CVE-2025-21648

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

0.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 12.5% 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

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

2025-01-19 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-789Memory Allocation with Excessive Size ValueVariant

Data version

5.2

Document digest

d4ee5587c1510e81867a9bd970cfdd72993cbf91825a0ab80351de32c57154f9

• git.kernel.orghttps://git.kernel.org/stable/c/a965f7f0ea3ae61b9165bed619d5d6da02c75f80
• git.kernel.orghttps://git.kernel.org/stable/c/b1b2353d768f1b80cd7fe045a70adee576b9b338
• git.kernel.orghttps://git.kernel.org/stable/c/5552b4fd44be3393b930434a7845d8d95a2a3c33
• git.kernel.orghttps://git.kernel.org/stable/c/d5807dd1328bbc86e059c5de80d1bbee9d58ca3d
• git.kernel.orghttps://git.kernel.org/stable/c/f559357d035877b9d0dcd273e0ff83e18e1d46aa
• git.kernel.orghttps://git.kernel.org/stable/c/b541ba7d1f5a5b7b3e2e22dc9e40e18a7d6dbc13
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-265688.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-019113.html