GSD-2023-1001731 netfilter: nft_payload: incorrect arithmetics when fetching VLAN header bits
Incorrect arithmetic in Linux kernel netfilter VLAN header fetching may cause denial of service or unexpected behavior.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1001731?
GSD-2023-1001731 is a vulnerability in Kernel, published on 31 Jan 2023. An attacker can exploit it over the internet without logging in, 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 v6.1.7 by commit 76ef74d4a379faa451003621a84e3498044e7aa3, it was introduced in version v5.5 by commit f6ae9f120dada00abfb47313364c35118469455f. For more details please see the references link.
Which versions are affected by GSD-2023-1001731?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001731?
No fix has been published for GSD-2023-1001731 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1001731 being exploited?
There is no known exploitation of GSD-2023-1001731 in the wild and no public exploit code.