Vulnerability in Linux

CVE-2025-39803

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Remove WARN_ON_ONCE() call from ufshcd_uic_cmd_compl() The UIC completion interrupt may be disabled while an UIC command is being processed. When the UIC completion interrupt is reenabled, an UIC interrupt is triggered and the WARN_ON_ONCE(!cmd) statement is hit. Hence this patch that removes this kernel warning.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (3.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-39803: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

  • Linux — versions fcd8b0450a9acbf3f0e88d749a72ef932df97663, 6.13, 0
  • Linux Kernel — versions 6.17

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-39803?
CVE-2025-39803 is a high-severity vulnerability in Linux, classified under Reachable Assertion. CVSS score: 7.8/10. Published 2025-09-15.
How severe is CVE-2025-39803?
High severity. CVSS v3 base score is 7.8 out of 10.