GSD-2023-1002313 fbdev: Fix invalid page access after closing deferred I/O devices
A local attacker can trigger invalid page access in the Linux kernel framebuffer driver, potentially causing a crash or 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-2023-1002313?
GSD-2023-1002313 is a memory corruption vulnerability in Kernel, published on 7 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
fbdev: Fix invalid page access after closing deferred I/O devices
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 v6.1.13 by commit f1d91f0e9d5a240a809698d7d9c5a538e7dcc149, it was introduced in version v5.19 by commit 56c134f7f1b58be08bdb0ca8372474a4a5165f31. For more details please see the references link.
Which versions are affected by GSD-2023-1002313?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1002313?
No fix has been published for GSD-2023-1002313 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2023-1002313 being exploited?
There is no known exploitation of GSD-2023-1002313 in the wild and no public exploit code.