GSD-2021-1002336 scsi: scsi_debug: Fix out-of-bound read in resp_readcap16()
A local attacker with access to the scsi_debug module can trigger an out-of-bounds read, potentially causing a system crash or leaking kernel memory.
- 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-2021-1002336?
GSD-2021-1002336 is a memory corruption vulnerability in Kernel, published on 29 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
scsi: scsi_debug: Fix out-of-bound read in resp_readcap16()
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 v5.15.5 by commit 5b8bed6464ad6653586e30df046185fd816ad999. For more details please see the references link.
Which versions are affected by GSD-2021-1002336?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002336?
No fix has been published for GSD-2021-1002336 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-2021-1002336 being exploited?
There is no known exploitation of GSD-2021-1002336 in the wild and no public exploit code.