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.
Conclusion & alert: CVE-2025-39803 is rated Low Risk (32.3/100): CVSS High severity, with low exploitation likelihood (EPSS 0.02%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-09-16 | — | 0.02% | — |
Full EPSS history (1 record total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2025-39803 unimportant priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2025-39803 |
redhat
|
— | — | https://access.redhat.com/security/cve/CVE-2025-39803 |
suse
|
medium | CVE-2025-39803 severity moderate: SUSE including 26 source package names (cluster-md-kmp-default, dlm-kmp-default, …), 229 product×package rows across 48 product lines (SLES-LTSS-TERADATA 15 SP2, SUSE Linux Enterprise High Availability Extension 15 SP7, … (48 product lines)): Known Not Affected 229. | https://www.suse.com/security/cve/CVE-2025-39803/ |
ubuntu
|
medium | CVE-2025-39803 medium priority: Ubuntu including 158 source packages (linux, linux-allwinner-5.19, …), 1414 status rows across 9 suites (bionic, focal, jammy, noble, plucky, questing, trusty, upstream, xenial): DNE 1017, ignored 175, not-affected 129, released 88, needed 3, needs-triage 2. | https://ubuntu.com/security/CVE-2025-39803 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| linux | linux_kernel | >= 6.13, < 6.16.4 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | 6.17 | cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:* |
| linux | linux_kernel | 6.17 | cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:* |