GSD-2023-1001793 netfilter: ipset: Fix overflow before widen in the bitmap_ip_create() function.
An integer overflow in the Linux kernel's ipset bitmap creation can lead to a denial of service, requiring local privileged access to exploit.
- 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-2023-1001793?
GSD-2023-1001793 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: ipset: Fix overflow before widen in the bitmap_ip_create() function.
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 4e6a70fd840400e3a2e784a6673968a3eb2431c0, it was introduced in version v3.7 by commit b9fed748185a96b7cfe74afac4bd228e8af16f01. For more details please see the references link.
Which versions are affected by GSD-2023-1001793?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001793?
No fix has been published for GSD-2023-1001793 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1001793 being exploited?
There is no known exploitation of GSD-2023-1001793 in the wild and no public exploit code.