GSD-2022-1006518 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-2022-1006518?
GSD-2022-1006518 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 v5.19.12 by commit 8bcad2a931313aeba076b76922d5813ef97d0a91, it was introduced in version v5.19.6 by commit 98a621ef45e3605c7487f7fa6fec7df94697d6a2. For more details please see the references link.
Which versions are affected by GSD-2022-1006518?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006518?
No fix has been published for GSD-2022-1006518 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1006518 being exploited?
There is no known exploitation of GSD-2022-1006518 in the wild and no public exploit code.