What’s Vulnerable › Vulnerabilities

CVE-2025-37826: scsi: ufs: core: Add NULL check in ufshcd_mcq_compl_pending_transfer()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-05-08 · updated 2026-06-17
• Weakness: CWE-476

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").

Affected products

• Linux kernel: from 6.5 before 6.12.26; from 6.13 before 6.14.5; 6.15-rc1, 6.15-rc2, 6.15-rc3 — fixed in 6.12.26, 6.14.5

How to fix

Upgrade to a fixed version: Linux kernel 6.12.26, 6.14.5. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/08a966a917fe3d92150fa3cc15793ad5e57051eb
• https://git.kernel.org/stable/c/700128d67d57bb1de4251e563ab85202def36c50
• https://git.kernel.org/stable/c/eeab6618037be84e438e9d6ed5d9a53502faf81f

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