CVE-2025-37826 scsi: ufs: core: Add NULL check in ufshcd_mcq_compl_pending_transfer()
A missing NULL check in the Linux kernel UFS driver can cause a system crash, requiring a kernel patch to prevent 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-2025-37826?
CVE-2025-37826 is a medium-severity vulnerability in Linux kernel, published on 8 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:
scsi: ufs: core: Add NULL check in ufshcd_mcq_compl_pending_transfer()
Add a NULL check for the returned hwq pointer by ufshcd_mcq_req_to_hwq().
This is similar to the fix in commit 74736103fb41 ("scsi: ufs: core: Fix ufshcd_abort_one racing issue").
Weakness: CWE-476
Which versions are affected by CVE-2025-37826?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-37826?
Apply the vendor's patch.
Is CVE-2025-37826 being exploited?
There is no known exploitation of CVE-2025-37826 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-62624, BELL-CVE-2025-37826, DEBIAN-CVE-2025-37826, GHSA-cr4p-cqhr-xjwp, ROOT-OS-UBUNTU-2404-CVE-2025-37826, UBUNTU-CVE-2025-37826.