GSD-2021-1000263 ataflop: potential out of bounds in do_format()
A potential out-of-bounds memory access in the Linux kernel's ataflop driver could allow local attackers to execute code or escalate privileges.
- 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-2021-1000263?
GSD-2021-1000263 is a memory corruption vulnerability in Kernel, published on 31 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ataflop: potential out of bounds in do_format()
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 v5.12.4 by commit 2a3a8bbca28b899806844c00d49ed1b7ccb50957, it was introduced in version v5.11 by commit bf9c0538e485b591a2ee02d9adb8a99db4be5a2a. For more details please see the references link.
Which versions are affected by GSD-2021-1000263?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000263?
No fix has been published for GSD-2021-1000263 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-2021-1000263 being exploited?
There is no known exploitation of GSD-2021-1000263 in the wild and no public exploit code.