CVE-2022-50677 ipmi: fix use after free in _ipmi_destroy_user()
A use-after-free flaw in the Linux kernel IPMI driver allows attackers to potentially execute code or escalate privileges.
- 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-2022-50677?
CVE-2022-50677 is a high-severity use after free vulnerability in Linux, published on 9 Dec 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:
ipmi: fix use after free in _ipmi_destroy_user()
The intf_free() function frees the "intf" pointer so we cannot dereference it again on the next line.
Which versions are affected by CVE-2022-50677?
How do I fix CVE-2022-50677?
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-2022-50677 being exploited?
There is no known exploitation of CVE-2022-50677 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2022-50677, GHSA-chf6-hvqj-hp2j, UBUNTU-CVE-2022-50677.