GSD-2022-1006222 btrfs: raid56: don't trust any cached sector in __raid56_parity_recover()
A flaw in the Linux kernel's btrfs RAID56 recovery allows attackers to exploit cached sectors, potentially leading to memory corruption 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-2022-1006222?
GSD-2022-1006222 is a memory corruption vulnerability in Kernel, published on 17 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
btrfs: raid56: don't trust any cached sector in __raid56_parity_recover()
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 v4.14.291 by commit 33bf7decefbf68aba9c35ea64010beefd43074d9. For more details please see the references link.
Which versions are affected by GSD-2022-1006222?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006222?
No fix has been published for GSD-2022-1006222 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-2022-1006222 being exploited?
There is no known exploitation of GSD-2022-1006222 in the wild and no public exploit code.