GSD-2021-1002573 drm/msm: Fix mmap to include VM_IO and VM_DONTDUMP
A missing memory flag in the Linux kernel DRM MSM driver could allow local attackers to read sensitive memory contents via mmap.
- 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-2021-1002573?
GSD-2021-1002573 is a vulnerability in Kernel, published on 19 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
drm/msm: Fix mmap to include VM_IO and VM_DONTDUMP
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 v5.15.7 by commit 8e2b7fe5e8a4be5e571561d9afcfbd92097288ba, it was introduced in version v5.15 by commit 510410bfc034c57cc3caf1572aa47c1017bab2f9. For more details please see the references link.
Which versions are affected by GSD-2021-1002573?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002573?
No fix has been published for GSD-2021-1002573 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002573 being exploited?
There is no known exploitation of GSD-2021-1002573 in the wild and no public exploit code.