GSD-2022-1005021 binder_alloc: add missing mmap_lock calls when using the VMA
Missing mmap_lock calls in the Linux kernel binder allocator can lead to race conditions, potentially causing crashes or privilege escalation for local attackers.
- 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-2022-1005021?
GSD-2022-1005021 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
binder_alloc: add missing mmap_lock calls when using the VMA
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 7b0163c1b07b7ff1717aa975821c40df98786ddc, it was introduced in version v5.19.2 by commit 1ec3f76a436d750fd5023caec5da0494fc2870d2. For more details please see the references link.
Which versions are affected by GSD-2022-1005021?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005021?
No fix has been published for GSD-2022-1005021 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1005021 being exploited?
There is no known exploitation of GSD-2022-1005021 in the wild and no public exploit code.