GSD-2023-1001393 misc: sgi-gru: fix use-after-free error in gru_set_context_option, gru_fault and gru_handle_user_call_os
A use-after-free vulnerability in the SGI GRU driver allows local attackers to potentially escalate privileges or execute code.
- 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-2023-1001393?
GSD-2023-1001393 is an use after free vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
misc: sgi-gru: fix use-after-free error in gru_set_context_option, gru_fault and gru_handle_user_call_os
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 v5.10.163 by commit 0f67ed565f20ea2fdd98e3b0b0169d9e580bb83c, it was introduced in version v2.6.33 by commit 55484c45dbeca2eec7642932ec3f60f8a2d4bdbf. For more details please see the references link.
Which versions are affected by GSD-2023-1001393?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001393?
No fix has been published for GSD-2023-1001393 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2023-1001393 being exploited?
There is no known exploitation of GSD-2023-1001393 in the wild and no public exploit code.