GSD-2022-1000186 ceph: properly put ceph_string reference after async create attempt
A use-after-free vulnerability in the Linux Kernel Ceph filesystem allows local attackers to cause denial of service or potentially execute code.
- 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-2022-1000186?
GSD-2022-1000186 is an use after free vulnerability in Kernel, published on 18 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ceph: properly put ceph_string reference after async create attempt
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 v5.10.96 by commit e7be12ca7d3947765b0d7c1c7e0537e748da993a, it was introduced in version v5.7 by commit 9a8d03ca2e2c334d08ee91a3e07dcce31a02fdc6. For more details please see the references link.
Which versions are affected by GSD-2022-1000186?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000186?
No fix has been published for GSD-2022-1000186 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2022-1000186 being exploited?
There is no known exploitation of GSD-2022-1000186 in the wild and no public exploit code.