01 Record

CVE-2025-21806

net: let net.core.dev_weight always be non-zero

UnratedPUBLISHEDCNA: Linux

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

net: let net.core.dev_weight always be non-zero

03 Exploitation and scoring

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: 0.21% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 11.7% 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 2026-06-17.
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.

04 Metadata

Published

2025-02-27 20:00Z1 YR AGO

Last updated

2026-05-12 12:03Z3 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

97c2c2b149b1913250e11f877ebaf401973512edd189da017de3d8ca4342ee75

05 Affected products

VendorProductVersionsPlatforms

LinuxLinuxe3876605450979fe52a1a03e7eb78a89bf59e76a to < d0e0f9c8218826926d7692980c98236d9f21fd3c, e3876605450979fe52a1a03e7eb78a89bf59e76a to < c337c08819a4ec49edfdcd8fc46fbee120d8a5b2, e3876605450979fe52a1a03e7eb78a89bf59e76a to < 0e2f1d93d287d544d26f8ff293ea820a8079b9f8, e3876605450979fe52a1a03e7eb78a89bf59e76a to < 5860abbf15eeb61838b5e32e721ba67b0aa84450, e3876605450979fe52a1a03e7eb78a89bf59e76a to < 6ce38b5a6a49e65bad163162a54cb3f104c40b48, e3876605450979fe52a1a03e7eb78a89bf59e76a to < 33e2168788f8fb5cb8bd4f36cb1ef37d1d34dada, e3876605450979fe52a1a03e7eb78a89bf59e76a to < 1489824e5226a26841c70639ebd2d1aed390764b, e3876605450979fe52a1a03e7eb78a89bf59e76a to < d1f9f79fa2af8e3b45cffdeef66e05833480148a, 2.6.12—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/d0e0f9c8218826926d7692980c98236d9f21fd3c
git.kernel.orghttps://git.kernel.org/stable/c/c337c08819a4ec49edfdcd8fc46fbee120d8a5b2
git.kernel.orghttps://git.kernel.org/stable/c/0e2f1d93d287d544d26f8ff293ea820a8079b9f8
git.kernel.orghttps://git.kernel.org/stable/c/5860abbf15eeb61838b5e32e721ba67b0aa84450
git.kernel.orghttps://git.kernel.org/stable/c/6ce38b5a6a49e65bad163162a54cb3f104c40b48
git.kernel.orghttps://git.kernel.org/stable/c/33e2168788f8fb5cb8bd4f36cb1ef37d1d34dada
git.kernel.orghttps://git.kernel.org/stable/c/1489824e5226a26841c70639ebd2d1aed390764b
git.kernel.orghttps://git.kernel.org/stable/c/d1f9f79fa2af8e3b45cffdeef66e05833480148a
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
cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-503939.html

01 Record index

CVE-2025-21806

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2025-21806

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References