CVE-2025-21726

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

0.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 13.7% 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 2026-06-17.

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

2025-02-27 02:07Z1 YR AGO

Last updated

2026-08-05 11:53Z1 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-416Use After FreeVariant

Data version

5.2

Document digest

ab1c8183ee416462533c84bde603ee01adea25d0f97079ec522879157d444459

• git.kernel.orghttps://git.kernel.org/stable/c/f4f1b1169fc3694f9bc3e28c6c68dbbf4cc744c0
• git.kernel.orghttps://git.kernel.org/stable/c/4c6209efea2208597dbd3e52dc87a0d1a8f2dbe1
• git.kernel.orghttps://git.kernel.org/stable/c/7000507bb0d2ceb545c0a690e0c707c897d102c2
• git.kernel.orghttps://git.kernel.org/stable/c/6f45ef616775b0ce7889b0f6077fc8d681ab30bc
• git.kernel.orghttps://git.kernel.org/stable/c/8ca38d0ca8c3d30dd18d311f1a7ec5cb56972cac
• git.kernel.orghttps://git.kernel.org/stable/c/a54091c24220a4cd847d5b4f36d678edacddbaf0
• git.kernel.orghttps://git.kernel.org/stable/c/dd7d37ccf6b11f3d95e797ebe4e9e886d0332600
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-265688.html