CVE-2023-53211 driver core: location: Free struct acpi_pld_info *pld before return false
A memory leak in the Linux kernel driver core allows attackers to cause a denial of service by exhausting system memory.
- 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-2023-53211?
CVE-2023-53211 is a medium-severity denial of service vulnerability in Linux kernel, published on 15 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:
driver core: location: Free struct acpi_pld_info *pld before return false
struct acpi_pld_info *pld should be freed before the return of allocation failure, to prevent memory leak, add the ACPI_FREE() to fix it.
Weakness: CWE-401
Which versions are affected by CVE-2023-53211?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-53211?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-53211 being exploited?
There is no known exploitation of CVE-2023-53211 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2023-53211, DEBIAN-CVE-2023-53211, GHSA-h5wq-3gv4-fhv7, UBUNTU-CVE-2023-53211.