GSD-2022-1004753 dm mirror log: round up region bitmap size to BITS_PER_LONG
A rounding error in the dm mirror log bitmap size calculation can lead to memory corruption or denial of service in the Linux kernel.
- 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-2022-1004753?
GSD-2022-1004753 is a vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
dm mirror log: round up region bitmap size to BITS_PER_LONG
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 v5.4.200 by commit ae460312875159285cef5bf3dc654593f404a1ef, it was introduced in version v2.6.18 by commit 29121bd0b00ebb9524971a583fea4a2f7afe8041. For more details please see the references link.
Which versions are affected by GSD-2022-1004753?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004753?
No fix has been published for GSD-2022-1004753 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004753 being exploited?
There is no known exploitation of GSD-2022-1004753 in the wild and no public exploit code.