GSD-2022-1003739 misc: ocxl: fix possible double free in ocxl_file_register_afu
A double free vulnerability in the Linux kernel OCXL driver allows local attackers to cause denial of service or potentially escalate privileges.
- 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-2022-1003739?
GSD-2022-1003739 is an use after free vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
misc: ocxl: fix possible double free in ocxl_file_register_afu
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 v5.4.198 by commit de65c32ace9aa70d51facc61ba986607075e3a25, it was introduced in version v5.2 by commit 75ca758adbafc81804c39b2c200ecdc819a6c042. For more details please see the references link.
Which versions are affected by GSD-2022-1003739?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003739?
No fix has been published for GSD-2022-1003739 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-2022-1003739 being exploited?
There is no known exploitation of GSD-2022-1003739 in the wild and no public exploit code.