CVE-2025-38721

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

0.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 6.1% 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

2025-09-04 15:33Z1 YR AGO

Last updated

2026-07-14 12:42Z1 MO AGO

Reserved

2025-04-16

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-911Improper Update of Reference CountBase

Data version

5.2

Document digest

6ad545dc14cf581b63e0567d2ba35d72dad982dd657ef87351f1881243a83a98

• git.kernel.orghttps://git.kernel.org/stable/c/586892e341fbf698e7cbaca293e1353957db725a
• git.kernel.orghttps://git.kernel.org/stable/c/962518c6ca9f9a13df099cafa429f72f68ad61f0
• git.kernel.orghttps://git.kernel.org/stable/c/19b909a4b1452fb97e477d2f08b97f8d04095619
• git.kernel.orghttps://git.kernel.org/stable/c/41462f4cfc583513833f87f9ee55d12da651a7e3
• git.kernel.orghttps://git.kernel.org/stable/c/30cf811058552b8cd0e98dff677ef3f89d6d34ce
• git.kernel.orghttps://git.kernel.org/stable/c/a2cb4df7872de069f809de2f076ec8e54d649fe3
• git.kernel.orghttps://git.kernel.org/stable/c/e14f72aa66c029db106921d621edcedef68e065b
• git.kernel.orghttps://git.kernel.org/stable/c/a62d6aa3f31f216b637a4c71b7a8bfc7c57f049b
• git.kernel.orghttps://git.kernel.org/stable/c/de788b2e6227462b6dcd0e07474e72c089008f74
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-082556.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-032379.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-019113.html