GSD-2022-1006976 net: sched: sfb: fix null pointer access issue when sfb_init() fails
A null pointer dereference in the Linux kernel's SFB scheduler can cause a system crash when initialization fails, requiring local access to exploit.
- 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-2022-1006976?
GSD-2022-1006976 is a vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net: sched: sfb: fix null pointer access issue when sfb_init() fails
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 v5.15.76 by commit c2e1e59d59fafe297779ceae1fe0e6fbebc3e745, it was introduced in version v2.6.39 by commit e13e02a3c68d899169c78d9a18689bd73491d59a. For more details please see the references link.
Which versions are affected by GSD-2022-1006976?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006976?
No fix has been published for GSD-2022-1006976 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1006976 being exploited?
There is no known exploitation of GSD-2022-1006976 in the wild and no public exploit code.