GSD-2023-1001800 netfilter: nft_payload: incorrect arithmetics when fetching VLAN header bits
Incorrect arithmetic in Linux kernel netfilter VLAN header fetching may cause instability or crashes, requiring kernel patching.
- 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-2023-1001800?
GSD-2023-1001800 is a vulnerability in Kernel, published on 31 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
netfilter: nft_payload: incorrect arithmetics when fetching VLAN header bits
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 v5.10.164 by commit 550efeff989b041f3746118c0ddd863c39ddc1aa, it was introduced in version v5.5 by commit f6ae9f120dada00abfb47313364c35118469455f. For more details please see the references link.
Which versions are affected by GSD-2023-1001800?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001800?
No fix has been published for GSD-2023-1001800 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1001800 being exploited?
There is no known exploitation of GSD-2023-1001800 in the wild and no public exploit code.