CVE-2025-21780

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 17.5% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-07-14.

Red Hat severity

Important. 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

2025-02-27 02:18Z1 YR AGO

Last updated

2026-08-05 11:54Z1 MO AGO

Reserved

2024-12-29

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.2

Document digest

e2587fdd9047b67986c09f1667b1d5e75136c0b5c97783cbf29bddcef9baab77

• git.kernel.orghttps://git.kernel.org/stable/c/3484ea33157bc7334f57e64826ec5a4bf992151a
• git.kernel.orghttps://git.kernel.org/stable/c/e43a8b9c4d700ffec819c5043a48769b3e7d9cab
• git.kernel.orghttps://git.kernel.org/stable/c/2498d2db1d35e88a2060ea191ae75dce853dd084
• git.kernel.orghttps://git.kernel.org/stable/c/231075c5a8ea54f34b7c4794687baa980814e6de
• git.kernel.orghttps://git.kernel.org/stable/c/1abb2648698bf10783d2236a6b4a7ca5e8021699
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-019113.html