CVE-2025-21645

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

0.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 16.0% 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 2026-07-14.

Red Hat severity

Low. 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

2025-01-19 10:18Z1 YR AGO

Last updated

2026-07-14 12:39Z1 MO AGO

Reserved

2024-12-29

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.2

Document digest

ac958d2ef046e35b6e87aa0efec1489d15b7366a570faa2b5f37cef6c0073dae

• git.kernel.orghttps://git.kernel.org/stable/c/ab47d72b736e78d3c2370b26e0bfc46eb0918391
• git.kernel.orghttps://git.kernel.org/stable/c/5cc621085e2b7a9b1905a98f8e5a86bb4aea2016
• git.kernel.orghttps://git.kernel.org/stable/c/b25778c87a6bce40c31e92364f08aa6240309e25
• git.kernel.orghttps://git.kernel.org/stable/c/dd410d784402c5775f66faf8b624e85e41c38aaf
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/08/msg00010.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-019113.html