GSD-2022-1005700 arm64: set UXN on swapper page tables
Missing UXN bit on swapper page tables in arm64 Linux kernel allows potential privilege escalation by bypassing execute permissions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1005700?
GSD-2022-1005700 is a vulnerability in Kernel, published on 17 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
arm64: set UXN on swapper page tables
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 v5.15.60 by commit 775871d4be0d75e219cca937af843a4a1b60489a, it was introduced in version v5.13 by commit 18107f8a2df6bf1c6cac8d0713f757f866d5af51. For more details please see the references link.
Which versions are affected by GSD-2022-1005700?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005700?
No fix has been published for GSD-2022-1005700 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1005700 being exploited?
There is no known exploitation of GSD-2022-1005700 in the wild and no public exploit code.