GSD-2022-1008161 udf: Fix a slab-out-of-bounds write bug in udf_find_entry()
A slab-out-of-bounds write in the Linux kernel UDF filesystem allows local attackers to potentially 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-2022-1008161?
GSD-2022-1008161 is a memory corruption vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
udf: Fix a slab-out-of-bounds write bug in udf_find_entry()
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 v5.4.225 by commit d8971f410739a864c537e0ac29344a7b6c450232, it was introduced in version v4.6 by commit 066b9cded00b8e3212df74a417bb074f3f3a1fe0. For more details please see the references link.
Which versions are affected by GSD-2022-1008161?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008161?
No fix has been published for GSD-2022-1008161 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-2022-1008161 being exploited?
There is no known exploitation of GSD-2022-1008161 in the wild and no public exploit code.