GSD-2022-1008237 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 attackers to cause memory corruption, potentially leading to code execution or system crashes.
- 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-2022-1008237?
GSD-2022-1008237 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 v4.19.267 by commit 7a6051d734f1ed0031e2216f9a538621235c11a4, it was introduced in version v4.6 by commit 066b9cded00b8e3212df74a417bb074f3f3a1fe0. For more details please see the references link.
Which versions are affected by GSD-2022-1008237?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008237?
No fix has been published for GSD-2022-1008237 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-2022-1008237 being exploited?
There is no known exploitation of GSD-2022-1008237 in the wild and no public exploit code.