GSD-2023-1001959 dmaengine: idxd: Prevent use after free on completion memory
A use-after-free vulnerability in the Linux kernel idxd driver could allow attackers to execute code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2023-1001959?
GSD-2023-1001959 is an use after free vulnerability in Kernel, published on 13 Feb 2023.
Official description
dmaengine: idxd: Prevent use after free on completion memory
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 v6.1.8 by commit b9e8e3fcfec625fc1c2f68f684448aeeb882625b, it was introduced in version v5.19 by commit 63c14ae6c161dec8ff3be49277edc75a769e054a. For more details please see the references link.
Which versions are affected by GSD-2023-1001959?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001959?
No fix has been published for GSD-2023-1001959 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-2023-1001959 being exploited?
There is no known exploitation of GSD-2023-1001959 in the wild and no public exploit code.