GSD-2022-1000520 net: dsa: mv88e6xxx: fix use-after-free in mv88e6xxx_mdios_unregister
A use-after-free vulnerability in the Marvell DSA driver allows potential code execution or denial of service in the Linux kernel.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1000520?
GSD-2022-1000520 is an use after free vulnerability in Kernel, published on 27 Feb 2022.
Official description
net: dsa: mv88e6xxx: fix use-after-free in mv88e6xxx_mdios_unregister
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 v5.16.10 by commit 402888280890bceb19e96733dc44792ebfdcd62d, it was introduced in version v5.16.10 by commit 1b451c3994a2d322f8e55032c62c8b47b7d95900. For more details please see the references link.
Which versions are affected by GSD-2022-1000520?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000520?
No fix has been published for GSD-2022-1000520 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-2022-1000520 being exploited?
There is no known exploitation of GSD-2022-1000520 in the wild and no public exploit code.