GSD-2022-1005069 mm/gup: fix FOLL_FORCE COW security issue and remove FOLL_COW
A flaw in the Linux kernel's memory management allows local attackers to bypass Copy-On-Write protections, potentially leading to privilege escalation.
- 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-2022-1005069?
GSD-2022-1005069 is a vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
mm/gup: fix FOLL_FORCE COW security issue and remove FOLL_COW
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 v5.19.6 by commit 9def52eb10baab3b700858003d462fcf17d62873, it was introduced in version v5.16 by commit 9ae0f87d009ca6c4aab2882641ddfc319727e3db. For more details please see the references link.
Which versions are affected by GSD-2022-1005069?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005069?
No fix has been published for GSD-2022-1005069 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1005069 being exploited?
There is no known exploitation of GSD-2022-1005069 in the wild and no public exploit code.