CVE-2022-50414 scsi: fcoe: Fix transport not deattached when fcoe_if_init() fails
A use-after-free in the Linux kernel FCoE driver causes a system panic when reinserting the module after initialization failure.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-50414?
CVE-2022-50414 is a medium-severity use after free vulnerability in Linux kernel, published on 18 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
scsi: fcoe: Fix transport not deattached when fcoe_if_init() fails
fcoe_init() calls fcoe_transport_attach(&fcoe_sw_transport), but when fcoe_if_init() fails, &fcoe_sw_transport is not detached and leaves freed &fcoe_sw_transport on fcoe_transports list. This causes panic when reinserting module.
BUG: unable to handle page fault for address: fffffbfff82e2213 RIP: 0010:fcoe_transport_attach+0xe1/0x230 [libfcoe] Call Trace: <TASK> do_one_initcall+0xd0/0x4e0 load_module+0x5eee/0x7210 ...
Which versions are affected by CVE-2022-50414?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-50414?
Apply the vendor's patch.
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 CVE-2022-50414 being exploited?
There is no known exploitation of CVE-2022-50414 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-50414, GHSA-pr9x-wvq6-fxmc, UBUNTU-CVE-2022-50414.