CVE-2025-39942

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.28% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 20.4% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-07-30.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2025-10-04 07:31Z11 MO AGO

Last updated

2026-08-05 12:06Z1 MO AGO

Reserved

2025-04-16

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

• CWE-1284Improper Validation of Specified Quantity in InputBase

Data version

5.2

Document digest

e29c7e8135e6acfe4080b924506cad660ba1d87d1e055510efb29e86ecaf479b

• git.kernel.orghttps://git.kernel.org/stable/c/196a3a7676d726ee67621ea2bf3b7815ac2685b4
• git.kernel.orghttps://git.kernel.org/stable/c/d3cb3f209d35c44b7ee74f77ed27ebb28995b9ce
• git.kernel.orghttps://git.kernel.org/stable/c/9644798294c7287e65a7b26e35aa6d2ce3345bcc
• git.kernel.orghttps://git.kernel.org/stable/c/c64b915bb3d9339adcae5db4be2c35ffbef5e615
• git.kernel.orghttps://git.kernel.org/stable/c/e1868ba37fd27c6a68e31565402b154beaa65df0