GSD-2021-1000993 can: bcm: fix infoleak in struct bcm_msg_head
A local attacker can read uninitialized kernel memory via the CAN BCM subsystem, potentially exposing sensitive information.
- 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-2021-1000993?
GSD-2021-1000993 is a vulnerability in Kernel, published on 30 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
can: bcm: fix infoleak in struct bcm_msg_head
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 v5.10.46 by commit acb755be1f7adb204dcedc4d3b204ef098628623, it was introduced in version v2.6.25 by commit ffd980f976e7fd666c2e61bf8ab35107efd11828. For more details please see the references link.
Which versions are affected by GSD-2021-1000993?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000993?
No fix has been published for GSD-2021-1000993 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000993 being exploited?
There is no known exploitation of GSD-2021-1000993 in the wild and no public exploit code.