GSD-2022-1001095 nbd: fix possible overflow on 'first_minor' in nbd_dev_add()
An integer overflow in the Linux kernel NBD driver can lead to a denial of service, requiring a local attacker with low privileges to trigger.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1001095?
GSD-2022-1001095 is a vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
nbd: fix possible overflow on 'first_minor' in nbd_dev_add()
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 v5.17.2 by commit c6399f6f2f84921feebbf985e3819b1ad851ebe5, it was introduced in version v4.11 by commit b0d9111a2d53785847763c64c40af2d4c4c5a8b7. For more details please see the references link.
Which versions are affected by GSD-2022-1001095?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001095?
No fix has been published for GSD-2022-1001095 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1001095 being exploited?
There is no known exploitation of GSD-2022-1001095 in the wild and no public exploit code.