GSD-2022-1006558 netfilter: nf_tables: fix nft_counters_enabled underflow at nf_tables_addchain()
A local attacker with high privileges can trigger an integer underflow in the Linux kernel netfilter subsystem, potentially causing a denial of service.
- 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-2022-1006558?
GSD-2022-1006558 is a vulnerability in Kernel, published on 9 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
netfilter: nf_tables: fix nft_counters_enabled underflow at nf_tables_addchain()
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 v5.15.71 by commit 91aa52652f4b37089aff3cb53e83049d826fef6d, it was introduced in version v5.15.64 by commit 6d7ddee503951641f3ec6f0e3269446970bbcdab. For more details please see the references link.
Which versions are affected by GSD-2022-1006558?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006558?
No fix has been published for GSD-2022-1006558 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1006558 being exploited?
There is no known exploitation of GSD-2022-1006558 in the wild and no public exploit code.