GSD-2022-1006842 eth: sp7021: fix use after free bug in spl2sw_nvmem_get_mac_address
A use-after-free bug in the sp7021 Ethernet driver allows local attackers to potentially execute code or crash the system.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1006842?
GSD-2022-1006842 is an use after free vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
eth: sp7021: fix use after free bug in spl2sw_nvmem_get_mac_address
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 v6.0.3 by commit 99e229c7fe30a1661f9f306b3df06eaf1db064aa, it was introduced in version v5.19 by commit fd3040b9394c58bcedb83554bcf1a073021d6b36. For more details please see the references link.
Which versions are affected by GSD-2022-1006842?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006842?
No fix has been published for GSD-2022-1006842 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-2022-1006842 being exploited?
There is no known exploitation of GSD-2022-1006842 in the wild and no public exploit code.