CVE-2025-37883 s390/sclp: Add check for get_zeroed_page()
A missing check for get_zeroed_page() in the s390/sclp driver can cause a null pointer dereference, leading to a denial of service.
- 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-2025-37883?
CVE-2025-37883 is a medium-severity vulnerability in Debian Debian Linux, published on 9 May 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:
s390/sclp: Add check for get_zeroed_page()
Add check for the return value of get_zeroed_page() in sclp_console_init() to prevent null pointer dereference. Furthermore, to solve the memory leak caused by the loop allocation, add a free helper to do the free job.
Weakness: CWE-476
Which versions are affected by CVE-2025-37883?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2025-37883?
Apply the vendor's patch.
Is CVE-2025-37883 being exploited?
There is no known exploitation of CVE-2025-37883 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BELL-CVE-2025-37883, DEBIAN-CVE-2025-37883, GHSA-2c7r-jxv5-347c, ROOT-OS-DEBIAN-11-CVE-2025-37883, ROOT-OS-DEBIAN-12-CVE-2025-37883, ROOT-OS-UBUNTU-2204-CVE-2025-37883 and 2 more.