CVE-2023-52788 i915/perf: Fix NULL deref bugs with drm_dbg() calls
A NULL pointer dereference in the Linux kernel i915 performance interface can cause a system crash when the interface is unavailable.
- 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-2023-52788?
CVE-2023-52788 is a medium-severity vulnerability in Linux kernel, published on 21 May 2024. 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:
i915/perf: Fix NULL deref bugs with drm_dbg() calls
When i915 perf interface is not available dereferencing it will lead to NULL dereferences.
As returning -ENOTSUPP is pretty clear return when perf interface is not available.
[tursulin: added stable tag] (cherry picked from commit 36f27350ff745bd228ab04d7845dfbffc177a889)
Weakness: CWE-476
Which versions are affected by CVE-2023-52788?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-52788?
Apply the vendor's patch.
Is CVE-2023-52788 being exploited?
There is no known exploitation of CVE-2023-52788 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2023-52788, DEBIAN-CVE-2023-52788, GHSA-7grp-x8pq-wh35, UBUNTU-CVE-2023-52788.