GSD-2021-1002741 net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg
A use-after-free bug in the HNS3 network driver allows attackers to potentially 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-2021-1002741?
GSD-2021-1002741 is an use after free vulnerability in Kernel, published on 27 Dec 2021.
Official description
net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg
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 v5.15.11 by commit 4f4a353f6fe033807cd026a5de81c67469ff19b0, it was introduced in version v5.8 by commit d8355240cf8fb8b9e002b5c8458578435cea85c2. For more details please see the references link.
Which versions are affected by GSD-2021-1002741?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002741?
No fix has been published for GSD-2021-1002741 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-2021-1002741 being exploited?
There is no known exploitation of GSD-2021-1002741 in the wild and no public exploit code.