GSD-2023-1000189 hwmon: (ibmpex) Fix possible UAF when ibmpex_register_bmc() fails
A use-after-free vulnerability in the ibmpex hardware monitoring driver allows local attackers with high privileges to potentially execute code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1000189?
GSD-2023-1000189 is an use after free vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
hwmon: (ibmpex) Fix possible UAF when ibmpex_register_bmc() fails
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 v5.15.82 by commit 45f6e81863747c0d7bc6a95ec51129900e71467a, it was introduced in version v2.6.24 by commit 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab. For more details please see the references link.
Which versions are affected by GSD-2023-1000189?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000189?
No fix has been published for GSD-2023-1000189 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-2023-1000189 being exploited?
There is no known exploitation of GSD-2023-1000189 in the wild and no public exploit code.