GSD-2022-1007456 usb: mon: make mmapped memory read only
A local attacker with access to USB monitoring can exploit writable mmapped memory to potentially escalate privileges or execute code.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1007456?
GSD-2022-1007456 is a memory corruption 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
usb: mon: make mmapped memory read only
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 v5.4.218 by commit 21446ad9cb9844b90d7d8e73d8fff03160e51ebc, it was introduced in version v2.6.21 by commit 6f23ee1fefdc1f80bd8a3ab04a1c41ab2dec14c9. For more details please see the references link.
Which versions are affected by GSD-2022-1007456?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007456?
No fix has been published for GSD-2022-1007456 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-2022-1007456 being exploited?
There is no known exploitation of GSD-2022-1007456 in the wild and no public exploit code.