000659 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2023-1000659 being exploited?
There is no known exploitation of GSD-2023-1000659 in the wild and no public exploit code.