GSD-2022-1007852 netfilter: nf_tables: release flow rule object from commit path
A use-after-free vulnerability in the Linux kernel netfilter subsystem allows local attackers to potentially escalate privileges or cause a system crash.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1007852?
GSD-2022-1007852 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
netfilter: nf_tables: release flow rule object from commit path
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 v6.0.8 by commit 4ab6f96444e936f5e4a936d5c0bc948144bcded3, it was introduced in version v5.19 by commit 9dd732e0bdf538b1b76dc7c157e2b5e560ff30d3. For more details please see the references link.
Which versions are affected by GSD-2022-1007852?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007852?
No fix has been published for GSD-2022-1007852 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-2022-1007852 being exploited?
There is no known exploitation of GSD-2022-1007852 in the wild and no public exploit code.