GSD-2022-1008018 ceph: avoid putting the realm twice when decoding snaps fails
A double-free vulnerability in the Ceph filesystem kernel module can cause a system crash when snap decoding fails.
- 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-2022-1008018?
GSD-2022-1008018 is an use after free 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
ceph: avoid putting the realm twice when decoding snaps fails
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 v5.10.157 by commit 044bc6d3c2c0e9090b0841e7b723875756534b45. For more details please see the references link.
Which versions are affected by GSD-2022-1008018?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008018?
No fix has been published for GSD-2022-1008018 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-2022-1008018 being exploited?
There is no known exploitation of GSD-2022-1008018 in the wild and no public exploit code.