GSD-2021-1002449 net/mlx4_en: Fix an use-after-free bug in mlx4_en_try_alloc_resources()
A use-after-free bug in the mlx4_en network driver could potentially lead to undefined behavior or crashes, requiring a kernel patch.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1002449?
GSD-2021-1002449 is an use after free vulnerability in Kernel, published on 19 Dec 2021.
Official description
net/mlx4_en: Fix an use-after-free bug in mlx4_en_try_alloc_resources()
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 v5.4.164 by commit e461a9816a1ac5b4aeb61621b817225b61e46a68, it was introduced in version v4.7 by commit ec25bc04ed8e12947738468cbe2191f1529f9e39. For more details please see the references link.
Which versions are affected by GSD-2021-1002449?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002449?
No fix has been published for GSD-2021-1002449 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-2021-1002449 being exploited?
There is no known exploitation of GSD-2021-1002449 in the wild and no public exploit code.